Intel Xeon E5 2643 v2 vs Xeon 6738P
We compared two server CPUs: Intel Xeon E5 2643 v2 with 6 cores 3.5GHz and Xeon 6738P with 32 cores 2.9GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.
Main Differences
Intel Xeon E5 2643 v2 's Advantages
Higher base frequency (3.5GHz vs 2.9GHz)
Lower TDP (130W vs 270W)
Xeon 6738P 's Advantages
Released 11 years and 5 months late
Higher specification of memory (6400 vs 3)
Newer PCIe version (5 vs 3)
Larger L3 cache size (144MB vs 15MB)
More modern manufacturing process (5nm vs 22nm)
Score
General Parameters
Sep 2013
Release Date
Feb 2025
Intel
Manufacturer
Intel
Server
Type
Server
Ivy Bridge-EP
Core Architecture
Granite Rapids
Intel Socket 2011
Socket
Intel Socket 4710
N/A
Integrated Graphics
N/A
Xeon E5 (Ivy Bridge-EP)
Generation
Xeon 6 (Granite Rapids-SP)
Package
1.4 billions
Transistor Count
-
22 nm
Manufacturing Process
5 nm
130 W
Power Consumption
270 W
-
Peak Operating Temperature
102°C
Intel
Foundry
Intel
160 mm²
Die Size
598 mm²
-
I/O Process Size
10 nm
-
I/O Die Size
2x 241
CPU Performance
3.5 GHz
Performance Core Base Frequency
2.9 GHz
0
Performance Core Turbo Frequency
4.2 GHz
6
Total Core Count
32
12
Total Thread Count
64
100 MHz
Bus Frequency
100 MHz
35.0
Multiplier
29.0
64 K per core
L1 Cache
112 KB per core
256 K per core
L2 Cache
2 MB per core
15 MB shared
L3 Cache
144 MB shared
No
Unlocked Multiplier
No
2
SMP
8
-
AVX-512 FMA Ports
2
Memory Parameters
DDR3
Memory Types
DDR5-6400
-
Max Memory Size
4 TB
4
Max Memory Channels
8
Yes
ECC Memory Support
Yes
Miscellaneous
3
PCIe Version
5
-
PCIe Lanes
88
