Opteron 6338P vs Intel Xeon L5640
We compared two server CPUs: Opteron 6338P with 12 cores 2.3GHz and Intel Xeon L5640 with 6 cores 2.266GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.
Main Differences
Opteron 6338P 's Advantages
Released 3 years and 10 months late
Higher specification of memory (1600 vs 3)
Higher base frequency (2.3GHz vs 2.266GHz)
Intel Xeon L5640 's Advantages
Larger L3 cache size (12MB vs 8MB)
Lower TDP (60W vs 99W)
Score
AMD Opteron 6338P
Intel Xeon L5640
General Parameters
Jan 2014
Release Date
Mar 2010
AMD
Manufacturer
Intel
Server
Type
Server
Warsaw
Core Architecture
Westmere-EP
AMD Socket G34
Socket
Intel Socket 1366
N/A
Integrated Graphics
N/A
Opteron (Abu Dhabi)
Generation
Xeon (Westmere-EP)
Package
2.4 billions
Transistor Count
1.17 billions
32 nm
Manufacturing Process
32 nm
99 W
Power Consumption
60 W
69 °C
Peak Operating Temperature
GlobalFoundries
Foundry
Intel
2x315 mm²
Die Size
239 mm²
CPU Performance
0
Performance Cores
0
2.3 GHz
Performance Core Base Frequency
2.266 GHz
2.8 GHz
Performance Core Turbo Frequency
2.8 GHz
0
Efficiency Cores
0
12
Total Core Count
6
12
Total Thread Count
12
200 MHz
Bus Frequency
133 MHz
11.5
Multiplier
17.0
576 KB
L1 Cache
64 K per core
2 MB per module
L2 Cache
256 K per core
8 MB per die
L3 Cache
12 MB shared
No
Unlocked Multiplier
No
4
SMP
2
Memory Parameters
DDR3-1600
Memory Types
DDR3
4
Max Memory Channels
3
0
Max Memory Bandwidth
0
Yes
ECC Memory Support
Yes
Graphics Card Parameters
false
Integrated Graphics
false
0
Graphics Performance
0
AI Accelerator
Miscellaneous
2
PCIe Version
2
Related CPU Comparisons
Related News
AMD's Next-Generation APU Medusa Halo to Feature DDR6, Promising Significant Performance Boost
Wednesday, February 11, 2026
Intel's Next-Generation 900-Series Chip Specifications Revealed for Nova Lake
Tuesday, February 10, 2026
Although Intel 18A's Backside Power Delivery is Powerful, It May Deter Customers from Purchasing
Monday, February 9, 2026
Intel Arc B390 Panther Lake Graphics Showcase Exceptional Performance in Linux Tests
Sunday, February 8, 2026
NVIDIA to Slow Production of New GPUs Due to Memory Shortage; SUPER Series Delayed, 60 Series Also Affected
Friday, February 6, 2026
Intel Expands Investment in AI GPUs: What Does This Mean for Gaming Graphics Cards?
Thursday, February 5, 2026
Intel Officially Launches Xeon 600 Series, Competing with Threadripper Pro 9000
Tuesday, February 3, 2026
Apple Removed from TSMC's Priority Client List, M5 May Launch Earlier
Monday, February 2, 2026