AMD Radeon RX 640 Mobile vs NVIDIA A800 PCIe 80 GB
GPU · Specs Compare
Graphics Card
Release Date
May 2019
Nov 2022
Generation
Mobility Radeon
Ampere
Type
Mobile
AI GPU
Bus Interface
PCIe 3.0 x8
PCIe 4.0 x16
Clock Speeds
Base Clock
1082 MHz
1065 MHz
Boost Clock
1218 MHz
1410 MHz
Memory Clock
1500 MHz
1593 MHz
Memory
Memory Size
2GB
80GB
Memory Type
GDDR5
HBM2e
Memory Bus
64bit
5120bit
Bandwidth
48.00GB/s
2039GB/s
Render Config
Compute Units
10
—
Shading Units
640
6912
TMUs
40
432
ROPs
16
160
L1 Cache
16 KB (per CU)
192 KB (per SM)
L2 Cache
512 KB
80 MB
SM Count
—
108
Tensor Cores
—
432
Theoretical Performance
Pixel Rate
19.49 GPixel/s
225.6 GPixel/s
Texture Rate
48.72 GTexel/s
609.1 GTexel/s
FP16 (half)
1.559 TFLOPS
77.97 TFLOPS
FP32 (float)
1.559 TFLOPS
19.49 TFLOPS
FP64 (double)
97.44 GFLOPS
9.746 TFLOPS
Graphics Processor
GPU Name
Polaris 23
GA100
GPU Variant
Polaris 23 XT
—
Architecture
GCN 4.0
Ampere
Foundry
GlobalFoundries
TSMC
Process Size
14 nm
7 nm
Transistors
2.2 billion
54.2 billion
Die Size
103 mm²
826 mm²
Board Design
TDP
50W
250W
Outputs
No outputs
No outputs
Power Connectors
None
8-pin EPS
Suggested PSU
—
600 W
Graphics Features
DirectX
12 (12_0)
N/A
OpenGL
4.6
N/A
OpenCL
2.1
3.0
Vulkan
1.2
N/A
Shader Model
6.4
N/A
CUDA
—
8.0
Benchmark
Blender
—
3,719
▲ Specs Compare
Data sourced from official specifications and benchmark tests.