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Core i7-4790K vs i7-4770K


Description
Both models i7-4790K and i7-4770K are based on Haswell architecture.

"Haswell is known as fourth-generation core too. It uses 22nm Tri-Gate FinFET (non-planar, ""3D"") technology. It includes four arithmetic logic unit (ALU) and three address generation unit (AGU). This generation is able to run Advanced Vector Extensions 2 (AVX2) instruction set among BMI1, BMI2, ABM and FMA3. At this time, Intel used new sockets: LGA 1150 for desktops and BGA1364 for the mobile CPUs."

Using the multithread performance as a reference, the i7-4790K gets a score of 164.4 k points while the i7-4770K gets 146.8 k points.

Summarizing, the i7-4790K is 1.1 times faster than the i7-4770K . To get a proper comparison between both models, take a look to the data shown below.

Specs
CPUID
306c3
306c3
Core
Haswell
Haswell
Architecture
Base frecuency
4 GHz
3.5 GHz
Boost frecuency
4.4 GHz
3.9 GHz
Socket
LGA 1150
LGA 1150
Cores/Threads
4/8
4/8
TDP
88 W
84 W
Cache L1 (d+i)
32+32 kB
32+32 kB
Cache L2
256 kB
256 kB
Cache L3
8192 kB
8192 kB
Date
May 2014
Jun 2013

Non-optimized benchmark
The benchmark in Mode 0 (FPU) measures cpu performance with non-optimized software. It uses the basic µinstructions from the i386 architecture with the i387 floating point unit. This mode is compatible with all CPUs so it's practical to compare very different CPUs
Monothread
i7-4790K
i7-4770K
Test#1 (Integers)
5065
4498 (-11.19%)
Test#2 (FP)
12626
11227 (-11.08%)
Test#3 (Generic, ZIP)
5815
5160 (-11.25%)
Test#1 (Memory)
4963
5282 (6.42%)
TOTAL
28468
26167 (-8.08%)

Multithread

i7-4790K

i7-4770K
Test#1 (Integers)
18283
16268 (-11.02%)
Test#2 (FP)
64071
58369 (-8.90%)
Test#3 (Generic, ZIP)
27522
24332 (-11.59%)
Test#1 (Memory)
7970
10424 (30.79%)
TOTAL
117844
109392 (-7.17%)

AVX optimized benchmark
The benchmark in mode II (AVX) is optimized to used 256 bits registers beside the first version of the Advanced Vector Extensions (AVX). The first AVX compatible CPU was released in 2011.
Monothread
i7-4790K
i7-4770K
Test#1 (Integers)
15800
13783 (-12.77%)
Test#2 (FP)
14346
12697 (-11.50%)
Test#3 (Generic, ZIP)
5974
5231 (-12.43%)
Test#1 (Memory)
5166
4919 (-4.78%)
TOTAL
41285
36629 (-11.28%)

Multithread

i7-4790K

i7-4770K
Test#1 (Integers)
62785
56865 (-9.43%)
Test#2 (FP)
66483
60653 (-8.77%)
Test#3 (Generic, ZIP)
26352
24020 (-8.85%)
Test#1 (Memory)
8739
5216 (-40.32%)
TOTAL
164359
146753 (-10.71%)

Performance/W
i7-4790K
i7-4770K
Test#1 (Integers)
713 points/W
677 points/W
Test#2 (FP)
755 points/W
722 points/W
Test#3 (Generic, ZIP)
299 points/W
286 points/W
Test#1 (Memory)
99 points/W
62 points/W
TOTAL
1868 points/W
1747 points/W

Performance/GHz
i7-4790K
i7-4770K
Test#1 (Integers)
3591 points/GHz
3534 points/GHz
Test#2 (FP)
3260 points/GHz
3256 points/GHz
Test#3 (Generic, ZIP)
1358 points/GHz
1341 points/GHz
Test#1 (Memory)
1174 points/GHz
1261 points/GHz
TOTAL
9383 points/GHz
9392 points/GHz

Monothread performance graph
Monothread performance graphics gives the performance vs time. They are useful to measure the time it takes to the CPU to reach the maximum performance.

Usually, CPU's performance will be steady during these tests but if it has a slow frequency strategy, the first samples will show a lower score.


Test#1 (Integers) [points vs time]

grafica bm.hardlimit.com


Test#2 (FP) [points vs time]

grafica bm.hardlimit.com


Test#3 (Generic, ZIP) [points vs time]

grafica bm.hardlimit.com


Test#1 (Memory) [points vs time]

grafica bm.hardlimit.com

Multithread performance graph
Multithread graphs measure the performance against a heavy load during certain time.

If CPU's TDP doesn't limit the frequency and the machine is properly cooled, performance should remain steady vs time. Otherwise, the performance score will oscillate or decrease over time.


Test#1 (Integers) [points vs time]

grafica bm.hardlimit.com


Test#2 (FP) [points vs time]

grafica bm.hardlimit.com


Test#3 (Generic, ZIP) [points vs time]

grafica bm.hardlimit.com


Test#1 (Memory) [points vs time]

grafica bm.hardlimit.com

Hardlimit Benchmark Central - Ver. 3.7.8