NVIDIA GeForce RTX 4090 Mobile vs AMD Radeon RX 9070 XT
GPU Specs Compare
Graphics Card
Release Date
Jan 2023
Mar 2025
Generation
GeForce 40 Mobile
Navi IV
Type
Mobile
Desktop
Bus Interface
PCIe 4.0 x16
PCIe 5.0 x16
Clock Speeds
Base Clock
1335 MHz
1660 MHz
Boost Clock
1695 MHz
2970 MHz
Memory Clock
2250 MHz
2518 MHz
Memory
Memory Size
16GB
16GB
Memory Type
GDDR6
GDDR6
Memory Bus
256bit
256bit
Bandwidth
576.0GB/s
644.6GB/s
Render Config
SM Count
76
-
Shading Units
9728
4096
TMUs
304
256
ROPs
112
128
Tensor Cores
304
128
RT Cores
76
64
L1 Cache
128 KB (per SM)
128
L2 Cache
64 MB
8 MB
Compute Units
-
64
L3 Cache
-
64 MB
Theoretical Performance
Pixel Rate
189.8 GPixel/s
380.2 GPixel/s
Texture Rate
515.3 GTexel/s
760.3 GTexel/s
FP16 (half)
32.98 TFLOPS
97.32 TFLOPS
FP32 (float)
32.98 TFLOPS
48.66 TFLOPS
FP64 (double)
515.3 GFLOPS
1.521 TFLOPS
Graphics Processor
GPU Name
AD103
Navi 48
GPU Variant
GN21-X11
Navi 48 XTX
Architecture
Ada Lovelace
RDNA 4.0
Foundry
TSMC
TSMC
Process Size
5 nm
4 nm
Transistors
45.9 billion
53.9 billion
Die Size
379 mm²
357 mm²
Board Design
TDP
120W
304W
Outputs
Portable Device Dependent
1x HDMI 2.1b3x DisplayPort 2.1a
Power Connectors
None
2x 8-pin
Suggested PSU
-
700 W
Graphics Features
DirectX
12 Ultimate (12_2)
12 Ultimate (12_2)
OpenGL
4.6
4.6
OpenCL
3.0
2.2
Vulkan
1.3
1.4
CUDA
8.9
-
Shader Model
6.8
6.8
📊 Benchmark
3DMark Time Spy
-
30,445
3DMark Time Spy Extreme
-
14,633
3DMark Speed Way
-
6,403