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Core i7-3770K vs i7-4820K


Description
Both models i7-3770K and i7-4820K are based on Ivy Bridge architecture.

"Ivy Bridge is the last Intel microarchitecture for which there is official driver support for Windows XP . It is made under 22 nm Tri-Gate transistor (""3D"") technology and is basically a Sandy Bridge shrink. It has PCI Express 3.0 support and RdRand instruction for security tasks."

Using the multithread performance as a reference, the i7-3770K gets a score of 133.9 k points while the i7-4820K gets 134.1 k points.

Summarizing, the i7-4820K is 1 times faster than the i7-3770K . To get a proper comparison between both models, take a look to the data shown below.

Specs
CPUID
306a9
306e4
Core
Ivy Bridge
Ivy Bridge -E
Architecture
Base frecuency
3.5 GHz
3.7 GHz
Boost frecuency
3.9 GHz
3.9 GHz
Socket
LGA 1155
LGA 1155
Cores/Threads
4/8
4/8
TDP
77 W
130 W
Cache L1 (d+i)
4x62+4x32 kB
32+32 kB
Cache L2
4x256 kB
256 kB
Cache L3
8192 kB
8192 kB
Date
April 2012
September 2013
Mean monothread perf.
36.19k points
32.49k points
Mean multithread perf.
133.88k points
134.08k points

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
i7-3770K
i7-4820K
Test#1 (Integers)
12.99k
11.85k (x0.91)
Test#2 (FP)
12.42k
11.84k (x0.95)
Test#3 (Generic, ZIP)
5.04k
4.69k (x0.93)
Test#1 (Memory)
5.73k
4.12k (x0.72)
TOTAL
36.19k
32.49k (x0.9)

Multithread

i7-3770K

i7-4820K
Test#1 (Integers)
50.36k
47.65k (x0.95)
Test#2 (FP)
55.16k
54.81k (x0.99)
Test#3 (Generic, ZIP)
23.31k
21.56k (x0.92)
Test#1 (Memory)
5.05k
10.05k (x1.99)
TOTAL
133.88k
134.08k (x1)

Performance/W
i7-3770K
i7-4820K
Test#1 (Integers)
654 points/W
367 points/W
Test#2 (FP)
716 points/W
422 points/W
Test#3 (Generic, ZIP)
303 points/W
166 points/W
Test#1 (Memory)
66 points/W
77 points/W
TOTAL
1739 points/W
1031 points/W

Performance/GHz
i7-3770K
i7-4820K
Test#1 (Integers)
3331 points/GHz
3039 points/GHz
Test#2 (FP)
3186 points/GHz
3035 points/GHz
Test#3 (Generic, ZIP)
1292 points/GHz
1201 points/GHz
Test#1 (Memory)
1470 points/GHz
1056 points/GHz
TOTAL
9280 points/GHz
8331 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. 3.11.4