NVIDIA GeForce RTX 4080 Mobile vs AMD Radeon RX 640 Mobile
GPU · Specs Compare
Graphics Card
Release Date
Jan 2023
May 2019
Generation
GeForce 40 Mobile
Mobility Radeon
Type
Mobile
Mobile
Bus Interface
PCIe 4.0 x16
PCIe 3.0 x8
Clock Speeds
Base Clock
1290 MHz
1082 MHz
Boost Clock
1665 MHz
1218 MHz
Memory Clock
2250 MHz
1500 MHz
Memory
Memory Size
12GB
2GB
Memory Type
GDDR6
GDDR5
Memory Bus
192bit
64bit
Bandwidth
432.0GB/s
48.00GB/s
Render Config
SM Count
58
—
Shading Units
7424
640
TMUs
232
40
ROPs
80
16
Tensor Cores
232
—
RT Cores
58
—
L1 Cache
128 KB (per SM)
16 KB (per CU)
L2 Cache
48 MB
512 KB
Compute Units
—
10
Theoretical Performance
Pixel Rate
133.2 GPixel/s
19.49 GPixel/s
Texture Rate
386.3 GTexel/s
48.72 GTexel/s
FP16 (half)
24.72 TFLOPS
1.559 TFLOPS
FP32 (float)
24.72 TFLOPS
1.559 TFLOPS
FP64 (double)
386.3 GFLOPS
97.44 GFLOPS
Graphics Processor
GPU Name
AD104
Polaris 23
GPU Variant
GN21-X9
Polaris 23 XT
Architecture
Ada Lovelace
GCN 4.0
Foundry
TSMC
GlobalFoundries
Process Size
5 nm
14 nm
Transistors
35.8 billion
2.2 billion
Die Size
294 mm²
103 mm²
Board Design
TDP
110W
50W
Outputs
Portable Device Dependent
No outputs
Power Connectors
None
None
Graphics Features
DirectX
12 Ultimate (12_2)
12 (12_0)
OpenGL
4.6
4.6
OpenCL
3.0
2.1
Vulkan
1.3
1.2
CUDA
8.9
—
Shader Model
6.8
6.4
▲ Specs Compare
Data sourced from official specifications and benchmark tests.