NVIDIA A800 PCIe 40 GB vs AMD Radeon RX 6650M XT
GPU Specs Compare
Graphics Card
Release Date
Nov 2022
Jan 2022
Generation
Ampere
Mobility Radeon
Type
AI GPU
Mobile
Bus Interface
PCIe 4.0 x16
PCIe 4.0 x8
Clock Speeds
Base Clock
765 MHz
2068 MHz
Boost Clock
1410 MHz
2416 MHz
Memory Clock
1215 MHz
2000 MHz
Memory
Memory Size
40GB
8GB
Memory Type
HBM2e
GDDR6
Memory Bus
5120bit
128bit
Bandwidth
1555GB/s
256.0GB/s
Render Config
SM Count
108
-
Shading Units
6912
2048
TMUs
432
128
ROPs
160
64
Tensor Cores
432
-
L1 Cache
192 KB (per SM)
128 KB per Array
L2 Cache
40 MB
2 MB
Compute Units
-
32
RT Cores
-
32
L3 Cache
-
32 MB
Theoretical Performance
Pixel Rate
225.6 GPixel/s
154.6 GPixel/s
Texture Rate
609.1 GTexel/s
309.2 GTexel/s
FP16 (half)
77.97 TFLOPS
19.79 TFLOPS
FP32 (float)
19.49 TFLOPS
9.896 TFLOPS
FP64 (double)
9.746 TFLOPS
618.5 GFLOPS
Graphics Processor
GPU Name
GA100
Navi 23
Architecture
Ampere
RDNA 2.0
Foundry
TSMC
TSMC
Process Size
7 nm
7 nm
Transistors
54.2 billion
11.06 billion
Die Size
826 mm²
237 mm²
Board Design
TDP
250W
120W
Suggested PSU
600 W
-
Outputs
No outputs
No outputs
Power Connectors
8-pin EPS
None
Graphics Features
DirectX
N/A
12 Ultimate (12_2)
OpenGL
N/A
4.6
OpenCL
3.0
2.1
Vulkan
N/A
1.3
CUDA
8.0
-
Shader Model
N/A
6.5