AMD Ryzen 7 249 vs AMD Ryzen 7 255 processor comparison: performance score, cores and clock speeds, cache, TDP, integrated graphics and NPU. The better value in each row is highlighted in green.
Summary
AMD Ryzen 7 249 offers a lower TDP (28 W vs 45 W). AMD Ryzen 7 255 offers a higher clock speed (5.0 GHz vs 4.9 GHz).
Performance score
0
Coming soon
0
Coming soon
Key specs
Cores & Threads8/16
Cores & Threads8/16
Turbo4.9 GHz
Turbo5.0 GHz
L3 cache16 MB
L3 cache16 MB
TDP28 W
TDP45 W
iGPUAMD Radeon 780M
iGPUAMD Radeon 780M
General
SeriesRyzen 200
SeriesRyzen 200
CodenameHawk Point
CodenameHawk Point
CPU architectureZen 4
CPU architectureZen 4
FoundryTSMC
FoundryTSMC
Process node4 nm
Process node4 nm
Instruction setx86-64
Instruction setx86-64
Release dateJune 2, 2026
Release dateJune 2, 2026
Cores and clocks
Cores & Threads8/16
Cores & Threads8/16
8× Zen 4
- Turbo clock
- 4.9 GHz
- Base clock
- 3.1 GHz
8× Zen 4
- Turbo clock
- 5.0 GHz
- Base clock
- 3.8 GHz
Cache
L3 cache16 MB
L3 cache16 MB
L2 cache8 MB
L2 cache8 MB
L1 cache512 KB
L1 cache512 KB
TDP
TDP28 W
TDP45 W
cTDP15 - 30 W
cTDP35 - 54 W
Max temperature100 °C
Max temperature100 °C
Connectivity
Memory supportLPDDR5x-7500DDR5-5600
Memory supportLPDDR5x-7500DDR5-5600
Memory channels2
Memory channels2
PCIe version4.0
PCIe version4.0
PCIe lanes20
PCIe lanes20
Graphics
ModelAMD Radeon 780M
ModelAMD Radeon 780M
iGPU architectureRDNA 3
iGPU architectureRDNA 3
Compute units12
Compute units12
Clock2500 MHz
Clock2600 MHz
AI
Total TOPSN/A
No NPU
NPU TOPS16
iGPU TOPSN/A