NVIDIA L20 vs AMD Radeon RX 640 Mobile
GPU · Specs Compare
Graphics Card
Release Date
Nov 2023
May 2019
Generation
Server Ada
Mobility Radeon
Type
Desktop
Mobile
Bus Interface
PCIe 4.0 x16
PCIe 3.0 x8
Clock Speeds
Base Clock
1440 MHz
1082 MHz
Boost Clock
2520 MHz
1218 MHz
Memory Clock
2250 MHz
1500 MHz
Memory
Memory Size
48GB
2GB
Memory Type
GDDR6
GDDR5
Memory Bus
384bit
64bit
Bandwidth
864.0GB/s
48.00GB/s
Render Config
SM Count
92
—
Shading Units
11776
640
TMUs
368
40
ROPs
128
16
Tensor Cores
368
—
RT Cores
92
—
L1 Cache
128 KB (per SM)
16 KB (per CU)
L2 Cache
96 MB
512 KB
Compute Units
—
10
Theoretical Performance
Pixel Rate
322.6 GPixel/s
19.49 GPixel/s
Texture Rate
927.4 GTexel/s
48.72 GTexel/s
FP16 (half)
59.35 TFLOPS
1.559 TFLOPS
FP32 (float)
59.35 TFLOPS
1.559 TFLOPS
FP64 (double)
927.4 GFLOPS
97.44 GFLOPS
Graphics Processor
GPU Name
AD102
Polaris 23
GPU Variant
AD102
Polaris 23 XT
Architecture
Ada Lovelace
GCN 4.0
Foundry
TSMC
GlobalFoundries
Process Size
5 nm
14 nm
Transistors
76.3 billion
2.2 billion
Die Size
609 mm²
103 mm²
Board Design
TDP
275W
50W
Suggested PSU
600 W
—
Outputs
4x 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
1.4
1.2
CUDA
8.9
—
Shader Model
6.9
6.4
▲ Specs Compare
Data sourced from official specifications and benchmark tests.