Combined benchmark scores for both processors
Head-to-head processor comparison
Combined benchmark scores for both processors
Out of 2,060 results in the database
Rank #1,295
Rank #1,353
Athlon II X2 265 wins by 1.2% (Rank #1295 vs #1353)
Out of 2,060 results in the database
Rank #1,261
Rank #1,442
Athlon II X2 265 wins by 4.1% (Rank #1261 vs #1442)
Out of 2,060 results in the database
Rank #1,404
Rank #1,142
Xeon E5640 wins by 3.1% (Rank #1404 vs #1142)
Out of 1,771 results in the database
Rank #1,576
Rank #966
Xeon E5640 wins by 2.3% (Rank #1576 vs #966)
Out of 1,771 results in the database
Rank #1,477
Rank #988
Xeon E5640 wins by 2.1% (Rank #1477 vs #988)
Out of 1,771 results in the database
Rank #1,577
Rank #1,010
Xeon E5640 wins by 2.4% (Rank #1577 vs #1010)
Side-by-side comparison of key specifications
| Specification | Athlon II X2 265 | Xeon E5640 | Diff |
|---|---|---|---|
| Cores |
2
|
4
|
-50% |
| Threads |
2
|
8
|
-75% |
| Base Frequency |
3,330 MHz
|
2,666 MHz
|
+19.9% |
| Clock Multiplier |
17x
|
20x
|
-17.5% |
| L1 Cache | -- |
62 KB
|
|
| L2 Cache | -- |
0 MiB
|
|
| L3 Cache | -- |
11 MiB
|
|
| Memory Channels |
2
|
-- | |
| Maximum Memory |
0 GB
|
-- | |
| Max Bandwidth |
17 GB/s
|
-- | |
| PCIe Lanes |
12
|
-- | |
| Max CPUs |
1
|
-- | |
| TDP (lower is better) |
65 W
|
80 W
|
18.8% less |
| Process (lower is better) |
45 nm
|
32 nm
|
28.9% more |
| Specification | Athlon II X2 265 | Xeon E5640 |
|---|---|---|
| Designer | AMD | Intel |
| Model Number | E8600 | -- |
| Core Name | Regor | Westmere-EP |
| Socket | LGA775 | Socket 1366 |
| Package | µPGA | FC-LGA10 |
| Memory Type | DDR3 1066 | DDR3 |
| ECC Support | No | -- |
| PCIe Revision | 2.0 | -- |
| PCIe Configuration | x1 (6), x2 (4), x4 (3) | -- |
| Market Segment | Desktop | Server |
| Locked Multiplier | Yes | Yes |
Designer
Model Number
Core Name
Socket
Package
Memory Type
ECC Support
PCIe Revision
PCIe Configuration
Market Segment
Locked Multiplier
Manufacturing process and die characteristics
| Specification | Athlon II X2 265 | Xeon E5640 |
|---|---|---|
| Process | 45 nm | 32 nm |
| Die Area | 117 mm² | 239 mm² |
| Transistor Count | 0.00 billion | 1,170 |
| Manufacturer | -- | Intel |
| Word Size | 64-bit | -- |
Process
Die Area
Transistor Count
Manufacturer
Word Size
Integrated GPU specifications comparison
| Specification | Athlon II X2 265 | Xeon E5640 |
|---|---|---|
| GPU | HD Graphics | -- |
| GPU Designer | Intel | -- |
| GPU Max Frequency | 1000 MHz | -- |
GPU
GPU Designer
GPU Max Frequency
Supported instruction set extensions comparison
| Extension | Athlon II X2 265 | Xeon E5640 |
|---|---|---|
| 3DNow! | ||
| AES | ||
| AMD-V | ||
| EIST | ||
| EPT | ||
| FMA | ||
| Flex Memory | ||
| HT | ||
| IPT | ||
| MMX | ||
| SIPP | ||
| SMEP | ||
| SSE | ||
| SSE2 | ||
| SSE3 | ||
| SSE4.1 | ||
| SSE4.2 | ||
| SSE4a | ||
| SSSE3 | ||
| Secure Key | ||
| TSX | ||
| TXT | ||
| VT-d | ||
| VT-x | ||
| vPro | ||
| x86-64 |
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