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Head-to-head · every figure from the vendor documents

Dell R470 vs Lenovo SR635 V3

A specification-by-specification comparison of the Dell PowerEdge R470 and the Lenovo ThinkSystem SR635 V3, built from Dell’s and Lenovo’s own documents. 1 headline measure favours the R470, 4 favour the SR635 V3, and they share no processors.

Bottom line. R470 leads on virtualisation, databases and in-memory work. SR635 V3 leads on AI and acceleration, network throughput. Neither vendor publishes benchmarks for these machines, so every call here is made on what their documents state.

Dell PowerEdge R470 1U front, 8 × 2.5-inch build: two groups of four drive bays around a blank centre, with control panels at both ends
Dell PowerEdge
R470
1U Rack1 socket16 DIMMiDRAC10
Configure the R470 →Full data sheet
VS
Lenovo ThinkSystem SR635 V3 1U front with ten 2.5-inch hot-swap drive bays, front USB and VGA ports and the operator panel
Lenovo ThinkSystem
SR635 V3
1U Rack1 socket12 DIMMXClarity Controller 2
Configure the SR635 V3 →Full data sheet
01 — Scoreboard

The measures that decide it

Each row is a figure both vendors publish. Bars show the split between the two; a badge marks the larger figure, which is not always the better buy — a shallower chassis or a lower power ceiling can matter more.

1
Processor sockets
1
144
Cores, fully populated
Largest listed processor × its socket count
Higher160
4 TBHigher
Memory ceiling
As each document states it
3 TB
16
Drive bays
16
Up to 4
Accelerators
HigherUp to 5
1,500 W
Largest power supply
Higher1,800 W
1U Rack
Rack height
1U Rack
200 GbE class
Fastest network option
Higher400 GbE class
02 — Verdict

Which one, and why

Drawn from the measures above and each model’s own data sheet. Neither vendor publishes benchmark results for these servers, so nothing here claims one is “faster”.

Choose the R470 if…

  • Memory ceiling: 4 TB against 3 TB on the SR635 V3
  • Up to 144 E-cores or 86 P-cores from one socket in 1U, and every processor on Dell’s list is rated for 35°C ambient in each storage layout of its thermal tables.

Choose the SR635 V3 if…

  • Cores, fully populated: 160 against 144 on the R470
  • Accelerators: Up to 5 against Up to 4 on the R470
  • Largest power supply: 1,800 W against 1,500 W on the R470
  • All twelve DDR5 channels belong to the one processor, so a single socket still reaches 3 TB with 256 GB 3DS RDIMMs, and 5th Gen EPYC can clock that memory at up to 6400 MHz.
03 — By workload

Where each one pulls ahead

Calls made on documented capacity only — cores, memory, bays, accelerators and network options — with the figures behind each one shown.

VirtualisationR470: 144 cores with 4 TB. SR635 V3: 160 cores with 3 TB.R470
Databases & in-memoryMemory ceiling 4 TB against 3 TB, across 16 and 12 DIMM slots.R470
Storage density16 bays in 1U against 16 in 1U.Line ball
AI & acceleration4 accelerators against 5 in the vendor documents.SR635 V3
Network throughputFastest card listed: 200 GbE class against 400 GbE class.SR635 V3
04 — Specifications

Side by side, differences first

Everything both documents state, grouped. The default view hides rows where the two machines are identical.

Processors

Every processor each vendor lists for the model, from its own document.

SpecificationR470SR635 V3
Processors listed2345
Most cores per processor144160
Highest processor TDP350 W400 W
Processor familiesXeon 6 E-core · Xeon 6 P-coreAMD EPYC 9005 · AMD EPYC 9004

Memory

SpecificationR470SR635 V3
DIMM slots1612
Slots per processor1612
Memory typesRDIMM DDR5-6400RDIMM DDR5-6400 (5th Gen EPYC) · RDIMM DDR5-4800 (4th Gen EPYC) · 9x4 RDIMM · 3DS RDIMM DDR5-6400

Storage

Bay counts are the maximum each document states, including rear and mid-chassis positions.

SpecificationR470SR635 V3
Documented layouts614
Bay sizes2.5-inch · 3.5-inch · E3.S2.5-inch · E3.S
Boot devicesBOSS-N1 DC-MHS (HW RAID 1, 2 x M.2 NVMe SSDs 480 GB / 960 GB) · M.2 interposer with up to 2 x M.2 NVMe SSDs · Internal USBM.2 SATA/NVMe 2-Bay Enablement Kit (4Y37A09738) · M.2 SATA/x4 NVMe 2-Bay Adapter (4Y37A79663) · M.2 NVMe 2-Bay RAID Adapter (4Y37A09750) + 1 more
Storage controllers617

Accelerators & I/O

SpecificationR470SR635 V3
Accelerators supportedUp to 4Up to 5
OCP slots21
PCIe network slots45
Network cards listed1630

Power & platform

SpecificationR470SR635 V3
Power-supply options78
Output range800–1,500 W750–1,800 W
Input typesAC · 277 VAC / HVDCAC · −48 V DC
ManagementiDRAC10XClarity Controller 2
Chassis depthVendors measure depth differently — see each data sheet815.14 mm without bezel (rear I/O) / 829.44 mm without bezel (front I/O)—
05 — The data

Processors, memory, bays and power

The same charts each data sheet carries, drawn to the same scale so the two ranges can be read against each other.

R470: processors by cores and TDP

Dell PowerEdge R470 processors081624324048566472808896104112120128136144150 W200 W250 W300 W350 WCores per processorIntel Xeon 6 6780E — 144 cores / 144 threads · 330 W · 2.2 GHz base · 108 MB cache · DDR5-6400Intel Xeon 6 6766E — 144 cores / 144 threads · 250 W · 1.9 GHz base · 108 MB cache · DDR5-6400Intel Xeon 6 6756E — 128 cores / 128 threads · 225 W · 1.8 GHz base · 96 MB cache · DDR5-6400Intel Xeon 6 6746E — 112 cores / 112 threads · 250 W · 2 GHz base · 96 MB cache · DDR5-6400Intel Xeon 6 6740E — 96 cores / 96 threads · 250 W · 2.4 GHz base · 96 MB cache · DDR5-6400Intel Xeon 6 6731E — 96 cores / 96 threads · 250 W · 2.2 GHz base · 96 MB cache · DDR5-5600Intel Xeon 6 6710E — 64 cores / 64 threads · 205 W · 2.4 GHz base · 96 MB cache · DDR5-5600Intel Xeon 6 6787P — 86 cores / 172 threads · 350 W · 2 GHz base · 336 MB cache · DDR5-6400Intel Xeon 6 6781P (R1S) — 80 cores / 160 threads · 350 W · 2 GHz base · 336 MB cache · DDR5-6400Intel Xeon 6 6767P — 64 cores / 128 threads · 350 W · 2.4 GHz base · 336 MB cache · DDR5-6400Intel Xeon 6 6761P (R1S) — 64 cores / 128 threads · 350 W · 2.5 GHz base · 336 MB cache · DDR5-6400Intel Xeon 6 6747P — 48 cores / 96 threads · 330 W · 2.7 GHz base · 288 MB cache · DDR5-6400Intel Xeon 6 6741P (R1S) — 48 cores / 96 threads · 300 W · 2.5 GHz base · 288 MB cache · DDR5-6400Intel Xeon 6 6737P — 32 cores / 64 threads · 270 W · 2.9 GHz base · 144 MB cache · DDR5-6400Intel Xeon 6 6730P — 32 cores / 64 threads · 250 W · 2.5 GHz base · 288 MB cache · DDR5-6400Intel Xeon 6 6731P (R1S) — 32 cores / 64 threads · 245 W · 2.5 GHz base · 144 MB cache · DDR5-6400Intel Xeon 6 6527P — 24 cores / 48 threads · 255 W · 3 GHz base · 144 MB cache · DDR5-6400Intel Xeon 6 6521P (R1S) — 24 cores / 48 threads · 225 W · 2.6 GHz base · 144 MB cache · DDR5-6400Intel Xeon 6 6724P — 16 cores / 32 threads · 210 W · 3.6 GHz base · 72 MB cache · DDR5-6400Intel Xeon 6 6517P — 16 cores / 32 threads · 190 W · 3.2 GHz base · 72 MB cache · DDR5-6400Intel Xeon 6 6511P (R1S) — 16 cores / 32 threads · 150 W · 2.5 GHz base · 72 MB cache · DDR5-6400Intel Xeon 6 6505P — 12 cores / 24 threads · 150 W · 2.2 GHz base · 48 MB cache · DDR5-6400Intel Xeon 6 6507P — 8 cores / 16 threads · 150 W · 3.5 GHz base · 48 MB cache · DDR5-64006 6780E144 cores — the top SKU6 6766E1.7 W/core — most efficient
Xeon 6 E-core 7Xeon 6 P-core 16Bubble size = L3 cache · hover a bubble for the full SKU

SR635 V3: processors by cores and TDP

Lenovo ThinkSystem SR635 V3 processors081624324048566472808896104112120128136144152160100 W150 W200 W250 W300 W350 W400 WCores per processorAMD EPYC 9845 — 160 cores / 320 threads · 390 W · 2.1 GHz base · 320 MB cache · DDR5-6400AMD EPYC 9825 — 144 cores / 288 threads · 390 W · 2.2 GHz base · 384 MB cache · DDR5-6400AMD EPYC 9745 — 128 cores / 256 threads · 400 W · 2.4 GHz base · 256 MB cache · DDR5-6400AMD EPYC 9655 — 96 cores / 192 threads · 400 W · 2.6 GHz base · 384 MB cache · DDR5-6400AMD EPYC 9655P — 96 cores / 192 threads · 400 W · 2.6 GHz base · 384 MB cache · DDR5-6400AMD EPYC 9645 — 96 cores / 192 threads · 320 W · 2.3 GHz base · 256 MB cache · DDR5-6400AMD EPYC 9565 — 72 cores / 144 threads · 400 W · 3.15 GHz base · 384 MB cache · DDR5-6400AMD EPYC 9575F — 64 cores / 128 threads · 400 W · 3.3 GHz base · 256 MB cache · DDR5-6400AMD EPYC 9555 — 64 cores / 128 threads · 360 W · 3.2 GHz base · 256 MB cache · DDR5-6400AMD EPYC 9555P — 64 cores / 128 threads · 360 W · 3.2 GHz base · 256 MB cache · DDR5-6400AMD EPYC 9535 — 64 cores / 128 threads · 300 W · 2.4 GHz base · 256 MB cache · DDR5-6400AMD EPYC 9475F — 48 cores / 96 threads · 400 W · 3.65 GHz base · 256 MB cache · DDR5-6400AMD EPYC 9455 — 48 cores / 96 threads · 300 W · 3.15 GHz base · 256 MB cache · DDR5-6400AMD EPYC 9455P — 48 cores / 96 threads · 300 W · 3.15 GHz base · 256 MB cache · DDR5-6400AMD EPYC 9365 — 36 cores / 72 threads · 300 W · 3.4 GHz base · 192 MB cache · DDR5-6400AMD EPYC 9375F — 32 cores / 64 threads · 320 W · 3.8 GHz base · 256 MB cache · DDR5-6400AMD EPYC 9355 — 32 cores / 64 threads · 280 W · 3.55 GHz base · 256 MB cache · DDR5-6400AMD EPYC 9355P — 32 cores / 64 threads · 280 W · 3.55 GHz base · 256 MB cache · DDR5-6400AMD EPYC 9335 — 32 cores / 64 threads · 210 W · 3 GHz base · 128 MB cache · DDR5-6400AMD EPYC 9275F — 24 cores / 48 threads · 320 W · 4.1 GHz base · 256 MB cache · DDR5-6400AMD EPYC 9255 — 24 cores / 48 threads · 200 W · 3.25 GHz base · 128 MB cache · DDR5-6400AMD EPYC 9175F — 16 cores / 32 threads · 320 W · 4.2 GHz base · 512 MB cache · DDR5-6400AMD EPYC 9135 — 16 cores / 32 threads · 200 W · 3.65 GHz base · 64 MB cache · DDR5-6400AMD EPYC 9115 — 16 cores / 32 threads · 125 W · 2.6 GHz base · 64 MB cache · DDR5-6400AMD EPYC 9015 — 8 cores / 16 threads · 125 W · 3.6 GHz base · 64 MB cache · DDR5-6400AMD EPYC 9754 — 128 cores / 256 threads · 360 W · 2.25 GHz base · 256 MB cache · DDR5-4800AMD EPYC 9734 — 112 cores / 224 threads · 340 W · 2.2 GHz base · 256 MB cache · DDR5-4800AMD EPYC 9654 — 96 cores / 192 threads · 360 W · 2.4 GHz base · 384 MB cache · DDR5-4800AMD EPYC 9654P — 96 cores / 192 threads · 360 W · 2.4 GHz base · 384 MB cache · DDR5-4800AMD EPYC 9634 — 84 cores / 168 threads · 290 W · 2.25 GHz base · 384 MB cache · DDR5-4800AMD EPYC 9554 — 64 cores / 128 threads · 360 W · 3.1 GHz base · 256 MB cache · DDR5-4800AMD EPYC 9554P — 64 cores / 128 threads · 360 W · 3.1 GHz base · 256 MB cache · DDR5-4800AMD EPYC 9534 — 64 cores / 128 threads · 280 W · 2.45 GHz base · 256 MB cache · DDR5-4800AMD EPYC 9474F — 48 cores / 96 threads · 360 W · 3.6 GHz base · 256 MB cache · DDR5-4800AMD EPYC 9454 — 48 cores / 96 threads · 290 W · 2.75 GHz base · 256 MB cache · DDR5-4800AMD EPYC 9454P — 48 cores / 96 threads · 290 W · 2.75 GHz base · 256 MB cache · DDR5-4800AMD EPYC 9374F — 32 cores / 64 threads · 320 W · 3.85 GHz base · 256 MB cache · DDR5-4800AMD EPYC 9354 — 32 cores / 64 threads · 280 W · 3.25 GHz base · 256 MB cache · DDR5-4800AMD EPYC 9354P — 32 cores / 64 threads · 280 W · 3.25 GHz base · 256 MB cache · DDR5-4800AMD EPYC 9334 — 32 cores / 64 threads · 210 W · 2.7 GHz base · 128 MB cache · DDR5-4800AMD EPYC 9274F — 24 cores / 48 threads · 320 W · 4.05 GHz base · 256 MB cache · DDR5-4800AMD EPYC 9224 — 24 cores / 48 threads · 200 W · 2.5 GHz base · 64 MB cache · DDR5-4800AMD EPYC 9254 — 24 cores / 48 threads · 200 W · 2.9 GHz base · 128 MB cache · DDR5-4800AMD EPYC 9174F — 16 cores / 32 threads · 320 W · 4.1 GHz base · 256 MB cache · DDR5-4800AMD EPYC 9124 — 16 cores / 32 threads · 200 W · 3 GHz base · 64 MB cache · DDR5-4800EPYC 9845160 cores · 2.4 W/core — top SKU and most efficient
AMD EPYC 9005 25AMD EPYC 9004 20Bubble size = L3 cache · hover a bubble for the full SKU

R470: memory with every slot filled

16 GB256 GB32 GB512 GB64 GB1 TB96 GB1.5 TB128 GB2 TB256 GB4 TB16 slots · 16 per processor · each tick = one DIMM

SR635 V3: memory with every slot filled

16 GB192 GB32 GB384 GB64 GB768 GB96 GB1.1 TB128 GB1.5 TB256 GB3 TB12 slots · 12 per processor · each tick = one DIMM

R470: drive bays

Front panel

16 × EDSFF NVMe at the front — 16 bays in total.

SAS/SATANVMeSAS/SATA + NVMe

SR635 V3: drive bays

Front panel

16 × EDSFF NVMe at the front — 16 bays in total.

SAS/SATANVMeSAS/SATA + NVMe

R470: power supplies

050010001500800 W Platinum — mixed mode 100-240 VAC or 240 HVDC; M-CRPS 60 mm800Platinum800 W Titanium — mixed mode 100-240 VAC or 240 HVDC800Titanium1100 W Platinum — mixed mode 100-240 VAC or 240 HVDC (1050 W lowline)1100Platinum1100 W Titanium — mixed mode 100-240 VAC or 240 HVDC (1050 W lowline)1100Titanium1400 W Titanium — -48 to -60 VDC; LOTES APOWA048 cable1400Titanium1500 W Titanium — mixed mode 100-240 VAC or 240 HVDC (1050 W lowline)1500Titanium1500 W Titanium — 277 VAC or 336 VDC HVDC; APP2006G1/2006G3 power cable1500TitaniumWatts · dashed line = output at 100–120 V low line
AC277 VAC / HVDC

SR635 V3: power supplies

0500100015002000750 W Platinum — AC input power - 80 PLUS Platinum efficiency; input 230V/115V; max quantity 2750Platinum750 W Titanium — AC input power - 80 PLUS Titanium efficiency; input 230V; max quantity 2750Titanium750 W Titanium — AC input power - 80 PLUS Titanium efficiency; input 230V; max quantity 2750Titanium1100 W n/a (DC input) — -48V DC input power; input -48V DC; max quantity 21100DC1100 W Platinum — AC input power - 80 PLUS Platinum efficiency; input 230V/115V; max quantity 21100Platinum1100 W Titanium — AC input power - 80 PLUS Titanium efficiency; input 230V; max quantity 21100Titanium1800 W Platinum — AC input power - 80 PLUS Platinum efficiency; input 230V; max quantity 21800Platinum1800 W Titanium — AC input power - 80 PLUS Titanium efficiency; input 230V; max quantity 21800TitaniumWatts · dashed line = output at 100–120 V low line
AC−48 V DC
07 — Questions

R470 vs SR635 V3, answered

Is the R470 or the SR635 V3 the faster server?

Neither document publishes benchmark results, so this page compares what they do state. The R470 lists 23 processors up to 144 cores at 350 W; the SR635 V3 lists 45 up to 160 cores at 400 W. Fully populated that is 144 cores against 160.

Which holds more memory?

The R470 has 16 DIMM slots and a stated ceiling of 4 TB. The SR635 V3 has 12 and 3 TB.

Which takes more drives?

R470: 16 bays across 6 documented layouts. SR635 V3: 16 across 14. Counts include rear and mid-chassis positions where the vendor documents them.

Can either take GPUs?

R470: up to 4 accelerators, 0 double-wide cards listed. SR635 V3: up to 5, 0 double-wide listed.

Do they share any processors?

No. The two documents list different processors, so a like-for-like processor build is not possible across these two.

Where these figures come from. R470: Dell PowerEdge R470 Technical Guide (December 2025) (Dell document). SR635 V3: Lenovo ThinkSystem SR635 V3 Server Product Guide (publication date is not printed in the text export; guide contains ‘New as of July 2026’ notes) (Lenovo document). Each claim on this page is derived from those documents, checked page by page on the two data sheets, and carries no pricing.

Other comparisons in this class

R470 vs DL320 Gen12Dell vs HPER470 vs DL325 Gen11Dell vs HPER6615 vs SR635 V3Dell vs LenovoR6715 vs SR635 V3Dell vs LenovoR470 vs DL320 Gen11Dell vs HPEDL320 Gen11 vs SR635 V3HPE vs LenovoDL320 Gen12 vs SR635 V3HPE vs LenovoDL325 Gen11 vs SR635 V3HPE vs Lenovo

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