Home Comparison AMD EPYC 7643 vs Intel Xeon E3 1240 v2

AMD EPYC 7643 vs Intel Xeon E3 1240 v2

We compared two server CPUs: AMD EPYC 7643 with 48 cores 2.3GHz and Intel Xeon E3 1240 v2 with 4 cores 3.4GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

AMD EPYC 7643 's Advantages
Released 8 years and 10 months late
Higher specification of memory (3200 vs 3)
Newer PCIe version (4 vs 3)
Larger L3 cache size (256MB vs 8MB)
More modern manufacturing process (7nm vs 22nm)
Intel Xeon E3 1240 v2 's Advantages
Higher base frequency (3.4GHz vs 2.3GHz)
Lower TDP (69W vs 225W)

Score

Benchmark

Geekbench 6 Single Core
AMD EPYC 7643 +134%
1696
Intel Xeon E3 1240 v2
724
Geekbench 6 Multi Core
AMD EPYC 7643 +310%
9939
Intel Xeon E3 1240 v2
2423
VS

General Parameters

Mar 2021
Release Date
May 2012
AMD
Manufacturer
Intel
Server
Type
Server
Milan
Core Architecture
Ivy Bridge
AMD Socket SP3
Socket
Intel Socket 1155
N/A
Integrated Graphics
N/A
EPYC (Zen 3 (Milan))
Generation
Xeon E3 (Ivy Bridge)

Package

33.2 billions
Transistor Count
1.4 billions
7 nm
Manufacturing Process
22 nm
225 W
Power Consumption
69 W
TSMC
Foundry
Intel
8x81 mm²
Die Size
160 mm²
12 nm
I/O Process Size
-
416 mm²
I/O Die Size
-

CPU Performance

2.3 GHz
Performance Core Base Frequency
3.4 GHz
3.6 GHz
Performance Core Turbo Frequency
3.8 GHz
48
Total Core Count
4
96
Total Thread Count
8
100 MHz
Bus Frequency
100 MHz
23.0
Multiplier
34.0
64 KB per core
L1 Cache
64 K per core
512 KB per core
L2 Cache
256 K per core
256 MB shared
L3 Cache
8 MB shared
No
Unlocked Multiplier
No
6
Cores per CCD
-
2
SMP
1

Memory Parameters

DDR4-3200
Memory Types
DDR3
8
Max Memory Channels
2
Yes
ECC Memory Support
Yes

Miscellaneous

4
PCIe Version
3
128
PCIe Lanes
16

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