Intel Xeon E5 2640 v2 vs Intel Xeon E5645
We compared two server CPUs: Intel Xeon E5 2640 v2 with 8 cores 2GHz and Intel Xeon E5645 with 6 cores 2.4GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.
Main Differences
Intel Xeon E5 2640 v2 's Advantages
Released 3 years and 6 months late
Newer PCIe version (3 vs 2)
Larger L3 cache size (20MB vs 12MB)
More modern manufacturing process (22nm vs 32nm)
Intel Xeon E5645 's Advantages
Higher base frequency (2.4GHz vs 2GHz)
Lower TDP (80W vs 95W)
Score
Benchmark
Geekbench 6 Single Core
Intel Xeon E5 2640 v2
363
Intel Xeon E5645
+17%
425
Geekbench 6 Multi Core
Intel Xeon E5 2640 v2
2712
Intel Xeon E5645
+14%
3117
General Parameters
Sep 2013
Release Date
Mar 2010
Intel
Manufacturer
Intel
Server
Type
Server
Ivy Bridge-EP
Core Architecture
Westmere-EP
Intel Socket 2011
Socket
Intel Socket 1366
N/A
Integrated Graphics
N/A
Xeon E5 (Ivy Bridge-EP)
Generation
Xeon (Westmere-EP)
Package
1.4 billions
Transistor Count
1.17 billions
22 nm
Manufacturing Process
32 nm
95 W
Power Consumption
80 W
Intel
Foundry
Intel
160 mm²
Die Size
239 mm²
CPU Performance
2 GHz
Performance Core Base Frequency
2.4 GHz
0
Performance Core Turbo Frequency
2.666 GHz
8
Total Core Count
6
16
Total Thread Count
12
100 MHz
Bus Frequency
133 MHz
20.0
Multiplier
18.0
64 K per core
L1 Cache
64 K per core
256 K per core
L2 Cache
256 K per core
20 MB shared
L3 Cache
12 MB shared
No
Unlocked Multiplier
No
2
SMP
2
Memory Parameters
DDR3
Memory Types
DDR3
4
Max Memory Channels
3
Yes
ECC Memory Support
Yes
Miscellaneous
3
PCIe Version
2
