Home Comparison Intel Xeon L5638 vs Intel Xeon D 1521

Intel Xeon L5638 vs Intel Xeon D 1521

Intel Xeon L5638
VS
Intel Xeon D 1521
Intel Xeon L5638
Intel Xeon D-1521
We compared two server CPUs: Intel Xeon L5638 with 6 cores 2GHz and Intel Xeon D 1521 with 4 cores 2.4GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Intel Xeon L5638 's Advantages
Larger L3 cache size (12MB vs 1.5MB)
Intel Xeon D 1521 's Advantages
Released 5 years and 8 months late
Higher specification of memory (4 vs 3)
Newer PCIe version (3 vs 2)
Higher base frequency (2.4GHz vs 2GHz)
More modern manufacturing process (14nm vs 32nm)
Lower TDP (45W vs 60W)

Score

Benchmark

Geekbench 6 Single Core
Intel Xeon L5638
385
Intel Xeon D 1521 +132%
896
Geekbench 6 Multi Core
Intel Xeon L5638
2487
Intel Xeon D 1521 +31%
3261
Intel Xeon L5638
VS
Intel Xeon D 1521

General Parameters

Mar 2010
Release Date
Nov 2015
Intel
Manufacturer
Intel
Server
Type
Server
Westmere-EP
Core Architecture
Broadwell
Intel Socket 1366
Socket
Intel BGA 1667
N/A
Integrated Graphics
N/A
Xeon (Westmere-EP)
Generation
Xeon D (Broadwell-DE)

Package

1.17 billions
Transistor Count
3.2 billions
32 nm
Manufacturing Process
14 nm
60 W
Power Consumption
45 W
-
Peak Operating Temperature
80 °C
Intel
Foundry
Intel
239 mm²
Die Size
246 mm²

CPU Performance

2 GHz
Performance Core Base Frequency
2.4 GHz
2.4 GHz
Performance Core Turbo Frequency
2.7 GHz
6
Total Core Count
4
12
Total Thread Count
8
133 MHz
Bus Frequency
100 MHz
15.0
Multiplier
24.0
64 K per core
L1 Cache
64 K per core
256 K per core
L2 Cache
256 K per core
12 MB shared
L3 Cache
1.5 MB per core
No
Unlocked Multiplier
No
2
SMP
1

Memory Parameters

DDR3
Memory Types
DDR3,DDR4
3
Max Memory Channels
2
Yes
ECC Memory Support
Yes

Miscellaneous

2
PCIe Version
3
-
PCIe Lanes
24

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