Intel Arc A580 vs AMD Radeon HD 8870 OEM
We compared two Desktop platform GPUs: 8GB VRAM Arc A580 and 2GB VRAM Radeon HD 8870 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
Intel Arc A580 's Advantages
Released 10 years and 9 months late
Boost Clock2000MHz
More VRAM (8GB vs 2GB)
Larger VRAM bandwidth (512.0GB/s vs 153.6GB/s)
1792 additional rendering cores
Score
Benchmark
FP32 (float)
Arc A580
+380%
12.29 TFLOPS
Radeon HD 8870 OEM
2.56 TFLOPS
Graphics Card
Oct 2023
Release Date
Jan 2013
Alchemist(Arc 5)
Generation
Sea Islands
Desktop
Type
Desktop
PCIe 4.0 x16
Bus Interface
PCIe 3.0 x16
Clock Speeds
1700 MHz
Base Clock
-
2000 MHz
Boost Clock
-
2000 MHz
Memory Clock
1200 MHz
Memory
8GB
Memory Size
2GB
GDDR6
Memory Type
GDDR5
256bit
Memory Bus
256bit
512.0GB/s
Bandwidth
153.6GB/s
Render Config
-
Compute Units
20
-
-
-
3072
Shading Units
1280
192
TMUs
80
96
ROPs
32
384
Tensor Cores
-
24
RT Cores
-
-
L1 Cache
16 KB (per CU)
8 MB
L2 Cache
512 KB
-
-
-
Theoretical Performance
192.0 GPixel/s
Pixel Rate
32.00 GPixel/s
384.0 GTexel/s
Texture Rate
80.00 GTexel/s
24.58 TFLOPS
FP16 (half)
-
12.29 TFLOPS
FP32 (float)
2.560 TFLOPS
1.536 TFLOPS
FP64 (double)
160.0 GFLOPS
Board Design
175W
TDP
175W
450 W
Suggested PSU
450 W
1x HDMI 2.13x DisplayPort 2.0
Outputs
1x DVI
1x HDMI 1.4a
2x mini-DisplayPort 1.2
2x 8-pin
Power Connectors
2x 6-pin
Graphics Processor
DG2-512
GPU Name
Pitcairn
ACM-G10
GPU Variant
Pitcairn XT
(215-0828047)
Generation 12.7
Architecture
GCN 1.0
TSMC
Foundry
TSMC
6 nm
Process Size
28 nm
21.7 billion
Transistors
2.8 billion
406 mm²
Die Size
212 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
