Intel Arc A780 vs AMD Radeon RX 7990 XTX
We compared two Desktop platform GPUs: 16GB VRAM Arc A780 and 24GB VRAM Radeon RX 7990 XTX to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
Intel Arc A780 's Advantages
Lower TDP (200W vs 405W)
AMD Radeon RX 7990 XTX 's Advantages
Boost Clock has increased by 64% (3599MHz vs 2200MHz)
More VRAM (24GB vs 16GB)
Larger VRAM bandwidth (1152GB/s vs 559.6GB/s)
2048 additional rendering cores
Score
Benchmark
FP32 (float)
Arc A780
18.02 TFLOPS
Radeon RX 7990 XTX
+390%
88.45 TFLOPS
Graphics Card
Unknown
Release Date
Unknown
Alchemist(Arc 7)
Generation
Navi III
Desktop
Type
Desktop
PCIe 4.0 x16
Bus Interface
PCIe 4.0 x16
Clock Speeds
2200 MHz
Base Clock
2500 MHz
2200 MHz
Boost Clock
3599 MHz
1093 MHz
Memory Clock
3000 MHz
Memory
16GB
Memory Size
24GB
GDDR6X
Memory Type
GDDR6
256bit
Memory Bus
384bit
559.6GB/s
Bandwidth
1152GB/s
Render Config
-
Compute Units
96
-
-
-
4096
Shading Units
6144
256
TMUs
384
128
ROPs
192
512
Tensor Cores
-
32
RT Cores
96
-
L1 Cache
256 KB per Array
16 MB
L2 Cache
6 MB
-
L3 Cache
192 MB
Theoretical Performance
281.6 GPixel/s
Pixel Rate
691.0 GPixel/s
563.2 GTexel/s
Texture Rate
1382 GTexel/s
36.04 TFLOPS
FP16 (half)
176.9 TFLOPS
18.02 TFLOPS
FP32 (float)
88.45 TFLOPS
2.253 TFLOPS
FP64 (double)
2.764 TFLOPS
Board Design
200W
TDP
405W
550 W
Suggested PSU
800 W
1x HDMI 2.13x DisplayPort 2.0
Outputs
1x HDMI 2.1a
2x DisplayPort 2.1
1x USB Type-C
2x 8-pin
Power Connectors
3x 8-pin
Graphics Processor
DG2-512
GPU Name
Navi 31
ACM-G10
GPU Variant
Navi 31 XTX+
Generation 12.7
Architecture
RDNA 3.0
TSMC
Foundry
TSMC
6 nm
Process Size
5 nm
21.7 billion
Transistors
57.7 billion
406 mm²
Die Size
529 mm²
Graphics Features
12 Ultimate (12_2)
DirectX
12 Ultimate (12_2)
4.6
OpenGL
4.6
3.0
OpenCL
2.2
1.3
Vulkan
1.3
-
-
-
6.6
Shader Model
6.7
