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Ryzen Z1 Extreme vs Ryzen 9 7945HX


Description
Both models Z1 Extreme and 7945HX are based on Zen 4 architecture.



Using the multithread performance as a reference, the Z1 Extreme gets a score of 553.4 k points while the 7945HX gets 1313.9 k points.

Summarizing, the 7945HX is 2.4 times faster than the Z1 Extreme. To get a proper comparison between both models, take a look to the data shown below.

Specs
CPUID
a70f41
a60f12
Core
Phoenix
Dragon Range
Architecture
Zen 4
Zen 4
Base frecuency
3.3 GHz
2.5 GHz
Boost frecuency
5.1 GHz
5.4 GHz
Socket
BGA
BGA-FL1
Cores/Threads
8/16
16/32
TDP
30 W
55 W
Cache L1 (d+i)
8x32+8x32 kB
16x32+16x32 kB
Cache L2
8x1024 kB
16x1024 kB
Cache L3
16384 kB
65536 kB
Date
June 2023
January 2023
Mean monothread perf.
101.73k points
113.07k points
Mean multithread perf.
553.41k points
1313.94k points

AVX2 optimized benchmark
The benchmark in mode III (AVX2), like AVX1, is optimized to used 256 bits registers beside the second version of the Advanced Vector Extensions (AVX). The first AVX2 compatible CPU was released in 2013.
Monothread
Z1 Extreme
7945HX
Test#1 (Integers)
32.74k
37.43k (x1.14)
Test#2 (FP)
27.35k
30.7k (x1.12)
Test#3 (Generic, ZIP)
14.23k
15.16k (x1.07)
Test#1 (Memory)
27.41k
29.78k (x1.09)
TOTAL
101.73k
113.07k (x1.11)

Multithread

Z1 Extreme

7945HX
Test#1 (Integers)
236.69k
556.68k (x2.35)
Test#2 (FP)
202.63k
482.32k (x2.38)
Test#3 (Generic, ZIP)
102.8k
225.46k (x2.19)
Test#1 (Memory)
11.28k
49.48k (x4.39)
TOTAL
553.41k
1313.94k (x2.37)

Performance/W
Z1 Extreme
7945HX
Test#1 (Integers)
7890 points/W
10121 points/W
Test#2 (FP)
6754 points/W
8770 points/W
Test#3 (Generic, ZIP)
3427 points/W
4099 points/W
Test#1 (Memory)
376 points/W
900 points/W
TOTAL
18447 points/W
23890 points/W

Performance/GHz
Z1 Extreme
7945HX
Test#1 (Integers)
6419 points/GHz
6932 points/GHz
Test#2 (FP)
5363 points/GHz
5685 points/GHz
Test#3 (Generic, ZIP)
2789 points/GHz
2807 points/GHz
Test#1 (Memory)
5375 points/GHz
5515 points/GHz
TOTAL
19946 points/GHz
20939 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