0 Comments
| Intel Xeon E5 2643 v2 vs E5-2643 |
Expected September, 2013
Intel Xeon E5 2643 v2
- 3.5 GHz
- Hexa core
Reasons to buy the Intel Xeon E5 2643 v2
![]() | Much more l3 cache 25 MB | ![]() | Much more l2 cache 2.5 MB |
![]() | More threads 20 | ![]() | Significantly higher clock speed 3.5 GHz |
VS
Released March, 2012
Intel Xeon E5-2643
- 3.3 GHz
- Quad core
Reasons to buy the E5-2643
![]() | Much better performance per dollar 1.09 pt/$ |
CPUBoss Review Our evaluation of 2643 v2 vs E5-2643 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 more l3 cache | 25 MB | vs | 10 MB | 2.5x more l3 cache; more data can be stored in the l3 cache for quick access later | |||
---|---|---|---|---|---|---|---|
Much more l2 cache | 2.5 MB | vs | 1 MB | 2.5x more l2 cache; more data can be stored in the l2 cache for quick access later | |||
More threads | 20 | vs | 8 | 12 more threads | |||
Significantly higher clock speed | 3.5 GHz | vs | 3.3 GHz | More than 5% higher clock speed | |||
More cores | 6 | vs | 4 | 2 more cores; run more applications at once | |||
Higher turbo clock speed | 3.8 GHz | vs | 3.5 GHz | Around 10% higher turbo clock speed | |||
Supports more RAM | 786,432 MB | vs | 393,216 MB | Supports 2x more RAM | |||
Much more l3 cache per core | 4.17 MB/core | vs | 2.5 MB/core | More than 65% more l3 cache per core | |||
Newer manufacturing process | 22 nm | vs | 32 nm | A newer manufacturing process allows for a more powerful, yet cooler running processor | |||
Significantly better overclocked clock speed (Air) | 3.57 GHz | vs | 3.3 GHz | Around 10% better overclocked clock speed (Air) | |||
Significantly more l2 cache per core | 0.42 MB/core | vs | 0.25 MB/core | More than 65% more l2 cache per core | |||
Much better overclocked clock speed (Water) | 4.07 GHz | vs | 3.3 GHz | Around 25% better overclocked clock speed (Water) | |||
| |||||||
Much better performance per dollar | 1.09 pt/$ | vs | 0.9 pt/$ | More than 20% better performance per dollar |
Benchmarks Real world tests of Xeon E5 2643 v2 vs E5-2643
GeekBench 3 (Multi-core) Data courtesy Primate Labs
Xeon E5 2643 v2
16,602
Xeon E5-2643
12,252
GeekBench 3 (Single core) Data courtesy Primate Labs
Xeon E5 2643 v2
2,757
Xeon E5-2643
2,764
GeekBench 3 (AES single core) Data courtesy Primate Labs
Xeon E5 2643 v2
2,060,000 MB/s
Xeon E5-2643
2,195,000 MB/s
Specifications Full list of technical specs
summary | Xeon E5 2643 v2 | vs | E5-2643 |
---|---|---|---|
Clock speed | 3.5 GHz | 3.3 GHz | |
Turbo clock speed | 3.8 GHz | 3.5 GHz | |
Cores | Hexa core | Quad 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 | 130W | 130W | |
Annual home energy cost | 31.32 $/year | 31.32 $/year | |
Annual commercial energy cost | 113.88 $/year | 113.88 $/year | |
Performance per watt | 10.7 pt/W | 7.41 pt/W | |
Typical power consumption | 105.63W | 105.63W | |
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 2643 v2 | vs | E5-2643 |
---|---|---|---|
Architecture | x86-64 | x86-64 | |
Threads | 20 | 8 | |
L2 cache | 2.5 MB | 1 MB | |
L2 cache per core | 0.42 MB/core | 0.25 MB/core | |
L3 cache | 25 MB | 10 MB | |
L3 cache per core | 4.17 MB/core | 2.5 MB/core | |
Manufacture process | 22 nm | 32 nm | |
Max CPUs | 2 | 2 | |
Clock multiplier | 35 | 35 | |
Operating temperature | Unknown - 74°C | Unknown - 73°C | |
overclocking | |||
Overclocked clock speed | 3.57 GHz | 3.3 GHz | |
Overclocked clock speed (Water) | 4.07 GHz | 3.3 GHz | |
Overclocked clock speed (Air) | 3.57 GHz | 3.3 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 | 25,600 MB/s | 51,200 MB/s | |
Maximum memory size | 786,432 MB | 393,216 MB |
Intel Xeon E5 2643 v2 ![]() | Intel Xeon E5-2643 ![]() |
Follow us
Compare
Related Comparisons
![]() | VS | ![]() |
$520 | $885 | |
X5650 vs E5-2643 | ||
![]() | VS | ![]() |
$901 | $885 | |
E5-2640 vs E5-2643 | ||
![]() | VS | ![]() |
$885 | ||
E5-2689 vs E5-2643 | ||
![]() | VS | ![]() |
$440 | $885 | |
2620 v2 vs E5-2643 | ||
![]() | VS | ![]() |
$1,126 | $885 | |
E5-2650 vs E5-2643 | ||
![]() | VS | ![]() |
$294 | $885 | |
E5-1620 vs E5-2643 | ||
![]() | VS | ![]() |
$410 | $885 | |
E5-2620 vs E5-2643 | ||
Popular Comparisons
![]() | VS | ![]() |
$300 | $305 | |
2500 vs W3520 | ||
![]() | VS | ![]() |
$350 | $272 | |
6700K vs 4790K | ||
![]() | VS | ![]() |
$281 | ||
6410 vs 4200U | ||
![]() | VS | ![]() |
$225 | $134 | |
3217U vs 847 | ||
![]() | VS | ![]() |
$281 | ||
7th Gen A9-9410 vs 6200U | ||
![]() | VS | ![]() |
$161 | $275 | |
N3540 vs 4005U | ||
![]() | VS | ![]() |
$180 | ||
5200 vs 3470 | ||