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| Intel Xeon E5 2640 v2 vs E5-2640 |
Expected September, 2013
Intel Xeon E5 2640 v2
- 2 GHz
- Octa core
Reasons to buy the Intel Xeon E5 2640 v2
![]() | Much more l3 cache 20 MB | ![]() | Much better performance per dollar 1.14 pt/$ |
![]() | Supports more RAM 786,432 MB | ![]() | More threads 16 |
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Released March, 2012
Intel Xeon E5-2640
- 2.5 GHz
- Hexa core
Reasons to buy the E5-2640
![]() | Much higher clock speed 2.5 GHz | ![]() | Significantly higher turbo clock speed 3 GHz |
![]() | Much better overclocked clock speed (Air) 2.9 GHz | ![]() | More l2 cache per core 0.33 MB/core |
Cast your vote Do you agree or disagree with CPUBoss?
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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 | |||
---|---|---|---|---|---|---|---|
Much better performance per dollar | 1.14 pt/$ | vs | 0.81 pt/$ | More than 40% better performance per dollar | |||
Supports more RAM | 786,432 MB | vs | 393,216 MB | Supports 2x more RAM | |||
More threads | 16 | vs | 12 | 4 more threads | |||
Newer manufacturing process | 22 nm | vs | 32 nm | A newer manufacturing process allows for a more powerful, yet cooler running processor | |||
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Much higher clock speed | 2.5 GHz | vs | 2 GHz | 25% higher clock speed | |||
Significantly higher turbo clock speed | 3 GHz | vs | 2.5 GHz | 20% higher turbo clock speed | |||
Much better overclocked clock speed (Air) | 2.9 GHz | vs | 2.55 GHz | Around 15% better overclocked clock speed (Air) | |||
More l2 cache per core | 0.33 MB/core | vs | 0.25 MB/core | Around 35% more l2 cache per core | |||
Much better overclocked clock speed (Water) | 2.5 GHz | vs | 2 GHz | 25% better overclocked clock speed (Water) |
Benchmarks Real world tests of Xeon E5 2640 v2 vs E5-2640
GeekBench 3 (Multi-core) Data courtesy Primate Labs
Xeon E5 2640 v2
17,132
Xeon E5-2640
9,664
GeekBench 3 (Single core) Data courtesy Primate Labs
Xeon E5 2640 v2
2,004
Xeon E5-2640
2,099
GeekBench 3 (AES single core) Data courtesy Primate Labs
Xeon E5 2640 v2
1,385,000 MB/s
Xeon E5-2640
1,400,000 MB/s
Specifications Full list of technical specs
summary | Xeon E5 2640 v2 | vs | E5-2640 |
---|---|---|---|
Clock speed | 2 GHz | 2.5 GHz | |
Turbo clock speed | 2.5 GHz | 3 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 | |||
SSE4 | |||
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 | 10.5 pt/W | 7.66 pt/W | |
Typical power consumption | 77.19W | 77.19W | |
bus | |||
Architecture | QPI | QPI | |
Number of links | 2 | 2 | |
Data rate | 57,600 MB/s | 57,600 MB/s | |
Transfer rate | 7,200 MT/s | 7,200 MT/s | |
Clock speed | 3,600 MHz | 3,600 MHz |
details | Xeon E5 2640 v2 | vs | E5-2640 |
---|---|---|---|
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 | 22 nm | 32 nm | |
Max CPUs | 2 | 2 | |
Clock multiplier | 20 | 30 | |
Operating temperature | Unknown - 75°C | Unknown - 73°C | |
overclocking | |||
Overclocked clock speed | 2.55 GHz | 2.9 GHz | |
Overclocked clock speed (Water) | 2 GHz | 2.5 GHz | |
Overclocked clock speed (Air) | 2.55 GHz | 2.9 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 | |
memory controller | |||
Memory controller | Built-in | Built-in | |
Memory type | |||
DDR3-1333 | |||
DDR3-1066 | |||
DDR3 | |||
DDR3-800 | |||
Channels | Quad Channel | Quad Channel | |
Supports ECC | Yes | Yes | |
Maximum bandwidth | 25,600 MB/s | 42,666.64 MB/s | |
Maximum memory size | 786,432 MB | 393,216 MB |
Intel Xeon E5 2640 v2 ![]() | Intel Xeon E5-2640 ![]() |
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