Opteron 6276 vs Xeon L5420
We compared two server CPUs: Opteron 6276 with 16 cores 2.3GHz and Xeon L5420 with 4 cores 2.5GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.
Main Differences
Opteron 6276 's Advantages
Released 3 years and 8 months late
Higher specification of memory (1600 vs 3)
More modern manufacturing process (32nm vs 45nm)
Xeon L5420 's Advantages
Higher base frequency (2.5GHz vs 2.3GHz)
Lower TDP (50W vs 115W)
Score
Benchmark
Geekbench 6 Single Core
Opteron 6276
198
Xeon L5420
+87%
371
Geekbench 6 Multi Core
Opteron 6276
+55%
1729
Xeon L5420
1110
General Parameters
Nov 2011
Release Date
Mar 2008
AMD
Manufacturer
Intel
Server
Type
Server
Interlagos
Core Architecture
Harpertown
AMD Socket G34
Socket
Intel Socket 771
N/A
Integrated Graphics
N/A
Opteron (Interlagos)
Generation
Xeon (Harpertown)
Package
2.4 billions
Transistor Count
0.82 billions
32 nm
Manufacturing Process
45 nm
115 W
Power Consumption
50 W
GlobalFoundries
Foundry
Intel
2x315 mm²
Die Size
2x107 mm²
CPU Performance
2.3 GHz
Performance Core Base Frequency
2.5 GHz
3.2 GHz
Performance Core Turbo Frequency
0
16
Total Core Count
4
16
Total Thread Count
4
200 MHz
Bus Frequency
333 MHz
11.5
Multiplier
7.5
768 KB
L1 Cache
64 KB per core
2 MB per module
L2 Cache
6 MB per die
8 MB per die
L3 Cache
-
No
Unlocked Multiplier
No
4
SMP
2
Memory Parameters
DDR3-1600
Memory Types
DDR2, DDR3
Depends on motherboard
4
Max Memory Channels
2
Yes
ECC Memory Support
Yes
Miscellaneous
2
PCIe Version
2
