AMD Radeon RX 640 Mobile vs NVIDIA GeForce RTX 4080 Mobile
GPU · Specs Compare
Graphics Card
Release Date
May 2019
Jan 2023
Generation
Mobility Radeon
GeForce 40 Mobile
Type
Mobile
Mobile
Bus Interface
PCIe 3.0 x8
PCIe 4.0 x16
Clock Speeds
Base Clock
1082 MHz
1290 MHz
Boost Clock
1218 MHz
1665 MHz
Memory Clock
1500 MHz
2250 MHz
Memory
Memory Size
2GB
12GB
Memory Type
GDDR5
GDDR6
Memory Bus
64bit
192bit
Bandwidth
48.00GB/s
432.0GB/s
Render Config
Compute Units
10
—
Shading Units
640
7424
TMUs
40
232
ROPs
16
80
L1 Cache
16 KB (per CU)
128 KB (per SM)
L2 Cache
512 KB
48 MB
SM Count
—
58
Tensor Cores
—
232
RT Cores
—
58
Theoretical Performance
Pixel Rate
19.49 GPixel/s
133.2 GPixel/s
Texture Rate
48.72 GTexel/s
386.3 GTexel/s
FP16 (half)
1.559 TFLOPS
24.72 TFLOPS
FP32 (float)
1.559 TFLOPS
24.72 TFLOPS
FP64 (double)
97.44 GFLOPS
386.3 GFLOPS
Graphics Processor
GPU Name
Polaris 23
AD104
GPU Variant
Polaris 23 XT
GN21-X9
Architecture
GCN 4.0
Ada Lovelace
Foundry
GlobalFoundries
TSMC
Process Size
14 nm
5 nm
Transistors
2.2 billion
35.8 billion
Die Size
103 mm²
294 mm²
Board Design
TDP
50W
110W
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
2.1
3.0
Vulkan
1.2
1.3
Shader Model
6.4
6.8
CUDA
—
8.9
▲ Specs Compare
Data sourced from official specifications and benchmark tests.