Intel Arc A770 vs AMD Radeon HD 6870 X2
We compared two Desktop platform GPUs: 16GB VRAM Arc A770 and 1024MB VRAM Radeon HD 6870 X2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
Intel Arc A770 's Advantages
Released 11 years and 3 months late
Boost Clock2400MHz
More VRAM (16GB vs 1024GB)
Larger VRAM bandwidth (512.0GB/s vs 134.4GB/s)
2976 additional rendering cores
Lower TDP (225W vs 300W)
Score
Benchmark
FP32 (float)
Arc A770
+875%
19.66 TFLOPS
Radeon HD 6870 X2
2.016 TFLOPS
Graphics Card
Oct 2022
Release Date
Jul 2011
Alchemist(Arc 7)
Generation
Northern Islands
Desktop
Type
Desktop
PCIe 4.0 x16
Bus Interface
PCIe 2.0 x16
Clock Speeds
2100 MHz
Base Clock
-
2400 MHz
Boost Clock
-
2000 MHz
Memory Clock
1050 MHz
Memory
16GB
Memory Size
1024MB
GDDR6
Memory Type
GDDR5
256bit
Memory Bus
256bit
512.0GB/s
Bandwidth
134.4GB/s
Render Config
-
Compute Units
14
-
-
-
4096
Shading Units
1120
256
TMUs
56
128
ROPs
32
512
Tensor Cores
-
32
RT Cores
-
-
L1 Cache
8 KB (per CU)
16 MB
L2 Cache
512 KB
-
-
-
Theoretical Performance
307.2 GPixel/s
Pixel Rate
28.80 GPixel/s
614.4 GTexel/s
Texture Rate
50.40 GTexel/s
39.32 TFLOPS
FP16 (half)
-
19.66 TFLOPS
FP32 (float)
2.016 TFLOPS
2.458 TFLOPS
FP64 (double)
-
Board Design
225W
TDP
300W
550 W
Suggested PSU
700 W
1x HDMI 2.13x DisplayPort 2.0
Outputs
2x DVI
1x HDMI 1.3a
2x mini-DisplayPort 1.1
1x 6-pin + 1x 8-pin
Power Connectors
-
Graphics Processor
DG2-512
GPU Name
Barts
ACM-G10
GPU Variant
Barts XT
(215-0798000)
Generation 12.7
Architecture
TeraScale 2
TSMC
Foundry
TSMC
6 nm
Process Size
40 nm
21.7 billion
Transistors
1.7 billion
406 mm²
Die Size
255 mm²
Graphics Features
12 Ultimate (12_2)
DirectX
11.2 (11_0)
4.6
OpenGL
4.4
3.0
OpenCL
1.2
1.3
Vulkan
N/A
-
-
-
6.6
Shader Model
5.0
