AMD Radeon R9 M390X vs NVIDIA GeForce RTX 4070 Max-Q
GPU · Specs Compare
Graphics Card
Release Date
May 2015
Jan 2023
Generation
Crystal System
GeForce 40 Mobile
Type
Mobile
Mobile
Bus Interface
PCIe 3.0 x16
PCIe 4.0 x8
Clock Speeds
Memory Clock
1250 MHz
2000 MHz
Base Clock
—
735 MHz
Boost Clock
—
1230 MHz
Memory
Memory Size
4GB
8GB
Memory Type
GDDR5
GDDR6
Memory Bus
256bit
128bit
Bandwidth
160.0GB/s
256.0GB/s
Render Config
Compute Units
32
—
Shading Units
2048
4608
TMUs
128
144
ROPs
32
48
L1 Cache
16 KB (per CU)
128 KB (per SM)
L2 Cache
512 KB
32 MB
SM Count
—
36
Tensor Cores
—
144
RT Cores
—
36
Theoretical Performance
Pixel Rate
23.14 GPixel/s
59.04 GPixel/s
Texture Rate
92.54 GTexel/s
177.1 GTexel/s
FP16 (half)
2.961 TFLOPS
11.34 TFLOPS
FP32 (float)
2.961 TFLOPS
11.34 TFLOPS
FP64 (double)
185.1 GFLOPS
177.1 GFLOPS
Graphics Processor
GPU Name
Amethyst
AD106
GPU Variant
Amethyst XT
GN21-X6
Architecture
GCN 3.0
Ada Lovelace
Foundry
TSMC
TSMC
Process Size
28 nm
5 nm
Transistors
5 billion
22.9 billion
Die Size
366 mm²
188 mm²
Board Design
TDP
75W
35W
Outputs
No outputs
Portable Device Dependent
Power Connectors
None
None
Graphics Features
DirectX
12 (12_0)
12 Ultimate (12_2)
OpenGL
4.6
4.6
OpenCL
2.0
3.0
Vulkan
1.2
1.3
Shader Model
6.3
6.8
CUDA
—
8.9
▲ Specs Compare
Data sourced from official specifications and benchmark tests.