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GPU Comparison
AMD Radeon HD 6990 vs Intel Arc A780
AMD Radeon HD 6990 vs Intel Arc A780
VS
AMD Radeon HD 6990
Intel Arc A780
We compared two Desktop platform GPUs: 2GB VRAM Radeon HD 6990 and 16GB VRAM Arc A780 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 2GB)
Larger VRAM bandwidth (559.6GB/s vs 160.0GB/s)
2560 additional rendering cores
Lower TDP (200W vs 375W)
Score
Benchmark
FP32 (float)
Radeon HD 6990
2.55 TFLOPS
Arc A780
+606%
18.02 TFLOPS
Radeon HD 6990
VS
Arc A780
Graphics Card
Mar 2011
Release Date
Unknown
Northern Islands
Generation
Alchemist
Desktop
Type
Desktop
PCIe 2.0 x16
Bus Interface
PCIe 4.0 x16
Clock Speeds
-
Base Clock
2200 MHz
-
Boost Clock
2200 MHz
1250 MHz
Memory Clock
1093 MHz
Memory
2GB
Memory Size
16GB
GDDR5
Memory Type
GDDR6X
256bit
Memory Bus
256bit
160.0GB/s
Bandwidth
559.6GB/s
Render Config
-
SM Count
-
24
Compute Units
-
1536
Shading Units
4096
96
TMUs
256
32
ROPs
128
-
Tensor Cores
512
-
RT Cores
32
8 KB (per CU)
L1 Cache
-
512 KB
L2 Cache
16 MB
Theoretical Performance
26.56 GPixel/s
Pixel Rate
281.6 GPixel/s
79.68 GTexel/s
Texture Rate
563.2 GTexel/s
-
FP16 (half)
36.04 TFLOPS
2.550 TFLOPS
FP32 (float)
18.02 TFLOPS
637.4 GFLOPS
FP64 (double)
-
Graphics Processor
Antilles
GPU Name
DG2-512
Antilles XT (215-0807027)
GPU Variant
ACM-G10
TeraScale 3
Architecture
Generation 12.7
TSMC
Foundry
TSMC
40 nm
Process Size
6 nm
2.64 billion
Transistors
21.7 billion
389 mm²
Die Size
406 mm²
Board Design
375W
TDP
200W
750 W
Suggested PSU
550 W
1x DVI 4x mini-DisplayPort 1.2
Outputs
1x HDMI 2.1 3x DisplayPort 2.0
2x 8-pin
Power Connectors
2x 8-pin
Graphics Features
11.2 (11_0)
DirectX
12 Ultimate (12_2)
4.4
OpenGL
4.6
1.2
OpenCL
3.0
N/A
Vulkan
1.3
-
CUDA
-
5.0
Shader Model
6.6
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9
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