NVIDIA RTX A3000 Mobile vs AMD Radeon HD 6870 X2
GPU · Specs Compare
Graphics Card
Release Date
Apr 2021
Jul 2011
Generation
Ampere-MW
Northern Islands
Type
Professional
Desktop
Bus Interface
PCIe 4.0 x16
PCIe 2.0 x16
Clock Speeds
Base Clock
600 MHz
—
Boost Clock
1230 MHz
—
Memory Clock
1375 MHz
1050 MHz
Memory
Memory Size
6GB
1024MB
Memory Type
GDDR6
GDDR5
Memory Bus
192bit
256bit
Bandwidth
264.0GB/s
134.4GB/s
Render Config
SM Count
32
—
Shading Units
4096
1120
TMUs
128
56
ROPs
64
32
Tensor Cores
128
—
RT Cores
32
—
L1 Cache
128 KB (per SM)
8 KB (per CU)
L2 Cache
4 MB
512 KB
Compute Units
—
14
Theoretical Performance
Pixel Rate
78.72 GPixel/s
28.80 GPixel/s
Texture Rate
157.4 GTexel/s
50.40 GTexel/s
FP16 (half)
10.08 TFLOPS
—
FP32 (float)
10.08 TFLOPS
2.016 TFLOPS
FP64 (double)
157.4 GFLOPS
—
Graphics Processor
GPU Name
GA104
Barts
Architecture
Ampere
TeraScale 2
Foundry
Samsung
TSMC
Process Size
8 nm
40 nm
Transistors
17.4 billion
1.7 billion
Die Size
392 mm²
255 mm²
GPU Variant
—
Barts XT(215-0798000)
Board Design
TDP
70W
300W
Outputs
Portable Device Dependent
2x DVI1x HDMI 1.3a2x mini-DisplayPort 1.1
Power Connectors
None
—
Suggested PSU
—
700 W
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
6.8
5.0
▲ Specs Compare
Data sourced from official specifications and benchmark tests.