AMD Radeon Sky 900 vs NVIDIA A100 SXM4 80 GB
GPU Specs Compare
Graphics Card
Release Date
Mar 2013
Nov 2020
Generation
Radeon Sky
Tesla Ampere
Type
Desktop
AI GPU
Bus Interface
PCIe 3.0 x16
PCIe 4.0 x16
Clock Speeds
Base Clock
825 MHz
1275 MHz
Boost Clock
950 MHz
1410 MHz
Memory Clock
1250 MHz
1593 MHz
Memory
Memory Size
3GB
80GB
Memory Type
GDDR5
HBM2e
Memory Bus
384bit
5120bit
Bandwidth
240.0GB/s
2039GB/s
Render Config
Compute Units
28
-
Shading Units
1792
6912
TMUs
112
432
ROPs
32
160
L1 Cache
16 KB (per CU)
192 KB (per SM)
L2 Cache
768 KB
40 MB
SM Count
-
108
Tensor Cores
-
432
Theoretical Performance
Pixel Rate
30.40 GPixel/s
225.6 GPixel/s
Texture Rate
106.4 GTexel/s
609.1 GTexel/s
FP32 (float)
3.405 TFLOPS
19.49 TFLOPS
FP64 (double)
851.2 GFLOPS
9.746 TFLOPS
FP16 (half)
-
77.97 TFLOPS
Graphics Processor
GPU Name
Tahiti
GA100
GPU Variant
Orthrus
-
Architecture
GCN 1.0
Ampere
Foundry
TSMC
TSMC
Process Size
28 nm
7 nm
Transistors
4.313 billion
54.2 billion
Die Size
352 mm²
826 mm²
Board Design
TDP
300W
400W
Suggested PSU
700 W
800 W
Outputs
1x DVI1x mini-DisplayPort 1.2
No outputs
Power Connectors
2x 8-pin
None
Graphics Features
DirectX
12 (11_1)
N/A
OpenGL
4.6
N/A
OpenCL
1.2
3.0
Vulkan
1.2
N/A
Shader Model
5.1
N/A
CUDA
-
8.0