Arc A770 vs Radeon HD 7770 GHz Edition
We compared two Desktop platform GPUs: 16GB VRAM Arc A770 and 1024MB VRAM Radeon HD 7770 GHz Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
Arc A770 Advantages
Released 10 years and 8 months late
Boost Clock2400MHz
More VRAM (16GB vs 1024GB)
Larger VRAM bandwidth (512.0GB/s vs 72.00GB/s)
3456 additional rendering cores
Radeon HD 7770 GHz Edition Advantages
Lower TDP (80W vs 225W)
Score
Benchmark
FP32 (float)
Arc A770
+1435%
19660
Radeon HD 7770 GHz Edition
1280
Graphics Card
Oct 2022
Release Date
Feb 2012
Alchemist(Arc 7)
Generation
Southern 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
1125 MHz
Memory
16GB
Memory Size
1024MB
GDDR6
Memory Type
GDDR5
256bit
Memory Bus
128bit
512.0GB/s
Bandwidth
72.00GB/s
Render Config
-
Compute Units
10
4096
Shading Units
640
256
TMUs
40
128
ROPs
16
512
Tensor Cores
-
32
RT Cores
-
-
L1 Cache
16 KB (per CU)
16 MB
L2 Cache
256 KB
Theoretical Performance
307.2 GPixel/s
Pixel Rate
16.00 GPixel/s
614.4 GTexel/s
Texture Rate
40.00 GTexel/s
39.32 TFLOPS
FP16 (half)
-
19.66 TFLOPS
FP32 (float)
1280 GFLOPS
2.458 TFLOPS
FP64 (double)
80.00 GFLOPS
Board Design
225W
TDP
80W
550 W
Suggested PSU
250 W
1x HDMI 2.13x DisplayPort 2.0
Outputs
1x DVI
1x HDMI 1.4a
2x mini-DisplayPort 1.2
1x HDMI 1.4a
2x mini-DisplayPort 1.2
1x 6-pin + 1x 8-pin
Power Connectors
1x 6-pin
Graphics Processor
DG2-512
GPU Name
Cape Verde
ACM-G10
GPU Variant
Cape Verde XT
Generation 12.7
Architecture
GCN 1.0
TSMC
Foundry
TSMC
6 nm
Process Size
28 nm
21.7 billion
Transistors
1.5 billion
406 mm²
Die Size
123 mm²
Graphics Features
12 Ultimate (12_2)
DirectX
12 (11_1)
4.6
OpenGL
4.6
3.0
OpenCL
1.2
1.3
Vulkan
1.2
6.6
Shader Model
5.1
