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 #1,263
Rank #1,407
Xeon E5-2620 v2 wins by 2.9% (Rank #1263 vs #1407)
Out of 2,060 results in the database
Rank #1,339
Rank #1,326
Pentium G645 wins by 0.2% (Rank #1339 vs #1326)
Out of 2,060 results in the database
Rank #1,043
Rank #1,764
Xeon E5-2620 v2 wins by 7.4% (Rank #1043 vs #1764)
Out of 1,771 results in the database
Rank #722
Rank #1,427
Xeon E5-2620 v2 wins by 3.6% (Rank #722 vs #1427)
Out of 1,771 results in the database
Rank #719
Rank #1,477
Xeon E5-2620 v2 wins by 4.4% (Rank #719 vs #1477)
Out of 1,771 results in the database
Rank #777
Rank #1,418
Xeon E5-2620 v2 wins by 3.9% (Rank #777 vs #1418)
Side-by-side comparison of key specifications
| Specification | Xeon E5-2620 v2 | Pentium G645 | Diff |
|---|---|---|---|
| Cores |
6
|
2
|
+66.7% |
| Threads |
12
|
2
|
+83.3% |
| Base Frequency |
2,100 MHz
|
2,900 MHz
|
-27.6% |
| Clock Multiplier |
21x
|
29x
|
-27.6% |
| L1 Cache |
62 KB
|
62 KB
|
0% |
| L2 Cache |
0 MiB
|
0 MiB
|
0% |
| L3 Cache |
14 MiB
|
3 MiB
|
+80% |
| Memory Channels |
4
|
2
|
+50% |
| Maximum Memory |
1 GB
|
0 GB
|
+95.8% |
| Max Bandwidth |
51 GB/s
|
17 GB/s
|
+66.8% |
| PCIe Lanes |
40
|
12
|
+70% |
| Max CPUs |
2
|
1
|
+50% |
| TDP (lower is better) |
80 W
|
65 W
|
18.8% more |
| Process (lower is better) |
22 nm
|
32 nm
|
31.3% less |
| Specification | Xeon E5-2620 v2 | Pentium G645 |
|---|---|---|
| Designer | Intel | Intel |
| Model Number | E5-2620V2 | G645 |
| Core Name | Ivy Bridge-EP | Sandy Bridge |
| Socket | FCLGA2011 | FCLGA1155 |
| Package | FC-LGA10 | |
| Memory Type | DDR3 800/1066/1333/1600 | DDR3 1066 |
| ECC Support | Yes | Yes |
| PCIe Revision | 3.0 | 2.0 |
| PCIe Configuration | x4, x8, x16 | up to 1x16, 2x8, 1x8 & 2x4 |
| Market Segment | Server | Desktop |
| 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 | Xeon E5-2620 v2 | Pentium G645 |
|---|---|---|
| Process | 22 nm | 32 nm |
| Die Area | 160 mm² | 131 mm² |
| Transistor Count | 1,400 | 0.00 billion |
| Manufacturer | Intel | Intel |
| Word Size | 64-bit | 64-bit |
Process
Die Area
Transistor Count
Manufacturer
Word Size
Integrated GPU specifications comparison
| Specification | Xeon E5-2620 v2 | Pentium G645 |
|---|---|---|
| GPU | HD Graphics 4400 | HD Graphics |
| GPU Designer | Intel | Intel |
| GPU Max Frequency | 1100 MHz | 1100 MHz |
GPU
GPU Designer
GPU Max Frequency
Supported instruction set extensions comparison
| Extension | Xeon E5-2620 v2 | Pentium G645 |
|---|---|---|
| AES | ||
| AVX | ||
| AVX2 | ||
| EIST | ||
| EPT | ||
| F16C | ||
| FMA | ||
| 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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