AMD Radeon R9 285X vs Intel Arc A770
We compared two Desktop platform GPUs: 3GB VRAM Radeon R9 285X and 16GB VRAM Arc A770 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon R9 285X 's Advantages
Lower TDP (200W vs 225W)
Intel Arc A770 's Advantages
Boost Clock2400MHz
More VRAM (16GB vs 3GB)
Larger VRAM bandwidth (512.0GB/s vs 264.0GB/s)
2048 additional rendering cores
Score
Benchmark
FP32 (float)
Radeon R9 285X
4.104 TFLOPS
Arc A770
+379%
19.66 TFLOPS
Graphics Card
Unknown
Release Date
Oct 2022
Volcanic Islands
Generation
Alchemist(Arc 7)
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 4.0 x16
Clock Speeds
-
Base Clock
2100 MHz
-
Boost Clock
2400 MHz
1375 MHz
Memory Clock
2000 MHz
Memory
3GB
Memory Size
16GB
GDDR5
Memory Type
GDDR6
384bit
Memory Bus
256bit
264.0GB/s
Bandwidth
512.0GB/s
Render Config
32
Compute Units
-
-
-
-
2048
Shading Units
4096
128
TMUs
256
32
ROPs
128
-
Tensor Cores
512
-
RT Cores
32
16 KB (per CU)
L1 Cache
-
768 KB
L2 Cache
16 MB
-
-
-
Theoretical Performance
32.06 GPixel/s
Pixel Rate
307.2 GPixel/s
128.3 GTexel/s
Texture Rate
614.4 GTexel/s
-
FP16 (half)
39.32 TFLOPS
4.104 TFLOPS
FP32 (float)
19.66 TFLOPS
-
FP64 (double)
2.458 TFLOPS
Board Design
200W
TDP
225W
550 W
Suggested PSU
550 W
2x DVI
1x HDMI 1.4a
1x DisplayPort 1.2
Outputs
1x HDMI 2.13x DisplayPort 2.0
1x 6-pin + 1x 8-pin
Power Connectors
1x 6-pin + 1x 8-pin
Graphics Processor
Tonga
GPU Name
DG2-512
Tonga XT
(215-0851313)
GPU Variant
ACM-G10
GCN 3.0
Architecture
Generation 12.7
TSMC
Foundry
TSMC
28 nm
Process Size
6 nm
5 billion
Transistors
21.7 billion
366 mm²
Die Size
406 mm²
Graphics Features
12 (12_0)
DirectX
12 Ultimate (12_2)
4.6
OpenGL
4.6
2.0
OpenCL
3.0
1.2
Vulkan
1.3
-
-
-
6.3
Shader Model
6.6
