CPUBoss Review Our evaluation of E5-1620 vs D-1521 among all CPUs

Performance

Benchmark performance using all cores

PCMark 8 Home 3.0 Accelerated, PassMark and 1 more

Single-core Performance

Individual core benchmark performance

PassMark (Single Core), Geekbench 3 Single Core and 1 more

Integrated Graphics

Integrated GPU performance for graphics

Sky Diver and Cloud Gate

Integrated Graphics (OpenCL)

Integrated GPU performance for parallel computing

CompuBench 1.5 Bitcoin mining and 4 more

Performance per Watt

How efficiently does the processor use electricity?

Sky Diver, Cloud Gate, CompuBench 1.5 Bitcoin mining and 11 more

Value

Are you paying a premium for performance?

Sky Diver, Cloud Gate, CompuBench 1.5 Bitcoin mining and 11 more

5.6

CPUBoss Score

Combination of all six facets

Winner
Intel Xeon E5-1620 

CPUBoss recommends the Intel Xeon E5-1620  based on its performance, single-core performance and value.

See full details

Cast your vote Do you agree or disagree with CPUBoss?

Thanks for adding your opinion. Follow us on Facebook to stay up to date with the latest news!
VS

Differences What are the advantages of each

Front view of Intel Xeon E5-1620

Reasons to consider the
Intel Xeon E5-1620

Report a correction
Significantly higher clock speed 3.6 GHz vs 2.4 GHz More than 50% higher clock speed
Significantly higher turbo clock speed 3.8 GHz vs 2.7 GHz More than 40% higher turbo clock speed
Much better performance per dollar 3.3 pt/$ vs 0.81 pt/$ More than 4x better performance per dollar
Much better overclocked clock speed (Air) 3.93 GHz vs 2.4 GHz Around 65% better overclocked clock speed (Air)
Significantly better PassMark (Single core) score 2,117 vs 1,441 More than 45% better PassMark (Single core) score
Significantly better performance per watt 7.47 pt/W vs 3.57 pt/W More than 2x better performance per watt
Better PassMark score 9,487 vs 6,980 More than 35% better PassMark score
Supports more RAM 384,000 MB vs 131,072 MB Supports around 3x more RAM
Much better overclocked clock speed (Water) 4.7 GHz vs 2.4 GHz More than 95% better overclocked clock speed (Water)
Front view of Intel Xeon D-1521

Reasons to consider the
Intel Xeon D-1521

Report a correction
Much newer manufacturing process 14 nm vs 32 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Much lower typical power consumption 36.56W vs 105.63W 2.9x lower typical power consumption
Newer Oct, 2015 vs Mar, 2012 Release date over 3 years later
Much lower annual home energy cost 10.84 $/year vs 31.32 $/year 2.9x lower annual home energy cost
Much lower annual commercial energy cost 39.42 $/year vs 113.88 $/year 2.9x lower annual commercial energy cost

Benchmarks Real world tests of Xeon E5-1620 vs D-1521

GeekBench 3 (Multi-core) Data courtesy Primate Labs

Xeon E5-1620
12,397
Xeon D-1521
5,222

GeekBench 3 (Single core) Data courtesy Primate Labs

GeekBench 3 (AES single core) Data courtesy Primate Labs

Xeon E5-1620
2,460,000 MB/s
Xeon D-1521
3,140 MB/s

PassMark Data courtesy Passmark

PassMark (Single Core)

Specifications Full list of technical specs

summary

Xeon E5-1620  vs
D-1521 
Clock speed 3.6 GHz 2.4 GHz
Turbo clock speed 3.8 GHz 2.7 GHz
Cores Quad core Quad core

features

Has a NX bit Yes Yes
Supports trusted computing Yes Yes
Has virtualization support Yes Yes
Instruction set extensions
SSE2
MMX
AVX
SSE3
SSE
SSE4.1
SSE4.2
Supplemental SSE3
AES
AVX 2.0
Supports dynamic frequency scaling Yes Yes

power consumption

TDP 130W 45W
Annual home energy cost 31.32 $/year 10.84 $/year
Annual commercial energy cost 113.88 $/year 39.42 $/year
Performance per watt 7.47 pt/W 3.57 pt/W
Typical power consumption 105.63W 36.56W

bus

Architecture QPI FSB
Number of links 0 1

details

Xeon E5-1620  vs
D-1521 
Architecture x86-64 x86-64
Threads 8 8
Manufacture process 32 nm 14 nm
Max CPUs 1 1

overclocking

Overclocked clock speed 3.93 GHz 2.4 GHz
Overclocked clock speed (Water) 4.7 GHz 2.4 GHz
Overclocked clock speed (Air) 3.93 GHz 2.4 GHz

integrated graphics

GPU None None
Label N/A N/A
Latest DirectX N/A N/A
Number of displays supported N/A N/A
GPU clock speed N/A N/A
Turbo clock speed N/A N/A
3DMark06 N/A N/A

memory controller

Memory controller Built-in Built-in
Memory type
DDR3-1600
DDR3-1333
DDR3-1066
DDR3
DDR3-800
Channels Quad Channel Dual Channel
Supports ECC Yes Yes
Maximum bandwidth 51,200 MB/s 12,800 MB/s
Maximum memory size 384,000 MB 131,072 MB
Intel Xeon E5-1620
Report a correction
Intel Xeon D-1521
Report a correction

Comments

comments powered by Disqus