Intel Xeon E5 2620 vs Intel Xeon E3 1245
We compared two server CPUs: Intel Xeon E5 2620 with 6 cores 2GHz and Intel Xeon E3 1245 with 4 cores 3.3GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.
Main Differences
Intel Xeon E5 2620 's Advantages
Released 11 months late
Larger L3 cache size (15MB vs 8MB)
Intel Xeon E3 1245 's Advantages
Higher base frequency (3.3GHz vs 2GHz)
Score
Benchmark
Geekbench 6 Single Core
Intel Xeon E5 2620
422
Intel Xeon E3 1245
+74%
736
Geekbench 6 Multi Core
Intel Xeon E5 2620
+32%
3412
Intel Xeon E3 1245
2578
General Parameters
Mar 2012
Release Date
Apr 2011
Intel
Manufacturer
Intel
Server
Type
Server
Sandy Bridge-EP
Core Architecture
Sandy Bridge
Intel Socket 2011
Socket
Intel Socket 1155
N/A
Integrated Graphics
Intel HD P3000
Xeon E5 (Sandy Bridge-EP)
Generation
Xeon E3 (Sandy Bridge)
Package
2.27 billions
Transistor Count
1.16 billions
32 nm
Manufacturing Process
32 nm
95 W
Power Consumption
95 W
Intel
Foundry
Intel
435 mm²
Die Size
216 mm²
CPU Performance
2 GHz
Performance Core Base Frequency
3.3 GHz
2.5 GHz
Performance Core Turbo Frequency
3.7 GHz
6
Total Core Count
4
12
Total Thread Count
8
100 MHz
Bus Frequency
100 MHz
20.0
Multiplier
33.0
64 K per core
L1 Cache
64 K per core
256 K per core
L2 Cache
256 K per core
15 MB shared
L3 Cache
8 MB shared
No
Unlocked Multiplier
No
2
SMP
1
Memory Parameters
DDR3
Memory Types
DDR3
4
Max Memory Channels
2
Yes
ECC Memory Support
Yes
Miscellaneous
3
PCIe Version
3
-
PCIe Lanes
16
