NVIDIA RTX A6000 vs AMD Radeon HD 6870 X2
GPU · Specs Compare
Graphics Card
Release Date
Oct 2020
Jul 2011
Generation
Quadro Ampere
Northern Islands
Type
Professional
Desktop
Bus Interface
PCIe 4.0 x16
PCIe 2.0 x16
Clock Speeds
Base Clock
1410 MHz
—
Boost Clock
1800 MHz
—
Memory Clock
2000 MHz
1050 MHz
Memory
Memory Size
48GB
1024MB
Memory Type
GDDR6
GDDR5
Memory Bus
384bit
256bit
Bandwidth
768.0GB/s
134.4GB/s
Render Config
SM Count
84
—
Shading Units
10752
1120
TMUs
336
56
ROPs
112
32
Tensor Cores
336
—
RT Cores
84
—
L1 Cache
128 KB (per SM)
8 KB (per CU)
L2 Cache
6 MB
512 KB
Compute Units
—
14
Theoretical Performance
Pixel Rate
201.6 GPixel/s
28.80 GPixel/s
Texture Rate
604.8 GTexel/s
50.40 GTexel/s
FP16 (half)
38.71 TFLOPS
—
FP32 (float)
38.71 TFLOPS
2.016 TFLOPS
FP64 (double)
604.8 GFLOPS
—
Graphics Processor
GPU Name
GA102
Barts
Architecture
Ampere
TeraScale 2
Foundry
Samsung
TSMC
Process Size
8 nm
40 nm
Transistors
28.3 billion
1.7 billion
Die Size
628 mm²
255 mm²
GPU Variant
—
Barts XT(215-0798000)
Board Design
TDP
300W
300W
Suggested PSU
700 W
700 W
Outputs
4x DisplayPort 1.4a
2x DVI1x HDMI 1.3a2x mini-DisplayPort 1.1
Power Connectors
8-pin EPS
—
Graphics Features
DirectX
12 Ultimate (12_2)
11.2 (11_0)
OpenGL
4.6
4.4
OpenCL
3.0
1.2
Vulkan
1.3
N/A
CUDA
8.6
—
Shader Model
6.7
5.0
Benchmark
3DMark Time Spy
17,742
—
3DMark Time Spy Extreme
9,324
—
OctaneBench
600
—
3DMark Speed Way
4,965
—
Blender
5,387
—
▲ Specs Compare
Data sourced from official specifications and benchmark tests.