AMD Radeon HD 6850 vs NVIDIA RTX A3000 Mobile
GPU · Specs Compare
Graphics Card
Release Date
Oct 2010
Apr 2021
Generation
Northern Islands
Ampere-MW
Type
Desktop
Professional
Bus Interface
PCIe 2.0 x16
PCIe 4.0 x16
Clock Speeds
Memory Clock
1000 MHz
1375 MHz
Base Clock
—
600 MHz
Boost Clock
—
1230 MHz
Memory
Memory Size
1024MB
6GB
Memory Type
GDDR5
GDDR6
Memory Bus
256bit
192bit
Bandwidth
128.0GB/s
264.0GB/s
Render Config
Compute Units
12
—
Shading Units
960
4096
TMUs
48
128
ROPs
32
64
L1 Cache
8 KB (per CU)
128 KB (per SM)
L2 Cache
512 KB
4 MB
SM Count
—
32
Tensor Cores
—
128
RT Cores
—
32
Theoretical Performance
Pixel Rate
24.80 GPixel/s
78.72 GPixel/s
Texture Rate
37.20 GTexel/s
157.4 GTexel/s
FP32 (float)
1488 GFLOPS
10.08 TFLOPS
FP16 (half)
—
10.08 TFLOPS
FP64 (double)
—
157.4 GFLOPS
Graphics Processor
GPU Name
Barts
GA104
GPU Variant
Barts PRO(215-0798006)
—
Architecture
TeraScale 2
Ampere
Foundry
TSMC
Samsung
Process Size
40 nm
8 nm
Transistors
1.7 billion
17.4 billion
Die Size
255 mm²
392 mm²
Board Design
TDP
127W
70W
Suggested PSU
300 W
—
Outputs
2x DVI1x HDMI 1.3a2x mini-DisplayPort 1.1
Portable Device Dependent
Power Connectors
1x 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
1.3
Shader Model
5.0
6.8
CUDA
—
8.6
▲ Specs Compare
Data sourced from official specifications and benchmark tests.