AMD Radeon HD 6850 X2 vs Intel Arc A780
GPU · Specs Compare
Graphics Card
Release Date
Sep 2011
Unknown
Generation
Northern Islands
Alchemist(Arc 7)
Type
Desktop
Desktop
Bus Interface
PCIe 2.0 x16
PCIe 4.0 x16
Clock Speeds
Memory Clock
1050 MHz
1093 MHz
Base Clock
—
2200 MHz
Boost Clock
—
2200 MHz
Memory
Memory Size
2GB
16GB
Memory Type
GDDR5
GDDR6X
Memory Bus
256bit
256bit
Bandwidth
134.4GB/s
559.6GB/s
Render Config
Compute Units
12
—
Shading Units
960
4096
TMUs
48
256
ROPs
32
128
L1 Cache
8 KB (per CU)
—
L2 Cache
512 KB
16 MB
Tensor Cores
—
512
RT Cores
—
32
Theoretical Performance
Pixel Rate
25.60 GPixel/s
281.6 GPixel/s
Texture Rate
38.40 GTexel/s
563.2 GTexel/s
FP32 (float)
1.536 TFLOPS
18.02 TFLOPS
FP16 (half)
—
36.04 TFLOPS
FP64 (double)
—
2.253 TFLOPS
Graphics Processor
GPU Name
Barts
DG2-512
GPU Variant
Barts PRO(215-0798006)
ACM-G10
Architecture
TeraScale 2
Generation 12.7
Foundry
TSMC
TSMC
Process Size
40 nm
6 nm
Transistors
1.7 billion
21.7 billion
Die Size
255 mm²
406 mm²
Board Design
TDP
254W
200W
Suggested PSU
600 W
550 W
Outputs
2x DVI1x HDMI 1.3a1x DisplayPort 1.1
1x HDMI 2.13x DisplayPort 2.0
Power Connectors
2x 8-pin
2x 8-pin
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
6.6
▲ Specs Compare
Data sourced from official specifications and benchmark tests.