AMD Radeon R9 M395X Mac Edition vs NVIDIA GeForce RTX 5090 Mobile
GPU · Specs Compare
Graphics Card
Release Date
May 2015
Mar 2025
Generation
Crystal System
GeForce 50 Mobile
Type
Mobile
Mobile
Bus Interface
MXM-B (3.0)
PCIe 5.0 x16
Clock Speeds
Memory Clock
1365 MHz
1750 MHz
Base Clock
—
990 MHz
Boost Clock
—
1515 MHz
Memory
Memory Size
4GB
24GB
Memory Type
GDDR5
GDDR7
Memory Bus
256bit
256bit
Bandwidth
174.7GB/s
896.0GB/s
Render Config
Compute Units
32
—
Shading Units
2048
10496
TMUs
128
328
ROPs
32
112
L1 Cache
16 KB (per CU)
128 KB (per SM)
L2 Cache
512 KB
64 MB
SM Count
—
82
Tensor Cores
—
328
RT Cores
—
82
Theoretical Performance
Pixel Rate
29.09 GPixel/s
169.7 GPixel/s
Texture Rate
116.4 GTexel/s
496.9 GTexel/s
FP16 (half)
3.723 TFLOPS
31.80 TFLOPS
FP32 (float)
3.723 TFLOPS
31.80 TFLOPS
FP64 (double)
232.7 GFLOPS
496.9 GFLOPS
Graphics Processor
GPU Name
Amethyst
GB203
GPU Variant
Amethyst XT
GN22-X11-A1
Architecture
GCN 3.0
Blackwell 2.0
Foundry
TSMC
TSMC
Process Size
28 nm
5 nm
Transistors
5 billion
45.6 billion
Die Size
366 mm²
378 mm²
Board Design
TDP
250W
95W
Outputs
No outputs
Portable Device Dependent
Power Connectors
None
None
Suggested PSU
—
550 W
Graphics Features
DirectX
12 (12_0)
12 Ultimate (12_2)
OpenGL
4.6
4.6
OpenCL
2.0
3.0
Vulkan
1.2
1.4
Shader Model
6.3
6.8
CUDA
—
12.0
Benchmark
Blender
—
8,089
▲ Specs Compare
Data sourced from official specifications and benchmark tests.