Intel Core Ultra 7 265K vs Intel 2x Xeon E5645
Intel Core Ultra 7 265K
$404
Intel 2x Xeon E5645
$551
|
20 Cores
20 Threads
3.9GHz Clock
|
12 Cores
24 Threads
2.4GHz Clock
|
|
Socket
LGA 1851
|
Socket
LGA 1366
|
|
iGPU
Graphics 4C 2000MHz
2.05 TFLOPS FP32
|
iGPU
No GPU
- -
|
GB6 Single-Core
|
|
Core Ultra 7 265K - GB6S 3,275
x8.97
2x Xeon E5645 - GB6S 365
x1
GB6 Multi-Core
|
|
Core Ultra 7 265K - GB6M 22,030
x6.21
2x Xeon E5645 - GB6M 3,545
x1
|
|
Core Ultra 7 265K - 102.4GB/s
x3.2
2x Xeon E5645 - 32.0GB/s
x1
|
|
Core Ultra 7 265K - 125W
x1.56
2x Xeon E5645 - 80W
x1
|
GB6S 3,275
81%
|
GB6S 365
9%
|
|
GB6M 22,030
83%
|
GB6M 3,545
13%
|
|
CB23S 2,250
87%
|
CB23S N/A
0%
|
|
CB23M 37,590
87%
|
CB23M N/A
0%
|
|
Manufacturer
Intel
|
Manufacturer
Intel
|
|
Architecture
Arrow Lake
|
Architecture
Westmere
|
|
Family
Core Ultra Series 2
|
Family
Xeon
|
|
Instruction Set (ISA)
x86-64
|
Instruction Set (ISA)
x86-64
|
|
Codename
-
Arrow Lake-S-8P-16E
P-Core
Lion Cove
E-Core
Skymont
|
Codename
Westmere-EP
-
-
-
-
-
|
|
Market Segment
Desktop
|
Market Segment
Server
|
|
Release Date
10/24/2024
|
Release Date
3/16/2010
|
|
Foundry
TSMC
TSMC (iGPU Die)
TSMC (SoC Die)
TSMC (IO Die)
|
Foundry
Intel
-
-
-
|
|
Node
N3B
N5 (iGPU Die)
N6 (SoC Die)
N6 (IO Die)
|
Node
32nm
-
-
-
|
|
Die Size
135 mm²
23 mm² (iGPU Die)
100 mm² (SoC Die)
28 mm² (IO Die)
|
Die Size
240 mm²
-
-
-
|
|
Transistor Count
Unknown
|
Transistor Count
1.2 Billion
|
|
20 Cores
8 P-Cores
12 E-Cores
|
12 Cores
-
-
|
|
20 Threads
8 P-Threads
12 E-Threads
|
24 Threads
-
-
|
|
P-Core
3.9GHz
5.5GHz Boost
-
|
-
2.4GHz
2.6GHz Boost
18x Multiplier
|
|
E-Core
3.3GHz
4.6GHz Boost
|
-
-
-
|
|
Overclocking
Unlocked
-
-
-
|
Overclocking
Locked
Voltage
0.75V Min
1.35V Max
|
|
Type
DMI
|
Type
QPI
|
|
-
-
|
Clock
2930MHz
|
|
-
-
|
Data Rate
Double
|
|
Transfer Rate
16GT/s
|
Transfer Rate
5.9GT/s
|
|
-
-
|
Width
16Bit
|
|
Lanes
8
|
-
-
|
|
Bandwidth
16GB/s
|
Bandwidth
11.72GB/s
|
|
Bi-directional
32GB/s
|
Bi-directional
23.44GB/s
|
|
L0 Instruction
|
L0 Instruction
|
|
L0 Data
|
L0 Data
|
|
L1 Instruction
64KB/P-Core
8-way set associative
64KB/E-Core
8-way set associative
|
L1 Instruction
32KB/Core
4-way set associative
-
-
|
|
L1 Data
48KB/P-Core
12-way set associative
32KB/E-Core
8-way set associative
|
L1 Data
32KB/Core
8-way set associative
-
-
|
|
L2
3072KB/Core
10-way set associative
12MB Shared (E-Core)
16-way set associative
|
L2
256KB/Core
8-way set associative
-
-
|
|
L3
30MB Shared
12-way set associative
|
L3
12MB Shared
16-way set associative
|
|
Channels
2
|
Channels
3
|
|
Max Memory
192GB
|
Max Memory
288GB
|
|
ECC
Supported
|
ECC
Supported
|
|
Bus Width/Channel
64Bit
Bus Width
128Bit
|
Bus Width/Channel
64Bit
Bus Width
192Bit
|
|
Clock
3200MHz
Transfer Rate
6400MT/s
|
Clock
667MHz
Transfer Rate
1333MT/s
|
|
Bandwidth/Channel
51.2GB/s
Bandwidth
102.4GB/s
|
Bandwidth/Channel
10.7GB/s
Bandwidth
32.0GB/s
|
|
TDP
125W
250W Peak
|
TDP
80W
-
|
|
Temp
105°C Max
-
|
Temp
-
76°C TCase
|
|
Included Cooler
|
Included Cooler
|
|
PCIe 5.0 x20 Lanes
PCIe 4.0 x4 Lanes
|
No PCIe
|
|
Graphics 4C 2000MHz
512 Shaders
2000MHz
2.05 TFLOPS FP32
|
No GPU
-
-
- -
|
|
AI Boost 3
|
No NPU
-
|
|
2 Cores
|
-
|
|
13 TOPS INT8
|
-
|
|
No Cellular
|
No Cellular
|
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