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| Intel Xeon E5-4640 vs E5-2650 |
Released May, 2012
Intel Xeon E5-4640
- 2.4 GHz
- Octa core
Reasons to buy the Intel Xeon E5-4640
![]() | Much higher clock speed 2.4 GHz | ![]() | Much better PassMark (Single core) score 1,423 |
![]() | Supports more CPUs in SMP configuration 4 | ![]() | Much better overclocked clock speed (Water) 2.4 GHz |
VS
Released March, 2012
Intel Xeon E5-2650
- 2 GHz
- Octa core
Reasons to buy the E5-2650
![]() | Much better performance per watt 6.61 pt/W |
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Differences What are the advantages of each
| |||||||
Much higher clock speed | 2.4 GHz | vs | 2 GHz | Around 20% higher clock speed | |||
---|---|---|---|---|---|---|---|
Much better PassMark (Single core) score | 1,423 | vs | 1,297 | Around 10% better PassMark (Single core) score | |||
Supports more CPUs in SMP configuration | 4 | vs | 2 | Twice as many CPUs in SMP configuration | |||
Much better overclocked clock speed (Water) | 2.4 GHz | vs | 2 GHz | Around 20% better overclocked clock speed (Water) | |||
Better overclocked clock speed (Air) | 2.63 GHz | vs | 2.55 GHz | Around 5% better overclocked clock speed (Air) | |||
| |||||||
Much better performance per watt | 6.61 pt/W | vs | 1.83 pt/W | More than 3.5x better performance per watt |
Benchmarks Real world tests of Xeon E5-4640 vs E5-2650
GeekBench 3 (Multi-core) Data courtesy Primate Labs
Xeon E5-4640
5,597.5
Xeon E5-2650
5,977
GeekBench 3 (Single core) Data courtesy Primate Labs
Xeon E5-4640
1,573
Xeon E5-2650
1,701
GeekBench 3 (AES single core) Data courtesy Primate Labs
Xeon E5-4640
103.35 MB/s
Xeon E5-2650
1,350,000 MB/s
PassMark Data courtesy Passmark
Xeon E5-4640
10,523
Xeon E5-2650
10,190
PassMark (Single Core)
Xeon E5-4640
1,423
Xeon E5-2650
1,297
Specifications Full list of technical specs
summary | Xeon E5-4640 | vs | E5-2650 |
---|---|---|---|
Clock speed | 2.4 GHz | 2 GHz | |
Turbo clock speed | 2.8 GHz | 2.8 GHz | |
Cores | Octa core | Octa 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 | 1.83 pt/W | 6.61 pt/W | |
Typical power consumption | 77.19W | 77.19W | |
bus | |||
Architecture | QPI | QPI | |
Number of links | 2 | 2 | |
Data rate | 64,000 MB/s | 64,000 MB/s | |
Transfer rate | 8,000 MT/s | 8,000 MT/s | |
Clock speed | 4,000 MHz | 4,000 MHz |
details | Xeon E5-4640 | vs | E5-2650 |
---|---|---|---|
Architecture | x86-64 | x86-64 | |
Threads | 16 | 16 | |
L2 cache | 2 MB | 2 MB | |
L2 cache per core | 0.25 MB/core | 0.25 MB/core | |
L3 cache | 20 MB | 20 MB | |
L3 cache per core | 2.5 MB/core | 2.5 MB/core | |
Manufacture process | 32 nm | 32 nm | |
Max CPUs | 4 | 2 | |
Voltage range | 0.6 - 1.35V | 0.6 - 1.35V | |
overclocking | |||
Overclocked clock speed | 2.63 GHz | 2.55 GHz | |
Overclocked clock speed (Water) | 2.4 GHz | 2 GHz | |
Overclocked clock speed (Air) | 2.63 GHz | 2.55 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 | |||
DDR3-1600 | |||
DDR3-1333 | |||
DDR3-1066 | |||
DDR3 | |||
DDR3-800 | |||
Channels | Quad Channel | Quad Channel | |
Supports ECC | Yes | Yes | |
Maximum bandwidth | 51,200 MB/s | 51,200 MB/s | |
Maximum memory size | 393,216 MB | 393,216 MB |
Intel Xeon E5-4640 ![]() | Intel Xeon E5-2650 ![]() |
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