NVIDIA GeForce RTX 4090 Mobile vs AMD Radeon R9 M290X
GPU · Specs Compare
Graphics Card
Release Date
Jan 2023
Jan 2014
Generation
GeForce 40 Mobile
Gem System
Type
Mobile
Mobile
Bus Interface
PCIe 4.0 x16
PCIe 3.0 x16
Clock Speeds
Base Clock
1335 MHz
850 MHz
Boost Clock
1695 MHz
900 MHz
Memory Clock
2250 MHz
1200 MHz
Memory
Memory Size
16GB
4GB
Memory Type
GDDR6
GDDR5
Memory Bus
256bit
256bit
Bandwidth
576.0GB/s
153.6GB/s
Render Config
SM Count
76
—
Shading Units
9728
1280
TMUs
304
80
ROPs
112
32
Tensor Cores
304
—
RT Cores
76
—
L1 Cache
128 KB (per SM)
16 KB (per CU)
L2 Cache
64 MB
512 KB
Compute Units
—
20
Theoretical Performance
Pixel Rate
189.8 GPixel/s
28.80 GPixel/s
Texture Rate
515.3 GTexel/s
72.00 GTexel/s
FP16 (half)
32.98 TFLOPS
—
FP32 (float)
32.98 TFLOPS
2.304 TFLOPS
FP64 (double)
515.3 GFLOPS
144.0 GFLOPS
Graphics Processor
GPU Name
AD103
Neptune
GPU Variant
GN21-X11
Neptune XT(216-0847000)
Architecture
Ada Lovelace
GCN 1.0
Foundry
TSMC
TSMC
Process Size
5 nm
28 nm
Transistors
45.9 billion
2.8 billion
Die Size
379 mm²
212 mm²
Board Design
TDP
120W
100W
Outputs
Portable Device Dependent
Portable Device Dependent
Power Connectors
None
None
Graphics Features
DirectX
12 Ultimate (12_2)
12 (11_1)
OpenGL
4.6
4.6
OpenCL
3.0
2.1 (1.2)
Vulkan
1.3
1.2.170
CUDA
8.9
—
Shader Model
6.8
6.5 (5.1)
▲ Specs Compare
Data sourced from official specifications and benchmark tests.