AMD Radeon HD 6870 vs NVIDIA A800 PCIe 40 GB
GPU · Specs Compare
Graphics Card
Release Date
Oct 2010
Nov 2022
Generation
Northern Islands
Ampere
Type
Desktop
AI GPU
Bus Interface
PCIe 2.0 x16
PCIe 4.0 x16
Clock Speeds
Memory Clock
1050 MHz
1215 MHz
Base Clock
—
765 MHz
Boost Clock
—
1410 MHz
Memory
Memory Size
1024MB
40GB
Memory Type
GDDR5
HBM2e
Memory Bus
256bit
5120bit
Bandwidth
134.4GB/s
1555GB/s
Render Config
Compute Units
14
—
Shading Units
1120
6912
TMUs
56
432
ROPs
32
160
L1 Cache
8 KB (per CU)
192 KB (per SM)
L2 Cache
512 KB
40 MB
SM Count
—
108
Tensor Cores
—
432
Theoretical Performance
Pixel Rate
28.80 GPixel/s
225.6 GPixel/s
Texture Rate
50.40 GTexel/s
609.1 GTexel/s
FP32 (float)
2.016 TFLOPS
19.49 TFLOPS
FP16 (half)
—
77.97 TFLOPS
FP64 (double)
—
9.746 TFLOPS
Graphics Processor
GPU Name
Barts
GA100
GPU Variant
Barts XT(215-0798000)
—
Architecture
TeraScale 2
Ampere
Foundry
TSMC
TSMC
Process Size
40 nm
7 nm
Transistors
1.7 billion
54.2 billion
Die Size
255 mm²
826 mm²
Board Design
TDP
151W
250W
Suggested PSU
450 W
600 W
Outputs
2x DVI1x HDMI 1.3a2x mini-DisplayPort 1.1
No outputs
Power Connectors
2x 6-pin
8-pin EPS
Graphics Features
DirectX
11.2 (11_0)
N/A
OpenGL
4.4
N/A
OpenCL
1.2
3.0
Vulkan
N/A
N/A
Shader Model
5.0
N/A
CUDA
—
8.0
▲ Specs Compare
Data sourced from official specifications and benchmark tests.