Home GPU Comparison NVIDIA GeForce RTX 4090 Mobile vs AMD Radeon RX Vega M GH

NVIDIA GeForce RTX 4090 Mobile vs AMD Radeon RX Vega M GH

We compared two Mobile platform GPUs: 16GB VRAM GeForce RTX 4090 Mobile and 4GB VRAM Radeon RX Vega M GH to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce RTX 4090 Mobile 's Advantages
Released 4 years and 11 months late
Boost Clock has increased by 42% (1695MHz vs 1190MHz)
More VRAM (16GB vs 4GB)
Larger VRAM bandwidth (576.0GB/s vs 204.8GB/s)
8192 additional rendering cores
AMD Radeon RX Vega M GH 's Advantages
Lower TDP (100W vs 120W)

Score

Benchmark

FP32 (float)
GeForce RTX 4090 Mobile +802%
32.98 TFLOPS
Radeon RX Vega M GH
3.656 TFLOPS
VS

Graphics Card

Jan 2023
Release Date
Feb 2018
GeForce 40 Mobile
Generation
Vega
Mobile
Type
Mobile
PCIe 4.0 x16
Bus Interface
IGP

Clock Speeds

1335 MHz
Base Clock
1063 MHz
1695 MHz
Boost Clock
1190 MHz
2250 MHz
Memory Clock
800 MHz

Memory

16GB
Memory Size
4GB
GDDR6
Memory Type
HBM2
256bit
Memory Bus
1024bit
576.0GB/s
Bandwidth
204.8GB/s

Render Config

76
SM Count
-
-
Compute Units
24
9728
Shading Units
1536
304
TMUs
96
112
ROPs
64
304
Tensor Cores
-
76
RT Cores
-
128 KB (per SM)
L1 Cache
16 KB (per CU)
64 MB
L2 Cache
1024 KB

Theoretical Performance

189.8 GPixel/s
Pixel Rate
76.16 GPixel/s
515.3 GTexel/s
Texture Rate
114.2 GTexel/s
32.98 TFLOPS
FP16 (half)
3.656 TFLOPS
32.98 TFLOPS
FP32 (float)
3.656 TFLOPS
515.3 GFLOPS
FP64 (double)
228.5 GFLOPS

Graphics Processor

AD103
GPU Name
Polaris 22
GN21-X11
GPU Variant
VegaM XT (C7398773)
Ada Lovelace
Architecture
GCN 4.0
TSMC
Foundry
GlobalFoundries
4 nm
Process Size
14 nm
45.9 billion
Transistors
5 billion
379 mm²
Die Size
208 mm²

Board Design

120W
TDP
100W
-
Suggested PSU
-
Portable Device Dependent
Outputs
No outputs
None
Power Connectors
-

Graphics Features

12 Ultimate (12_2)
DirectX
12 (12_0)
4.6
OpenGL
4.6
3.0
OpenCL
2.1
1.3
Vulkan
1.2
8.9
CUDA
-
6.7
Shader Model
6.4

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