NVIDIA GeForce RTX 4080 16 GB vs AMD Radeon RX 640 Mobile
GPU · Specs Compare
Graphics Card
Release Date
Sep 2022
May 2019
Generation
GeForce 40
Mobility Radeon
Type
Desktop
Mobile
Bus Interface
PCIe 4.0 x16
PCIe 3.0 x8
Clock Speeds
Base Clock
2205 MHz
1082 MHz
Boost Clock
2505 MHz
1218 MHz
Memory Clock
1400 MHz
1500 MHz
Memory
Memory Size
16GB
2GB
Memory Type
GDDR6X
GDDR5
Memory Bus
256bit
64bit
Bandwidth
716.8GB/s
48.00GB/s
Render Config
SM Count
76
—
Shading Units
9728
640
TMUs
304
40
ROPs
112
16
Tensor Cores
304
—
RT Cores
76
—
L1 Cache
128 KB (per SM)
16 KB (per CU)
L2 Cache
64 MB
512 KB
Compute Units
—
10
Theoretical Performance
Pixel Rate
280.6 GPixel/s
19.49 GPixel/s
Texture Rate
761.5 GTexel/s
48.72 GTexel/s
FP16 (half)
48.74 TFLOPS
1.559 TFLOPS
FP32 (float)
48.74 TFLOPS
1.559 TFLOPS
FP64 (double)
761.5 GFLOPS
97.44 GFLOPS
Graphics Processor
GPU Name
AD103
Polaris 23
GPU Variant
AD103-300-A1
Polaris 23 XT
Architecture
Ada Lovelace
GCN 4.0
Foundry
TSMC
GlobalFoundries
Process Size
4 nm
14 nm
Transistors
45.9 billion
2.2 billion
Die Size
379 mm²
103 mm²
Board Design
TDP
320W
50W
Suggested PSU
700 W
—
Outputs
1x HDMI 2.13x DisplayPort 1.4a
No outputs
Power Connectors
1x 16-pin
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
6.6
6.4
▲ Specs Compare
Data sourced from official specifications and benchmark tests.