Intel Core Ultra 7 255H vs Intel Core i9 9900
CPU · Specs Compare
General Parameters
Release Date
Jan 2025
Apr 2019
Manufacturer
Intel
Intel
Type
Laptop
Desktop
Instruction Set
x86-64
x86-64
Core Architecture
Arrow Lake
Coffee Lake
Processor Number
255H
i9-9900
Integrated Graphics
Arc Graphics 140T
UHD Graphics 630
Package
Manufacturing Process
3 nm
14 nm
Socket
FCBGA-2049
LGA-1151
Power Consumption
20-28 W
65 W
Max Turbo Power Consumption
115 W
—
Peak Operating Temperature
110 °C
100 °C
CPU Performance
Performance Cores
6
8
Performance Core Threads
6
16
Performance Core Base Frequency
2.0 GHz
3.1 GHz
Performance Core Turbo Frequency
5.1 GHz
5 GHz
Efficiency Cores
10
—
Efficiency Core Threads
10
—
Efficiency Core Base Frequency
1.5 GHz
—
Efficiency Core Turbo Frequency
4.4 GHz
—
Total Core Count
16
8
Total Thread Count
16
16
Bus Frequency
100 MHz
100 MHz
Multiplier
20
31x
L1 Cache
112 K per core
64 K per core
L2 Cache
2 MB per core
256 K per core
L3 Cache
24 MB shared
16 MB shared
Unlocked Multiplier
No
No
Memory Parameters
Memory Types
LPDDR5-8400,LPDDR5x-8400,DDR5-6400
DDR4-2666
Max Memory Size
128 GB
128 GB
Max Memory Channels
2
2
ECC Memory Support
No
No
Max Memory Bandwidth
—
41.6 GB/s
Graphics Card Parameters
Integrated Graphics
true
true
GPU Max Dynamic Frequency
2250 MHz
1200 MHz
GPU Base Frequency
—
350 MHz
Shader Units
—
192
Texture Units
—
24
Raster Operation Units
—
3
Execution Units
—
24
Power Consumption
—
15 W
Max Resolution
—
4096x2304 - 60 Hz
Miscellaneous
PCIe Version
5.0
3.0
PCIe Lanes
28
16
Extended Instruction Set
—
SSE4.1, SSE4.2, AVX-2
Benchmark
Cinebench R23
2,029
—
Cinebench R23
20,521
—
Geekbench 6
2,823
1,589
Geekbench 6
15,662
7,205
Cinebench 2024
115
—
Cinebench 2024
1,102
—
Blender
278
—
Geekbench 5
—
1,265
Geekbench 5
—
7,910
Passmark CPU
—
2,833
Passmark CPU
—
16,692
▲ Specs Compare
Data sourced from official specifications and benchmark tests.