NVIDIA GeForce RTX 4090 Mobile vs AMD Radeon R9 M295X Mac Edition
GPU · Specs Compare
Graphics Card
Release Date
Jan 2023
Nov 2014
Generation
GeForce 40 Mobile
Crystal System
Type
Mobile
Mobile
Bus Interface
PCIe 4.0 x16
MXM-B (3.0)
Clock Speeds
Base Clock
1335 MHz
—
Boost Clock
1695 MHz
—
Memory Clock
2250 MHz
1362 MHz
Memory
Memory Size
16GB
4GB
Memory Type
GDDR6
GDDR5
Memory Bus
256bit
256bit
Bandwidth
576.0GB/s
174.3GB/s
Render Config
SM Count
76
—
Shading Units
9728
2048
TMUs
304
128
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
—
32
Theoretical Performance
Pixel Rate
189.8 GPixel/s
27.20 GPixel/s
Texture Rate
515.3 GTexel/s
108.8 GTexel/s
FP16 (half)
32.98 TFLOPS
3.482 TFLOPS
FP32 (float)
32.98 TFLOPS
3.482 TFLOPS
FP64 (double)
515.3 GFLOPS
217.6 GFLOPS
Graphics Processor
GPU Name
AD103
Amethyst
GPU Variant
GN21-X11
Amethyst XT
Architecture
Ada Lovelace
GCN 3.0
Foundry
TSMC
TSMC
Process Size
5 nm
28 nm
Transistors
45.9 billion
5 billion
Die Size
379 mm²
366 mm²
Board Design
TDP
120W
250W
Outputs
Portable Device Dependent
No outputs
Power Connectors
None
—
Graphics Features
DirectX
12 Ultimate (12_2)
12 (12_0)
OpenGL
4.6
4.6
OpenCL
3.0
2.0
Vulkan
1.3
1.2
CUDA
8.9
—
Shader Model
6.8
6.3
▲ Specs Compare
Data sourced from official specifications and benchmark tests.