Radeon R9 270 1024SP vs Arc A770
We compared two Desktop platform GPUs: 2GB VRAM Radeon R9 270 1024SP and 16GB VRAM Arc A770 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
Radeon R9 270 1024SP 's Advantages
Lower TDP (150W vs 225W)
Arc A770 's Advantages
Released 7 years and 7 months late
Boost Clock has increased by 159% (2400MHz vs 925MHz)
More VRAM (16GB vs 2GB)
Larger VRAM bandwidth (512.0GB/s vs 153.6GB/s)
3072 additional rendering cores
Score
Benchmark
FP32 (float)
Radeon R9 270 1024SP
1894
Arc A770
+938%
19660
Graphics Card
Mar 2015
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
900 MHz
Base Clock
2100 MHz
925 MHz
Boost Clock
2400 MHz
1200 MHz
Memory Clock
2000 MHz
Memory
2GB
Memory Size
16GB
GDDR5
Memory Type
GDDR6
256bit
Memory Bus
256bit
153.6GB/s
Bandwidth
512.0GB/s
Render Config
16
Compute Units
-
1024
Shading Units
4096
64
TMUs
256
32
ROPs
128
-
Tensor Cores
512
-
RT Cores
32
16 KB (per CU)
L1 Cache
-
512 KB
L2 Cache
16 MB
Theoretical Performance
29.60 GPixel/s
Pixel Rate
307.2 GPixel/s
59.20 GTexel/s
Texture Rate
614.4 GTexel/s
-
FP16 (half)
39.32 TFLOPS
1.894 TFLOPS
FP32 (float)
19.66 TFLOPS
118.4 GFLOPS
FP64 (double)
2.458 TFLOPS
Board Design
150W
TDP
225W
450 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
Power Connectors
1x 6-pin + 1x 8-pin
Graphics Processor
Pitcairn
GPU Name
DG2-512
Pitcairn PRO
(215-0828062)
GPU Variant
ACM-G10
GCN 1.0
Architecture
Generation 12.7
TSMC
Foundry
TSMC
28 nm
Process Size
6 nm
2.8 billion
Transistors
21.7 billion
212 mm²
Die Size
406 mm²
Graphics Features
12 (11_1)
DirectX
12 Ultimate (12_2)
4.6
OpenGL
4.6
1.2
OpenCL
3.0
1.2
Vulkan
1.3
5.1
Shader Model
6.6
