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 #1,444
Rank #733
Xeon E5-2666 v3 wins by 15.4% (Rank #1444 vs #733)
Out of 2,060 results in the database
Rank #1,410
Rank #747
Xeon E5-2666 v3 wins by 17% (Rank #1410 vs #747)
Out of 2,060 results in the database
Rank #1,583
Rank #641
Xeon E5-2666 v3 wins by 13% (Rank #1583 vs #641)
Out of 1,771 results in the database
Rank #402
Number Crunching not available for both processors.
Out of 1,771 results in the database
Rank #397
Data Processing not available for both processors.
Out of 1,771 results in the database
Rank #399
Physics & Compute not available for both processors.
Side-by-side comparison of key specifications
| Specification | Core 2 Duo E8600 | Xeon E5-2666 v3 | Diff |
|---|---|---|---|
| Cores |
2
|
10
|
-80% |
| Threads |
2
|
20
|
-90% |
| Base Frequency |
3,330 MHz
|
2,900 MHz
|
+12.9% |
| Clock Multiplier |
10x
|
29x
|
-65.5% |
| L1 Cache |
62 KB
|
62 KB
|
0% |
| L2 Cache |
6 MiB
|
0 MiB
|
+95.7% |
| L3 Cache | -- |
24 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
|
135 W
|
51.9% less |
| Process (lower is better) |
45 nm
|
22 nm
|
51.1% more |
| Specification | Core 2 Duo E8600 | Xeon E5-2666 v3 |
|---|---|---|
| Designer | Intel | Intel |
| Model Number | E8600 | -- |
| Core Name | Wolfdale | Haswell-EP |
| Socket | LGA775 | Socket 2011-3 |
| Package | FC-LGA6 | FC-LGA12A |
| Memory Type | DDR3 1066 | DDR3, DDR42133 MHz Quad-channel |
| ECC Support | No | -- |
| PCIe Revision | 2.0 | -- |
| PCIe Configuration | x1 (6), x2 (4), x4 (3) | -- |
| Market Segment | Desktop | Server/Workstation |
| 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 | Core 2 Duo E8600 | Xeon E5-2666 v3 |
|---|---|---|
| Process | 45 nm | 22 nm |
| Die Area | 107 mm² | 356 mm² |
| Transistor Count | 0.00 billion | 2,600 |
| Manufacturer | Intel | Intel |
| Word Size | 64-bit | -- |
Process
Die Area
Transistor Count
Manufacturer
Word Size
Integrated GPU specifications comparison
| Specification | Core 2 Duo E8600 | Xeon E5-2666 v3 |
|---|---|---|
| GPU | HD Graphics | -- |
| GPU Designer | Intel | -- |
| GPU Max Frequency | 1000 MHz | -- |
GPU
GPU Designer
GPU Max Frequency
Supported instruction set extensions comparison
| Extension | Core 2 Duo E8600 | Xeon E5-2666 v3 |
|---|---|---|
| AES | ||
| AVX | ||
| AVX2 | ||
| BMI1 | ||
| BMI2 | ||
| CLMUL | ||
| EIST | ||
| EPT | ||
| F16C | ||
| FMA | ||
| FMA3 | ||
| Flex Memory | ||
| HT | ||
| IPT | ||
| MMX | ||
| SIPP | ||
| SMEP | ||
| SSE | ||
| SSE2 | ||
| SSE3 | ||
| SSE4.1 | ||
| SSE4.2 | ||
| SSSE3 | ||
| Secure Key | ||
| TSX | ||
| TXT | ||
| VT-d | ||
| VT-x | ||
| vPro | ||
| x86-64 |
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