NVIDIA A800 PCIe 40 GB vs AMD Radeon R9 285
GPU · Specs Compare
Graphics Card
Release Date
Nov 2022
Sep 2014
Generation
Ampere
Volcanic Islands
Type
AI GPU
Desktop
Bus Interface
PCIe 4.0 x16
PCIe 3.0 x16
Clock Speeds
Base Clock
765 MHz
—
Boost Clock
1410 MHz
—
Memory Clock
1215 MHz
1375 MHz
Memory
Memory Size
40GB
2GB
Memory Type
HBM2e
GDDR5
Memory Bus
5120bit
256bit
Bandwidth
1555GB/s
176.0GB/s
Render Config
SM Count
108
—
Shading Units
6912
1792
TMUs
432
112
ROPs
160
32
Tensor Cores
432
—
L1 Cache
192 KB (per SM)
16 KB (per CU)
L2 Cache
40 MB
512 KB
Compute Units
—
28
Theoretical Performance
Pixel Rate
225.6 GPixel/s
29.38 GPixel/s
Texture Rate
609.1 GTexel/s
102.8 GTexel/s
FP16 (half)
77.97 TFLOPS
3.290 TFLOPS
FP32 (float)
19.49 TFLOPS
3.290 TFLOPS
FP64 (double)
9.746 TFLOPS
205.6 GFLOPS
Graphics Processor
GPU Name
GA100
Tonga
Architecture
Ampere
GCN 3.0
Foundry
TSMC
TSMC
Process Size
7 nm
28 nm
Transistors
54.2 billion
5 billion
Die Size
826 mm²
366 mm²
GPU Variant
—
Tonga PRO(215-0851128)
Board Design
TDP
250W
190W
Suggested PSU
600 W
450 W
Outputs
No outputs
2x DVI1x HDMI 1.4a1x DisplayPort 1.2
Power Connectors
8-pin EPS
2x 6-pin
Graphics Features
DirectX
N/A
12 (12_0)
OpenGL
N/A
4.6
OpenCL
3.0
2.1
Vulkan
N/A
1.2.170
CUDA
8.0
—
Shader Model
N/A
6.5
▲ Specs Compare
Data sourced from official specifications and benchmark tests.