Home Comparison Intel Xeon E5603 vs Xeon 6766E

Intel Xeon E5603 vs Xeon 6766E

Intel Xeon E5603
VS
Xeon 6766E
Intel Xeon E5603
Intel Xeon 6766E
We compared two server CPUs: Intel Xeon E5603 with 4 cores 1.6GHz and Xeon 6766E with 144 cores 1.9GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Intel Xeon E5603 's Advantages
Lower TDP (80W vs 250W)
Xeon 6766E 's Advantages
Released 13 years and 4 months late
Higher specification of memory (6400 vs 3)
Newer PCIe version (5 vs 2)
Higher base frequency (1.9GHz vs 1.6GHz)
Larger L3 cache size (108MB vs 4MB)
More modern manufacturing process (5nm vs 32nm)

Score

Benchmark

Geekbench 6 Single Core
Intel Xeon E5603
201
Xeon 6766E +415%
1037
Geekbench 6 Multi Core
Intel Xeon E5603
586
Xeon 6766E +1795%
11106
Intel Xeon E5603
VS
Xeon 6766E

General Parameters

Feb 2011
Release Date
Jun 2024
Intel
Manufacturer
Intel
Server
Type
Server
Westmere-EP
Core Architecture
Sierra Forest
Intel Socket 1366
Socket
Intel Socket 4710
N/A
Integrated Graphics
N/A
Xeon (Westmere-EP)
Generation
Xeon 6(Sierra Forest-SP)

Package

1.17 billions
Transistor Count
-
32 nm
Manufacturing Process
5 nm
80 W
Power Consumption
250 W
-
Peak Operating Temperature
101°C
Intel
Foundry
Intel
239 mm²
Die Size
-
-
I/O Process Size
10 nm

CPU Performance

1.6 GHz
Performance Core Base Frequency
1.9 GHz
0
Performance Core Turbo Frequency
2.7 GHz
4
Total Core Count
144
4
Total Thread Count
144
133 MHz
Bus Frequency
100 MHz
12.0
Multiplier
19.0
64 K per core
L1 Cache
96 KB per core
256 K per core
L2 Cache
4 MB per module
4 MB shared
L3 Cache
108 MB shared
No
Unlocked Multiplier
No
2
SMP
2
-
AVX-512 FMA Ports
2

Memory Parameters

DDR3
Memory Types
DDR5-6400
-
Max Memory Size
1 TB
3
Max Memory Channels
8
Yes
ECC Memory Support
Yes

Miscellaneous

2
PCIe Version
5
-
PCIe Lanes
88

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