AMD Radeon HD 6870 vs NVIDIA RTX A1000 Mobile
GPU · Specs Compare
Graphics Card
Release Date
Oct 2010
Mar 2022
Generation
Northern Islands
Quadro Ampere-M
Type
Desktop
Professional
Bus Interface
PCIe 2.0 x16
PCIe 4.0 x16
Clock Speeds
Memory Clock
1050 MHz
1750 MHz
Base Clock
—
630 MHz
Boost Clock
—
1831 MHz
Memory
Memory Size
1024MB
4GB
Memory Type
GDDR5
GDDR6
Memory Bus
256bit
128bit
Bandwidth
134.4GB/s
224GB/s
Render Config
Compute Units
14
—
Shading Units
1120
2048
TMUs
56
64
ROPs
32
48
L1 Cache
8 KB (per CU)
128 KB (per SM)
L2 Cache
512 KB
2 MB
SM Count
—
16
Tensor Cores
—
64
RT Cores
—
16
Theoretical Performance
Pixel Rate
28.80 GPixel/s
89.9 GPixel/s
Texture Rate
50.40 GTexel/s
117.2 GTexel/s
FP32 (float)
2.016 TFLOPS
7.5 TFLOPS
FP16 (half)
—
4.669 TFLOPS
FP64 (double)
—
72.96 GFLOPS
Graphics Processor
GPU Name
Barts
GA107
GPU Variant
Barts XT(215-0798000)
—
Architecture
TeraScale 2
Ampere
Foundry
TSMC
Samsung
Process Size
40 nm
8 nm
Transistors
1.7 billion
8.7 billion
Die Size
255 mm²
200 mm²
Board Design
TDP
151W
60W
Suggested PSU
450 W
—
Outputs
2x DVI1x HDMI 1.3a2x mini-DisplayPort 1.1
Portable Device Dependent
Power Connectors
2x 6-pin
None
Graphics Features
DirectX
11.2 (11_0)
12 Ultimate (12_2)
OpenGL
4.4
4.6
OpenCL
1.2
3.0
Vulkan
N/A
1.2
Shader Model
5.0
6.7
CUDA
—
8.6
Benchmark
OctaneBench
—
147
Blender
—
1,115
▲ Specs Compare
Data sourced from official specifications and benchmark tests.