Intel Arc A780 vs AMD Radeon HD 6870
GPU · Specs Compare
Graphics Card
Release Date
Unknown
Oct 2010
Generation
Alchemist(Arc 7)
Northern Islands
Type
Desktop
Desktop
Bus Interface
PCIe 4.0 x16
PCIe 2.0 x16
Clock Speeds
Base Clock
2200 MHz
—
Boost Clock
2200 MHz
—
Memory Clock
1093 MHz
1050 MHz
Memory
Memory Size
16GB
1024MB
Memory Type
GDDR6X
GDDR5
Memory Bus
256bit
256bit
Bandwidth
559.6GB/s
134.4GB/s
Render Config
Shading Units
4096
1120
TMUs
256
56
ROPs
128
32
Tensor Cores
512
—
RT Cores
32
—
L2 Cache
16 MB
512 KB
Compute Units
—
14
L1 Cache
—
8 KB (per CU)
Theoretical Performance
Pixel Rate
281.6 GPixel/s
28.80 GPixel/s
Texture Rate
563.2 GTexel/s
50.40 GTexel/s
FP16 (half)
36.04 TFLOPS
—
FP32 (float)
18.02 TFLOPS
2.016 TFLOPS
FP64 (double)
2.253 TFLOPS
—
Graphics Processor
GPU Name
DG2-512
Barts
GPU Variant
ACM-G10
Barts XT(215-0798000)
Architecture
Generation 12.7
TeraScale 2
Foundry
TSMC
TSMC
Process Size
6 nm
40 nm
Transistors
21.7 billion
1.7 billion
Die Size
406 mm²
255 mm²
Board Design
TDP
200W
151W
Suggested PSU
550 W
450 W
Outputs
1x HDMI 2.13x DisplayPort 2.0
2x DVI1x HDMI 1.3a2x mini-DisplayPort 1.1
Power Connectors
2x 8-pin
2x 6-pin
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
Shader Model
6.6
5.0
▲ Specs Compare
Data sourced from official specifications and benchmark tests.