CPUBoss Review Our evaluation of D-1540 vs 4790K 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

8.8

CPUBoss Score

Combination of all six facets

Winner
Intel Core i7 4790K 

CPUBoss recommends the Intel Core i7 4790K  based on its performance, single-core performance and value.

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Front view of Intel Core i7 4790K

Intel Core i7 4790K

CPUBoss Winner

Differences What are the advantages of each

Front view of Intel Xeon D-1540

Reasons to consider the
Intel Xeon D-1540

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Significantly more l2 cache 2 MB vs 1 MB 2x more l2 cache; more data can be stored in the l2 cache for quick access later
Significantly newer manufacturing process 14 nm vs 22 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Much lower typical power consumption 36.56W vs 71.5W Around 50% lower typical power consumption
More l3 cache 12 MB vs 8 MB 50% more l3 cache; more data can be stored in the l3 cache for quick access later
More cores 8 vs 4 Twice as many cores; run more applications at once
More threads 16 vs 8 Twice as many threads
Supports trusted computing Yes vs No Somewhat common; Allows for safer, more reliable computing
Higher Maximum operating temperature 80 °C vs 74.04 °C Around 10% higher Maximum operating temperature
Much lower annual home energy cost 10.84 $/year vs 21.2 $/year Around 50% lower annual home energy cost
Much lower annual commercial energy cost 39.42 $/year vs 77.09 $/year Around 50% lower annual commercial energy cost
Supports more RAM 131,072 MB vs 32,768 MB Supports 4x more RAM
Newer Mar, 2015 vs Apr, 2014 Release date 11 months later
Front view of Intel Core i7 4790K

Reasons to consider the
Intel Core i7 4790K

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Much higher clock speed 4 GHz vs 2 GHz 2x higher clock speed
Much higher turbo clock speed 4.4 GHz vs 2.6 GHz Around 70% higher turbo clock speed
Much better performance per dollar 3.69 pt/$ vs 0.28 pt/$ More than 13x better performance per dollar
Has a built-in GPU Yes vs No Somewhat common; A separate graphics adapter is not required
Much better overclocked clock speed (Air) 4.63 GHz vs 2 GHz More than 2.2x better overclocked clock speed (Air)
Much better PassMark (Single core) score 2,530 vs 1,344 Around 90% better PassMark (Single core) score
Much better performance per watt 11.42 pt/W vs 3.64 pt/W Around 3.2x better performance per watt
More l3 cache per core 2 MB/core vs 1.5 MB/core Around 35% more l3 cache per core
Much better overclocked clock speed (Water) 4.8 GHz vs 2 GHz Around 2.5x better overclocked clock speed (Water)

Benchmarks Real world tests of Xeon D-1540 vs Core i7 4790K

GeekBench 3 (Multi-core) Data courtesy Primate Labs

Xeon D-1540
2,291
Core i7 4790K
15,490

GeekBench 3 (Single core) Data courtesy Primate Labs

GeekBench 3 (AES single core) Data courtesy Primate Labs

Xeon D-1540
2,290 MB/s
Core i7 4790K
5,140,000 MB/s

Cinebench R10 32-Bit

Xeon D-1540
31,291
Core i7 4790K
33,538

Cinebench R10 32-Bit (Single Core)

PassMark Data courtesy Passmark

Xeon D-1540
10,573
Core i7 4790K
11,194

PassMark (Single Core)

Specifications Full list of technical specs

summary

Xeon D-1540  vs
Core i7 4790K 
Clock speed 2 GHz 4 GHz
Turbo clock speed 2.6 GHz 4.4 GHz
Cores Octa core Quad core

features

Has a NX bit Yes Yes
Supports trusted computing Yes No
Has virtualization support Yes Yes
Instruction set extensions
SSE2
F16C
MMX
SSE4
AVX
SSE3
EM64T
SSE
SSE4.1
FMA3
SSE4.2
AES
AVX 2.0
Supports dynamic frequency scaling Yes Yes

power consumption

TDP 45W 88W
Annual home energy cost 10.84 $/year 21.2 $/year
Annual commercial energy cost 39.42 $/year 77.09 $/year
Performance per watt 3.64 pt/W 11.42 pt/W
Typical power consumption 36.56W 71.5W

bus

Architecture DMI 2.0 DMI 2.0
Number of links 1 0

details

Xeon D-1540  vs
Core i7 4790K 
Architecture x86-64 x86-64
Threads 16 8
L2 cache 2 MB 1 MB
L2 cache per core 0.25 MB/core 0.25 MB/core
L3 cache 12 MB 8 MB
L3 cache per core 1.5 MB/core 2 MB/core
Manufacture process 14 nm 22 nm
Max CPUs 1 1
Operating temperature Unknown - 80°C Unknown - 74.04°C

overclocking

Overclocked clock speed 2 GHz 4.63 GHz
Overclocked clock speed (Water) 2 GHz 4.8 GHz
Overclocked clock speed (Air) 2 GHz 4.63 GHz

integrated graphics

GPU None GPU
Label N/A Intel® HD Graphics 4600
Number of displays supported N/A 3
GPU clock speed N/A 350 MHz
Turbo clock speed N/A 1,250 MHz

memory controller

Memory controller Built-in Built-in
Channels Dual Channel Dual Channel
Supports ECC Yes No
Maximum memory size 131,072 MB 32,768 MB
Intel Xeon D-1540
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Intel Core i7 4790K
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