Home GPU Comparison AMD Radeon RX 7900M vs NVIDIA GeForce RTX 3080 Ti Mobile

AMD Radeon RX 7900M vs NVIDIA GeForce RTX 3080 Ti Mobile

We compared two Mobile platform GPUs: 16GB VRAM Radeon RX 7900M and 16GB VRAM GeForce RTX 3080 Ti Mobile to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 7900M 's Advantages
Released 1 years and 9 months late
Boost Clock has increased by 66% (2090MHz vs 1260MHz)
Larger VRAM bandwidth (576.0GB/s vs 512.0GB/s)
NVIDIA GeForce RTX 3080 Ti Mobile 's Advantages
2816 additional rendering cores
Lower TDP (115W vs 180W)

Score

Benchmark

FP32 (float)
Radeon RX 7900M +105%
38.52 TFLOPS
GeForce RTX 3080 Ti Mobile
18.71 TFLOPS
Blender
Radeon RX 7900M
2583
GeForce RTX 3080 Ti Mobile +44%
3726
VS

Graphics Card

Oct 2023
Release Date
Jan 2022
Navi Mobile
Generation
GeForce 30 Mobile
Mobile
Type
Mobile
PCIe 4.0 x16
Bus Interface
PCIe 4.0 x16

Clock Speeds

1825 MHz
Base Clock
810 MHz
2090 MHz
Boost Clock
1260 MHz
2250 MHz
Memory Clock
2000 MHz

Memory

16GB
Memory Size
16GB
GDDR6
Memory Type
GDDR6
256bit
Memory Bus
256bit
576.0GB/s
Bandwidth
512.0GB/s

Render Config

72
Compute Units
-
-
SM Count
58
4608
Shading Units
7424
288
TMUs
232
192
ROPs
96
-
Tensor Cores
232
72
RT Cores
58
256 KB per Array
L1 Cache
128 KB (per SM)
6 MB
L2 Cache
4 MB
64 MB
L3 Cache
-

Theoretical Performance

401.3 GPixel/s
Pixel Rate
121.0 GPixel/s
601.9 GTexel/s
Texture Rate
292.3 GTexel/s
77.05 TFLOPS
FP16 (half)
18.71 TFLOPS
38.52 TFLOPS
FP32 (float)
18.71 TFLOPS
1204 GFLOPS
FP64 (double)
292.3 GFLOPS

Board Design

180W
TDP
115W
-
-
-
Portable Device Dependent
Outputs
No outputs
None
Power Connectors
None

Graphics Processor

Navi 31
GPU Name
GA103S
Navi 31
GPU Variant
GN20-E8-A1
RDNA 3.0
Architecture
Ampere
TSMC
Foundry
Samsung
5 nm
Process Size
8 nm
57.7 billion
Transistors
Unknown
529 mm²
Die Size
496 mm²

Graphics Features

12 Ultimate (12_2)
DirectX
12 Ultimate (12_2)
4.6
OpenGL
4.6
2.2
OpenCL
3.0
1.3
Vulkan
1.3
-
CUDA
8.6
6.7
Shader Model
6.5

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