Intel Xeon E5645 

Released March, 2010
  • 2.4 GHz
  • Hexa core
5.4 Out of 10

CPUBoss Review Our evaluation of the Intel Xeon E5645 among all CPUs

Performance

Benchmark performance using all cores

Xeon E5645
6.1
PCMark 8 Home 3.0 Accelerated, PassMark and 1 more

Single-core Performance

Individual core benchmark performance

Xeon E5645
6.6
PassMark (Single Core), Geekbench 3 Single Core and 1 more

Integrated Graphics

Integrated GPU performance for graphics

Xeon E5645
0.0
Sky Diver and Cloud Gate

Integrated Graphics (OpenCL)

Integrated GPU performance for parallel computing

Xeon E5645
0.0
CompuBench 1.5 Bitcoin mining and 4 more

Performance per Watt

How efficiently does the processor use electricity?

Xeon E5645
5.0
Sky Diver, Cloud Gate, CompuBench 1.5 Bitcoin mining and 11 more

Value

Are you paying a premium for performance?

Xeon E5645
5.6
Sky Diver, Cloud Gate, CompuBench 1.5 Bitcoin mining and 11 more

5.4

CPUBoss Score

Combination of all six facets

Xeon E5645
5.4

Benchmarks Real world tests of the Intel Xeon E5645

GeekBench 3 (Multi-core) Data courtesy Primate Labs

Xeon E5645
20,172
Core i7 3770K
13,098
Xeon X5650
22,313

GeekBench 3 (Single core) Data courtesy Primate Labs

Xeon E5645
1,968
Xeon X5650
2,176

GeekBench 3 (AES single core) Data courtesy Primate Labs

Xeon E5645
1,340,000 MB/s
Core i7 3770K
2,620,000 MB/s
Xeon X5650
1,470,000 MB/s

GeekBench (32-bit) Data courtesy Primate Labs

Xeon E5645
11,304
Core i7 3770K
13,703
Xeon X5650
13,247

GeekBench (64-bit) Data courtesy Primate Labs

Xeon E5645
11,929
Core i7 3770K
14,866
Xeon X5650
13,603

GeekBench

Xeon E5645
11,929
Core i7 3770K
17,972
Xeon X5650
14,009

PassMark Data courtesy Passmark

Xeon E5645
6,720
Xeon X5650
7,606

PassMark (Single Core)

Xeon E5645
1,096
Xeon X5650
1,232

Specifications Full list of technical specs

summary

Clock speed 2.4 GHz
Turbo clock speed 2.67 GHz
Cores Hexa core
Socket type LGA 1366

features

Has a NX bit Yes
Supports trusted computing Yes
Has virtualization support Yes
Instruction set extensions
  1. MMX
  2. AES
  3. SSE
  4. SSE2
  5. SSE4.1
  6. SSE3
  7. Supplemental SSE3
  8. SSE4.2
  9. SSE4
Supports dynamic frequency scaling Yes

power consumption

TDP 80W
Annual home energy cost 19.27 $/year
Annual commercial energy cost 70.08 $/year
Performance per watt 8.98 pt/W
Typical power consumption 65W

memory controller

Memory controller Built-in
Memory type
  1. DDR3-1333
  2. DDR3-1066
  3. DDR3-800
  4. DDR3
Channels Triple Channel
Supports ECC Yes
Maximum bandwidth 31,999.98 MB/s
Maximum memory size 294,912 MB

details

Architecture x86-64
Threads 12 threads
L2 cache 2 MB
L2 cache per core 0.33 MB/core
L3 cache 12 MB
L3 cache per core 2 MB/core
Manufacture process 32 nm
Max CPUs 2
Clock multiplier 18
Voltage range 0.75 - 1.35V
Operating temperature Unknown - 76.2°C

overclocking

Overclock popularity 3
Overclocked clock speed 3.63 GHz
Overclocked clock speed (Water) 2.4 GHz
Overclocked clock speed (Air) 3.63 GHz

integrated graphics

GPU None

bus

Architecture QPI
Data rate 46,928 MB/s
Transfer rate 5,860 MT/s
Clock speed 2,930 MHz
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