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

Intel Core i7 1255U vs AMD Ryzen 9 7940HX

Intel Core i7 1255U
VS
AMD Ryzen 9 7940HX
Intel Core i7 1255U
AMD Ryzen 9 7940HX
We compared two laptop CPUs: Intel Core i7 1255U with 10 cores 1.7GHz and AMD Ryzen 9 7940HX with 16 cores 2.4GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Intel Core i7 1255U 's Advantages
Better graphics card performance
Lower TDP (15W vs 55W)
AMD Ryzen 9 7940HX 's Advantages
Released 1 years and 11 months late
Higher specification of memory (5200 vs 5200)
Larger memory bandwidth (83.2GB/s vs 76.8GB/s)
Newer PCIe version (5.0 vs 4.0)
Higher base frequency (2.4GHz vs 1.7GHz)
Larger L3 cache size (64MB vs 12MB)
More modern manufacturing process (5nm vs 10nm)

Score

Benchmark

Cinebench R23 Single Core
Intel Core i7 1255U
1701
AMD Ryzen 9 7940HX +9%
1864
Cinebench R23 Multi Core
Intel Core i7 1255U
8233
AMD Ryzen 9 7940HX +305%
33370
Geekbench 6 Single Core
Intel Core i7 1255U
2248
AMD Ryzen 9 7940HX +19%
2688
Geekbench 6 Multi Core
Intel Core i7 1255U
7162
AMD Ryzen 9 7940HX +118%
15655
Blender
Intel Core i7 1255U
125
AMD Ryzen 9 7940HX +360%
575
Intel Core i7 1255U
VS
AMD Ryzen 9 7940HX

General Parameters

Feb 2022
Release Date
Jan 2024
Intel
Manufacturer
AMD
Laptop
Type
Laptop
x86-64
Instruction Set
x86-64
Alder Lake
Core Architecture
Zen 4 (Dragon Range)
i7-1255U
Processor Number
-
BGA-1744
Socket
AMD Socket FL1
Iris Xe Graphics (96EU)
Integrated Graphics
Radeon 610M

Package

-
Transistor Count
13.14 billions
10 nm
Manufacturing Process
5 nm
12-15 W
Power Consumption
55 W
55 W
Max Turbo Power Consumption
-
100°C
Peak Operating Temperature
100°C

CPU Performance

2
Performance Cores
16
4
Performance Core Threads
32
1.7 GHz
Performance Core Base Frequency
2.4 GHz
4.7 GHz
Performance Core Turbo Frequency
5.2 GHz
8
Efficiency Cores
-
8
Efficiency Core Threads
-
1.2 GHz
Efficiency Core Base Frequency
-
3.5 GHz
Efficiency Core Turbo Frequency
-
10
Total Core Count
16
12
Total Thread Count
32
100 MHz
Bus Frequency
100 MHz
17x
Multiplier
24
80 K per core
L1 Cache
64 K per core
1280 K per core
L2 Cache
1 MB per core
12 MB shared
L3 Cache
64 MB
No
Unlocked Multiplier
Yes

Memory Parameters

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

Graphics Card Parameters

true
Integrated Graphics
true
300 MHz
GPU Base Frequency
400 MHz
1250 MHz
GPU Max Dynamic Frequency
2200 MHz
768
Shader Units
128
48
Texture Units
8
24
Raster Operation Units
4
96
Execution Units
2
15 W
Power Consumption
15 W
1.69 TFLOPS
Graphics Performance
0.563 TFLOPS

Miscellaneous

Intel Core i7 1255U
Official Website
4.0
PCIe Version
5.0
20
PCIe Lanes
28

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