AMD Radeon R9 285 vs NVIDIA A100 PCIe 80 GB
GPU · Specs Compare
Graphics Card
Release Date
Sep 2014
Jun 2021
Generation
Volcanic Islands
Tesla Ampere(Axx)
Type
Desktop
Professional
Bus Interface
PCIe 3.0 x16
PCIe 4.0 x16
Clock Speeds
Memory Clock
1375 MHz
1512 MHz
Base Clock
—
1065 MHz
Boost Clock
—
1410 MHz
Memory
Memory Size
2GB
80GB
Memory Type
GDDR5
HBM2e
Memory Bus
256bit
5120bit
Bandwidth
176.0GB/s
1.94TB/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
512 KB
80 MB
SM Count
—
108
Tensor Cores
—
432
Theoretical Performance
Pixel Rate
29.38 GPixel/s
225.6 GPixel/s
Texture Rate
102.8 GTexel/s
609.1 GTexel/s
FP16 (half)
3.290 TFLOPS
77.97 TFLOPS
FP32 (float)
3.290 TFLOPS
19.49 TFLOPS
FP64 (double)
205.6 GFLOPS
9.746 TFLOPS
Graphics Processor
GPU Name
Tonga
GA100
GPU Variant
Tonga PRO(215-0851128)
—
Architecture
GCN 3.0
Ampere
Foundry
TSMC
TSMC
Process Size
28 nm
7 nm
Transistors
5 billion
54.2 billion
Die Size
366 mm²
826 mm²
Board Design
TDP
190W
300W
Suggested PSU
450 W
700 W
Outputs
2x DVI1x HDMI 1.4a1x DisplayPort 1.2
No outputs
Power Connectors
2x 6-pin
8-pin EPS
Graphics Features
DirectX
12 (12_0)
N/A
OpenGL
4.6
N/A
OpenCL
2.1
3.0
Vulkan
1.2.170
N/A
Shader Model
6.5
N/A
CUDA
—
8.0
Benchmark
OctaneBench
—
310
Blender
—
3,722
▲ Specs Compare
Data sourced from official specifications and benchmark tests.