AMD Radeon RX 7800M vs AMD Radeon RX 7900M graphics comparison: performance score, cores and clock speeds, VRAM, TGP, cache, and RT and AI units. The better value in each row is highlighted in green.
Summary
AMD Radeon RX 7800M offers a higher boost clock (2539 MHz vs 2090 MHz) and higher AI performance (78 TOPS vs 77 TOPS). AMD Radeon RX 7900M offers more compute units (Stream processors: 4608 vs 3840), more VRAM (16 GB vs 12 GB), a wider memory bus (256 bit vs 192 bit), higher memory bandwidth (576 GB/s vs 432 GB/s), and more L2 cache (6 MB vs 4 MB).
Performance score
0
Coming soon
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Key specs
Stream processors3840
Stream processors4608
Boost2539 MHz
Boost2090 MHz
VRAM12 GB
VRAM16 GB
Memory bus192 bit
Memory bus256 bit
TGP180 W
TGP180 W
MemoryGDDR6
MemoryGDDR6
General
SeriesRX 7000 Mobile
SeriesRX 7000 Mobile
GPU architectureRDNA 3
GPU architectureRDNA 3
GPU chipNavi 32
GPU chipNavi 31
Chip variantNavi 32 XEM
Chip variantNavi 31 XM
FoundryTSMC
FoundryTSMC
Process node5 nm
Process node5 nm
Die size346 mm²
Die size529 mm²
Transistors28.1 billion
Transistors53.9 billion
InterfacePCIe 4.0 x16
InterfacePCIe 4.0 x16
Release dateSeptember 11, 2024
Release dateOctober 19, 2023
Cores and clocks
Stream processors3840
Stream processors4608
60× CU
72× CU
Boost clock2539 MHz
Boost clock2090 MHz
Game clock2145 MHz
Game clock1825 MHz
Memory
VRAM12 GB
VRAM16 GB
MemoryGDDR6
MemoryGDDR6
Memory bus192 bit
Memory bus256 bit
Memory speed18 Gb/s
Memory speed18 Gb/s
Bandwidth432 GB/s
Bandwidth576 GB/s
TGP
TGP range180 W
TGP range180 W
Cache
L2 cache4 MB
L2 cache6 MB
Infinity Cache48 MB
Infinity Cache64 MB
Units
TMUs240
TMUs288
ROPs96
ROPs192
RT units60
RT units72
AI accelerators120
AI accelerators144
Compute units60
Compute units72
AI
AI performance78 TOPS
AI performance77 TOPS