Home Comparison AMD Ryzen 9 7940HS vs Intel Core i7 1255U

AMD Ryzen 9 7940HS vs Intel Core i7 1255U

We compared two laptop CPUs: AMD Ryzen 9 7940HS with 8 cores 4.0GHz and Intel Core i7 1255U with 10 cores 1.7GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

AMD Ryzen 9 7940HS 's Advantages
Released 1 years and 2 months late
Better graphics card performance
Higher specification of memory (7500 vs 5200)
Larger memory bandwidth (89.6GB/s vs 76.8GB/s)
Higher base frequency (4.0GHz vs 1.7GHz)
Larger L3 cache size (16MB vs 12MB)
More modern manufacturing process (4nm vs 10nm)
Intel Core i7 1255U 's Advantages
Lower TDP (15W vs 54W)

Score

Benchmark

Cinebench R23 Single Core
AMD Ryzen 9 7940HS +6%
1804
Intel Core i7 1255U
1701
Cinebench R23 Multi Core
AMD Ryzen 9 7940HS +92%
15820
Intel Core i7 1255U
8233
Geekbench 6 Single Core
AMD Ryzen 9 7940HS +12%
2534
Intel Core i7 1255U
2248
Geekbench 6 Multi Core
AMD Ryzen 9 7940HS +79%
12852
Intel Core i7 1255U
7162
Blender
AMD Ryzen 9 7940HS +128%
286
Intel Core i7 1255U
125
Geekbench 5 Single Core
AMD Ryzen 9 7940HS +23%
2010
Intel Core i7 1255U
1628
Geekbench 5 Multi Core
AMD Ryzen 9 7940HS +67%
12376
Intel Core i7 1255U
7372
Passmark CPU Single Core
AMD Ryzen 9 7940HS +18%
3910
Intel Core i7 1255U
3308
Passmark CPU Multi Core
AMD Ryzen 9 7940HS +121%
30545
Intel Core i7 1255U
13792
VS

General Parameters

Apr 2023
Release Date
Feb 2022
AMD
Manufacturer
Intel
Laptop
Type
Laptop
x86-64
Instruction Set
x86-64
Zen 4 (Phoenix)
Core Architecture
Alder Lake
-
Processor Number
i7-1255U
FP8
Socket
BGA-1744
Radeon 780M
Integrated Graphics
Iris Xe Graphics (96EU)

Package

25 billions
Transistor Count
-
4 nm
Manufacturing Process
10 nm
35-54 W
Power Consumption
12-15 W
-
Max Turbo Power Consumption
55 W
100°C
Peak Operating Temperature
100°C

CPU Performance

8
Performance Cores
2
16
Performance Core Threads
4
4.0 GHz
Performance Core Base Frequency
1.7 GHz
5.2 GHz
Performance Core Turbo Frequency
4.7 GHz
-
Efficiency Cores
8
-
Efficiency Core Threads
8
-
Efficiency Core Base Frequency
1.2 GHz
-
Efficiency Core Turbo Frequency
3.5 GHz
8
Total Core Count
10
16
Total Thread Count
12
100 MHz
Bus Frequency
100 MHz
40x
Multiplier
17x
64 K per core
L1 Cache
80 K per core
8 MB
L2 Cache
1280 K per core
16 MB
L3 Cache
12 MB shared
No
Unlocked Multiplier
No

Memory Parameters

DDR5-5600, LPDDR5x-7500
Memory Types
DDR5-4800, DDR4-3200, LPDDR5-5200, LPDDR4x-4267
256 GB
Max Memory Size
64 GB
2
Max Memory Channels
2
89.6 GB/s
Max Memory Bandwidth
76.8 GB/s
No
ECC Memory Support
No

Graphics Card Parameters

true
Integrated Graphics
true
800 MHz
GPU Base Frequency
300 MHz
2800 MHz
GPU Max Dynamic Frequency
1250 MHz
768
Shader Units
768
48
Texture Units
48
32
Raster Operation Units
24
12
Execution Units
96
15
Power Consumption
15 W
7680x4320 - 60 Hz
Max Resolution
-
8.12 TFLOPS
Graphics Performance
1.69 TFLOPS

AI Accelerator

AMD Ryzen™ AI
NPU
-
10 TOPS
Theoretical performance
-

Miscellaneous

4.0
PCIe Version
4.0
20
PCIe Lanes
20

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