CPUs

Intel Xeon 656 vs Intel Xeon w5-2565X Full Specs

20 Cores
40 Threads
2.9GHz
18 Cores
36 Threads
3.2GHz
TDP
210W
TDP
240W
Bandwidth
409.6GB/s
DDR5
Bandwidth
153.6GB/s
DDR5
iGPU
0
iGPU
0
Socket
Socket

Xeon 656Xeon 656-
-
Xeon w5-2565XXeon w5-2565X1,925
x1

20 Cores
18 Cores
40 Threads
36 Threads

Base Clock
2.9GHz
Base Clock
3.2GHz
Boost Clock
4.8GHz
Boost Clock
4.8GHz
Overclocking
Locked
Overclocking
Locked

L1i
64KB
L1i
32KB
L1d
48KB
L1d
48KB
L2
2MB
L2
2MB
L3
72MB
L3
37.5MB

Type
DDR5
Type
DDR5
Max Memory
4.1TB
Max Memory
2.05TB
ECC
Yes
ECC
Yes
Channels
8
Channels
4
Bus Width
512-bit
Bus Width
256-bit
Speed
6400MT/s
Speed
4800MT/s
Bandwidth
409.6GB/s
Bandwidth
153.6GB/s
Bandwidth Calculator
Channels
Transfer Rate
Calculated Bandwidth
409.6GB/s
Bandwidth Calculator
Channels
Transfer Rate
Calculated Bandwidth
153.6GB/s

TDP
210W
TDP
240W
Peak Power
252W
Peak Power
288W
Max Operating Temp
98°C Max
Max Operating Temp
100°C Max
T-Case
74°C Max
T-Case
79°C Max
Included Cooler
-
Included Cooler
0

Bus Type
-
Bus Type
DMI
Bus Config
-
Bus Config
8 lanes
Bus Speed
-
Bus Speed
8GT/s
Bus Bandwidth
-
Bus Bandwidth
8GB/s

PCIe
PCIe 5.0 x128
504.1GB/sBandwidth
PCIe
PCIe 5.0 x64
252GB/sBandwidth

NPU Model
-
NPU Model
DL Boost

Manufacturer
Manufacturer
ISA
x86-64
ISA
x86-64
Architecture
Architecture
Family
Family
Branding
Xeon 2024 branding
Branding
Xeon w5 2023 branding
Codename
Granite Rapids-D
27Die
Granite Rapids-HCCVariant
Redwood CoveP-Core
20M-Core
Codename
Sapphire Rapids-WS
-
Sapphire Rapids-MCCVariant
Golden CoveP-Core
-
Market Segment
Workstation
Market Segment
Workstation
Release Date
Feb 2, 2026
Release Date
Jul 1, 2024

Foundry
Intel
Foundry
Intel
Other Foundries
IntelIO
Other Foundries
-
Fabrication Node
Intel 3
Intel 7IO
Fabrication Node
Intel 7
-
Die Size
598mm²
482mm²IO
Die Size
770mm²
-
Transistor Count
-
Transistor Count
53.9 Billion
Transistor Density
-
Transistor Density
70 MTr/mm²

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