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| Intel Xeon X5650 vs L5640 |
Released March, 2010
Intel Xeon X5650
- 2.66 GHz
- Hexa core
Reasons to buy the Intel Xeon X5650
![]() | Much higher clock speed 2.66 GHz | ![]() | Much better performance per dollar 1.44 pt/$ |
![]() | Much higher Maximum operating temperature 81.3 °C | ![]() | Higher turbo clock speed 3.06 GHz |
VS
Released March, 2010
Intel Xeon L5640
- 2.26 GHz
- Hexa core
Reasons to buy the L5640
![]() | Significantly lower typical power consumption 48.75W | ![]() | Better overclocked clock speed (Air) 3.9 GHz |
![]() | Significantly lower annual commercial energy cost 52.56 $/year | ![]() | Significantly lower annual home energy cost 14.45 $/year |
CPUBoss Review Our evaluation of X5650 vs L5640 among all CPUs
Performance | |
Benchmark performance using all cores | |
PCMark 8 Home 3.0 Accelerated, PassMark and 1 more |
Single-core Performance | |
Individual core benchmark performance | |
PassMark (Single Core), Geekbench 3 Single Core and 1 more |
Integrated Graphics | |
Integrated GPU performance for graphics | |
Sky Diver and Cloud Gate |
Integrated Graphics (OpenCL) | |
Integrated GPU performance for parallel computing | |
CompuBench 1.5 Bitcoin mining and 4 more |
Performance per Watt | |
How efficiently does the processor use electricity? | |
Sky Diver, Cloud Gate, CompuBench 1.5 Bitcoin mining and 11 more |
Value | |
Are you paying a premium for performance? | |
Sky Diver, Cloud Gate, CompuBench 1.5 Bitcoin mining and 11 more |
No winner declared
Too close to call
Cast your vote Do you agree or disagree with CPUBoss?
VS
Differences What are the advantages of each
| |||||||
Much higher clock speed | 2.66 GHz | vs | 2.26 GHz | Around 20% higher clock speed | |||
---|---|---|---|---|---|---|---|
Much better performance per dollar | 1.44 pt/$ | vs | 0.63 pt/$ | More than 2.2x better performance per dollar | |||
Much higher Maximum operating temperature | 81.3 °C | vs | 69.4 °C | More than 15% higher Maximum operating temperature | |||
Higher turbo clock speed | 3.06 GHz | vs | 2.8 GHz | Around 10% higher turbo clock speed | |||
Much better overclocked clock speed (Water) | 4.64 GHz | vs | 2.27 GHz | More than 2x better overclocked clock speed (Water) | |||
| |||||||
Significantly lower typical power consumption | 48.75W | vs | 77.19W | More than 35% lower typical power consumption | |||
Better overclocked clock speed (Air) | 3.9 GHz | vs | 3.84 GHz | Almost the same | |||
Significantly lower annual commercial energy cost | 52.56 $/year | vs | 83.22 $/year | More than 35% lower annual commercial energy cost | |||
Significantly lower annual home energy cost | 14.45 $/year | vs | 22.89 $/year | More than 35% lower annual home energy cost |
Benchmarks Real world tests of Xeon X5650 vs L5640
GeekBench 3 (Multi-core) Data courtesy Primate Labs
Xeon X5650
22,313
Xeon L5640
16,852
GeekBench 3 (Single core) Data courtesy Primate Labs
Xeon X5650
2,176
Xeon L5640
1,918
GeekBench 3 (AES single core) Data courtesy Primate Labs
Xeon X5650
1,470,000 MB/s
Xeon L5640
1,250,000 MB/s
GeekBench (32-bit) Data courtesy Primate Labs
Xeon X5650
13,247
Xeon L5640
11,047
GeekBench
Xeon X5650
14,009
Xeon L5640
11,047
PassMark Data courtesy Passmark
Xeon X5650
7,510
Xeon L5640
6,451
PassMark (Single Core)
Xeon X5650
1,234
Xeon L5640
1,100
Specifications Full list of technical specs
summary | Xeon X5650 | vs | L5640 |
---|---|---|---|
Clock speed | 2.66 GHz | 2.26 GHz | |
Turbo clock speed | 3.06 GHz | 2.8 GHz | |
Cores | Hexa core | Hexa core | |
Socket type | |||
LGA 1366 | |||
features | |||
Has a NX bit | Yes | Yes | |
Supports trusted computing | Yes | Yes | |
Has virtualization support | Yes | Yes | |
Instruction set extensions | |||
SSE2 | |||
MMX | |||
SSE4 | |||
SSE3 | |||
SSE | |||
SSE4.1 | |||
SSE4.2 | |||
Supplemental SSE3 | |||
AES | |||
Supports dynamic frequency scaling | Yes | Yes | |
power consumption | |||
TDP | 95W | 60W | |
Annual home energy cost | 22.89 $/year | 14.45 $/year | |
Annual commercial energy cost | 83.22 $/year | 52.56 $/year | |
Performance per watt | 7.89 pt/W | 10.46 pt/W | |
Typical power consumption | 77.19W | 48.75W | |
memory controller | |||
Memory controller | Built-in | Built-in | |
Memory type | |||
DDR3-1333 | |||
DDR3-1066 | |||
DDR3-800 | |||
DDR3 | |||
Channels | Triple Channel | Triple Channel | |
Supports ECC | Yes | Yes | |
Maximum bandwidth | 31,999.98 MB/s | 31,999.98 MB/s | |
Maximum memory size | 294,912 MB | 294,912 MB |
details | Xeon X5650 | vs | L5640 |
---|---|---|---|
Architecture | x86-64 | x86-64 | |
Threads | 12 | 12 | |
L2 cache | 2 MB | 2 MB | |
L2 cache per core | 0.33 MB/core | 0.33 MB/core | |
L3 cache | 12 MB | 12 MB | |
L3 cache per core | 2 MB/core | 2 MB/core | |
Manufacture process | 32 nm | 32 nm | |
Max CPUs | 2 | 2 | |
Clock multiplier | 20 | 17 | |
Voltage range | 0.75 - 1.35V | 0.75 - 1.35V | |
Operating temperature | Unknown - 81.3°C | Unknown - 69.4°C | |
overclocking | |||
Overclocked clock speed | 3.84 GHz | 3.9 GHz | |
Overclocked clock speed (Water) | 4.64 GHz | 2.27 GHz | |
Overclocked clock speed (Air) | 3.84 GHz | 3.9 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 | |
bus | |||
Architecture | QPI | QPI | |
Number of links | 2 | 2 | |
Data rate | 51,200 MB/s | 46,928 MB/s | |
Transfer rate | 6,400 MT/s | 5,860 MT/s | |
Clock speed | 3,200 MHz | 2,930 MHz |
Intel Xeon X5650 ![]() | Intel Xeon L5640 ![]() |
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