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GPU Comparison
Intel Arc A780 vs AMD Radeon HD 6870
Intel Arc A780 vs AMD Radeon HD 6870
VS
Intel Arc A780
AMD Radeon HD 6870
We compared two Desktop platform GPUs: 16GB VRAM Arc A780 and 1024MB VRAM Radeon HD 6870 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
Intel Arc A780 's Advantages
Boost Clock2200MHz
More VRAM (16GB vs 1GB)
Larger VRAM bandwidth (559.6GB/s vs 134.4GB/s)
2976 additional rendering cores
AMD Radeon HD 6870 's Advantages
Lower TDP (151W vs 200W)
Score
Benchmark
FP32 (float)
Arc A780
+793%
18.02 TFLOPS
Radeon HD 6870
2.016 TFLOPS
Arc A780
VS
Radeon HD 6870
Graphics Card
Unknown
Release Date
Oct 2010
Alchemist
Generation
Northern Islands
Desktop
Type
Desktop
PCIe 4.0 x16
Bus Interface
PCIe 2.0 x16
Clock Speeds
2200 MHz
Base Clock
-
2200 MHz
Boost Clock
-
1093 MHz
Memory Clock
1050 MHz
Memory
16GB
Memory Size
1024MB
GDDR6X
Memory Type
GDDR5
256bit
Memory Bus
256bit
559.6GB/s
Bandwidth
134.4GB/s
Render Config
-
SM Count
-
-
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
281.6 GPixel/s
Pixel Rate
28.80 GPixel/s
563.2 GTexel/s
Texture Rate
50.40 GTexel/s
36.04 TFLOPS
FP16 (half)
-
18.02 TFLOPS
FP32 (float)
2.016 TFLOPS
-
FP64 (double)
-
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
Board Design
200W
TDP
151W
550 W
Suggested PSU
450 W
1x HDMI 2.1 3x DisplayPort 2.0
Outputs
2x DVI 1x HDMI 1.3a 2x mini-DisplayPort 1.1
2x 8-pin
Power Connectors
2x 6-pin
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
-
CUDA
-
6.6
Shader Model
5.0
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7
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8
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9
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10
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