Intel Xeon E5-2650 vs E5-2620 |
Released March, 2012
Intel Xeon E5-2650
- 2 GHz
- Octa core
5.3 Out of 10
Reasons to buy the Intel Xeon E5-2650
 | Much more l3 cache 20 MB | | Higher turbo clock speed 2.8 GHz |
| | More threads 16 | | Significantly better overclocked clock speed (Air) 2.55 GHz |
VS
Released March, 2012
Intel Xeon E5-2620
- 2 GHz
- Hexa core
- Unlocked
5.3 Out of 10
Reasons to buy the E5-2620
| | Much better performance per dollar 1.52 pt/$ | | More l2 cache per core 0.33 MB/core |
CPUBoss Review Our evaluation of E5-2650 vs E5-2620 among all CPUs
Performance | |
Benchmark performance using all cores | |
| PCMark 8 Home 3.0 Accelerated, PassMark and 1 more | |
Single-core Performance | |
Individual core benchmark performance | |
| PassMark (Single Core), Geekbench 3 Single Core and 1 more | |
Integrated Graphics | |
Integrated GPU performance for graphics | |
| Sky Diver and Cloud Gate | |
Integrated Graphics (OpenCL) | |
Integrated GPU performance for parallel computing | |
| CompuBench 1.5 Bitcoin mining and 4 more | |
Performance per Watt | |
How efficiently does the processor use electricity? | |
| Sky Diver, Cloud Gate, CompuBench 1.5 Bitcoin mining and 11 more | |
Value | |
Are you paying a premium for performance? | |
| Sky Diver, Cloud Gate, CompuBench 1.5 Bitcoin mining and 11 more | |
No winner declared
Too close to call
Cast your vote Do you agree or disagree with CPUBoss?
VS
| |  | Intel Xeon E5-2620CPUBoss Winner |
Differences What are the advantages of each
| |||||||
| Much more l3 cache | 20 MB | vs | 15 MB | Around 35% more l3 cache; more data can be stored in the l3 cache for quick access later | |||
|---|---|---|---|---|---|---|---|
| Higher turbo clock speed | 2.8 GHz | vs | 2.5 GHz | More than 10% higher turbo clock speed | |||
| More threads | 16 | vs | 12 | 4 more threads | |||
| Significantly better overclocked clock speed (Air) | 2.55 GHz | vs | 2.28 GHz | More than 10% better overclocked clock speed (Air) | |||
| |||||||
| Much better performance per dollar | 1.52 pt/$ | vs | 0.56 pt/$ | Around 2.8x better performance per dollar | |||
| More l2 cache per core | 0.33 MB/core | vs | 0.25 MB/core | Around 35% more l2 cache per core | |||
Report a correction
Benchmarks Real world tests of Xeon E5-2650 vs E5-2620
GeekBench 3 (Multi-core) Data courtesy Primate Labs
GeekBench 3 (Single core) Data courtesy Primate Labs
GeekBench 3 (AES single core) Data courtesy Primate Labs
GeekBench (32-bit) Data courtesy Primate Labs
GeekBench (64-bit) Data courtesy Primate Labs
GeekBench
PassMark Data courtesy Passmark
PassMark (Single Core)
Specifications Full list of technical specs
summary | Xeon E5-2650 | vs | E5-2620 |
|---|---|---|---|
| Clock speed | 2 GHz | 2 GHz | |
| Turbo clock speed | 2.8 GHz | 2.5 GHz | |
| Cores | Octa core | Hexa core | |
| Socket type | |||
| LGA 2011 | |||
features | |||
| Has a NX bit | Yes | Yes | |
| Supports trusted computing | Yes | Yes | |
| Has virtualization support | Yes | Yes | |
| Instruction set extensions | |||
| SSE2 | |||
| MMX | |||
| AVX | |||
| SSE3 | |||
| SSE | |||
| SSE4.1 | |||
| SSE4.2 | |||
| Supplemental SSE3 | |||
| AES | |||
| Supports dynamic frequency scaling | Yes | Yes | |
power consumption | |||
| TDP | 95W | 95W | |
| Annual home energy cost | 22.89 $/year | 22.89 $/year | |
| Annual commercial energy cost | 83.22 $/year | 83.22 $/year | |
| Performance per watt | 6.61 pt/W | 6.57 pt/W | |
| Typical power consumption | 77.19W | 77.19W | |
memory controller | |||
| Memory controller | Built-in | Built-in | |
| Memory type | |||
| DDR3-1600 | |||
| DDR3-1333 | |||
| DDR3-1066 | |||
| DDR3 | |||
| DDR3-800 | |||
| Channels | Quad Channel | Quad Channel | |
| Supports ECC | Yes | Yes | |
| Maximum bandwidth | 51,200 MB/s | 42,666.64 MB/s | |
| Maximum memory size | 393,216 MB | 393,216 MB | |
details | Xeon E5-2650 | vs | E5-2620 |
|---|---|---|---|
| Architecture | x86-64 | x86-64 | |
| Threads | 16 | 12 | |
| L2 cache | 2 MB | 2 MB | |
| L2 cache per core | 0.25 MB/core | 0.33 MB/core | |
| L3 cache | 20 MB | 15 MB | |
| L3 cache per core | 2.5 MB/core | 2.5 MB/core | |
| Manufacture process | 32 nm | 32 nm | |
| Max CPUs | 2 | 2 | |
| Clock multiplier | 28 | 25 | |
| Voltage range | 0.6 - 1.35V | 0.6 - 1.35V | |
| Operating temperature | Unknown - 77.4°C | Unknown - 77.4°C | |
overclocking | |||
| Overclock popularity | 0 | 4 | |
| Overclocked clock speed | 2.55 GHz | 2.28 GHz | |
| Overclocked clock speed (Water) | 2 GHz | 2 GHz | |
| Overclocked clock speed (Air) | 2.55 GHz | 2.28 GHz | |
integrated graphics | |||
| GPU | None | None | |
| Label | N/A | N/A | |
| Latest DirectX | N/A | N/A | |
| Number of displays supported | N/A | N/A | |
| GPU clock speed | N/A | N/A | |
| Turbo clock speed | N/A | N/A | |
| 3DMark06 | N/A | N/A | |
bus | |||
| Architecture | QPI | QPI | |
| Number of links | 2 | 2 | |
| Data rate | 64,000 MB/s | 57,600 MB/s | |
| Transfer rate | 8,000 MT/s | 7,200 MT/s | |
| Clock speed | 4,000 MHz | 3,600 MHz | |
 Intel Xeon E5-2650  Report a correction |  Intel Xeon E5-2620 Report a correction |
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