Arc A770 vs Radeon R9 380
We compared two Desktop platform GPUs: 16GB VRAM Arc A770 and 2GB VRAM Radeon R9 380 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
Arc A770 's Advantages
Released 7 years and 4 months late
Boost Clock2400MHz
More VRAM (16GB vs 2GB)
Larger VRAM bandwidth (512.0GB/s vs 176.0GB/s)
2304 additional rendering cores
Radeon R9 380 's Advantages
Lower TDP (190W vs 225W)
Score
Benchmark
FP32 (float)
Arc A770
+465%
19660
Radeon R9 380
3476
3DMark Time Spy
Arc A770
+391%
13560
Radeon R9 380
2757
3DMark Time Spy Extreme
Arc A770
+426%
6525
Radeon R9 380
1239
Graphics Card
Oct 2022
Release Date
Jun 2015
Alchemist(Arc 7)
Generation
Pirate Islands
Desktop
Type
Desktop
PCIe 4.0 x16
Bus Interface
PCIe 3.0 x16
Clock Speeds
2100 MHz
Base Clock
-
2400 MHz
Boost Clock
-
2000 MHz
Memory Clock
1375 MHz
Memory
16GB
Memory Size
2GB
GDDR6
Memory Type
GDDR5
256bit
Memory Bus
256bit
512.0GB/s
Bandwidth
176.0GB/s
Render Config
-
Compute Units
28
4096
Shading Units
1792
256
TMUs
112
128
ROPs
32
512
Tensor Cores
-
32
RT Cores
-
-
L1 Cache
16 KB (per CU)
16 MB
L2 Cache
512 KB
Theoretical Performance
307.2 GPixel/s
Pixel Rate
31.04 GPixel/s
614.4 GTexel/s
Texture Rate
108.6 GTexel/s
39.32 TFLOPS
FP16 (half)
3.476 TFLOPS
19.66 TFLOPS
FP32 (float)
3.476 TFLOPS
2.458 TFLOPS
FP64 (double)
217.3 GFLOPS
Board Design
225W
TDP
190W
550 W
Suggested PSU
450 W
1x HDMI 2.13x DisplayPort 2.0
Outputs
2x DVI
1x HDMI 1.4a
1x DisplayPort 1.2
1x 6-pin + 1x 8-pin
Power Connectors
2x 6-pin
Graphics Processor
DG2-512
GPU Name
Antigua
ACM-G10
GPU Variant
Antigua PRO
(215-0877000)
Generation 12.7
Architecture
GCN 3.0
TSMC
Foundry
TSMC
6 nm
Process Size
28 nm
21.7 billion
Transistors
5 billion
406 mm²
Die Size
366 mm²
Graphics Features
12 Ultimate (12_2)
DirectX
12 (12_0)
4.6
OpenGL
4.6
3.0
OpenCL
2.0
1.3
Vulkan
1.2
6.6
Shader Model
6.3
