NVIDIA A800 SXM4 80 GB vs AMD Radeon HD 7850
GPU · Specs Compare
Graphics Card
Release Date
Aug 2022
Mar 2012
Generation
Ampere
Southern Islands
Type
AI GPU
Desktop
Bus Interface
PCIe 4.0 x16
PCIe 3.0 x16
Clock Speeds
Base Clock
1155 MHz
—
Boost Clock
1410 MHz
—
Memory Clock
1593 MHz
1200 MHz
Memory
Memory Size
80GB
2GB
Memory Type
HBM2e
GDDR5
Memory Bus
5120bit
256bit
Bandwidth
2039GB/s
153.6GB/s
Render Config
SM Count
108
—
Shading Units
6912
1024
TMUs
432
64
ROPs
160
32
Tensor Cores
432
—
L1 Cache
192 KB (per SM)
16 KB (per CU)
L2 Cache
40 MB
512 KB
Compute Units
—
16
Theoretical Performance
Pixel Rate
225.6 GPixel/s
27.52 GPixel/s
Texture Rate
609.1 GTexel/s
55.04 GTexel/s
FP16 (half)
77.97 TFLOPS
—
FP32 (float)
19.49 TFLOPS
1.761 TFLOPS
FP64 (double)
9.746 TFLOPS
110.1 GFLOPS
Graphics Processor
GPU Name
GA100
Pitcairn
Architecture
Ampere
GCN 1.0
Foundry
TSMC
TSMC
Process Size
7 nm
28 nm
Transistors
54.2 billion
2.8 billion
Die Size
826 mm²
212 mm²
GPU Variant
—
Pitcairn PRO(215-0828062)
Board Design
TDP
400W
130W
Suggested PSU
800 W
300 W
Outputs
No outputs
1x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2
Power Connectors
None
1x 6-pin
Graphics Features
DirectX
N/A
12 (11_1)
OpenGL
N/A
4.6
OpenCL
3.0
1.2
Vulkan
N/A
1.2
CUDA
8.0
—
Shader Model
N/A
5.1
Benchmark
3DMark Time Spy
—
1,334
3DMark Time Spy Extreme
—
325
▲ Specs Compare
Data sourced from official specifications and benchmark tests.