AMD Radeon RX 6600 XT vs Intel Arc A780
We compared two Desktop platform GPUs: 8GB VRAM Radeon RX 6600 XT and 16GB VRAM Arc A780 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon RX 6600 XT 's Advantages
Boost Clock has increased by 18% (2589MHz vs 2200MHz)
Lower TDP (160W vs 200W)
Intel Arc A780 's Advantages
More VRAM (16GB vs 8GB)
Larger VRAM bandwidth (559.6GB/s vs 256.0GB/s)
2048 additional rendering cores
Score
Benchmark
FP32 (float)
Radeon RX 6600 XT
10.6 TFLOPS
Arc A780
+70%
18.02 TFLOPS
Graphics Card
Jul 2021
Release Date
Unknown
Navi II
Generation
Alchemist(Arc 7)
Desktop
Type
Desktop
PCIe 4.0 x8
Bus Interface
PCIe 4.0 x16
Clock Speeds
1968 MHz
Base Clock
2200 MHz
2589 MHz
Boost Clock
2200 MHz
2000 MHz
Memory Clock
1093 MHz
Memory
8GB
Memory Size
16GB
GDDR6
Memory Type
GDDR6X
128bit
Memory Bus
256bit
256.0GB/s
Bandwidth
559.6GB/s
Render Config
32
Compute Units
-
-
-
-
2048
Shading Units
4096
128
TMUs
256
64
ROPs
128
-
Tensor Cores
512
32
RT Cores
32
128 KB per Array
L1 Cache
-
2 MB
L2 Cache
16 MB
32 MB
L3 Cache
-
Theoretical Performance
165.7 GPixel/s
Pixel Rate
281.6 GPixel/s
331.4 GTexel/s
Texture Rate
563.2 GTexel/s
21.21 TFLOPS
FP16 (half)
36.04 TFLOPS
10.60 TFLOPS
FP32 (float)
18.02 TFLOPS
662.8 GFLOPS
FP64 (double)
2.253 TFLOPS
Board Design
160W
TDP
200W
450 W
Suggested PSU
550 W
1x HDMI 2.1
3x DisplayPort 1.4a
Outputs
1x HDMI 2.13x DisplayPort 2.0
1x 8-pin
Power Connectors
2x 8-pin
Graphics Processor
Navi 23
GPU Name
DG2-512
Navi 23 XT
(215-130000006)
GPU Variant
ACM-G10
RDNA 2.0
Architecture
Generation 12.7
TSMC
Foundry
TSMC
7 nm
Process Size
6 nm
11.06 billion
Transistors
21.7 billion
237 mm²
Die Size
406 mm²
Graphics Features
12 Ultimate (12_2)
DirectX
12 Ultimate (12_2)
4.6
OpenGL
4.6
2.1
OpenCL
3.0
1.3
Vulkan
1.3
-
-
-
6.7
Shader Model
6.6
