AMD Radeon RX 580G vs AMD Radeon HD 8770 OEM
GPU · Specs Compare
Graphics Card
Release Date
Oct 2018
Sep 2013
Generation
Polaris
Sea Islands
Type
Desktop
Desktop
Bus Interface
PCIe 3.0 x16
PCIe 3.0 x16
Clock Speeds
Base Clock
1257 MHz
—
Boost Clock
1330 MHz
—
Memory Clock
2000 MHz
1500 MHz
Memory
Memory Size
8GB
1024MB
Memory Type
GDDR5
GDDR5
Memory Bus
256bit
128bit
Bandwidth
256.0GB/s
96.00GB/s
Render Config
Compute Units
36
14
Shading Units
2304
896
TMUs
144
56
ROPs
32
16
L1 Cache
16 KB (per CU)
16 KB (per CU)
L2 Cache
2 MB
256 KB
Theoretical Performance
Pixel Rate
42.56 GPixel/s
16.80 GPixel/s
Texture Rate
191.5 GTexel/s
58.80 GTexel/s
FP16 (half)
6.129 TFLOPS
—
FP32 (float)
6.129 TFLOPS
1.882 TFLOPS
FP64 (double)
383.0 GFLOPS
117.6 GFLOPS
Graphics Processor
GPU Name
Polaris 20
Bonaire
GPU Variant
Polaris 20 XTX(215-0910038)
Bonaire XT(215-0839039)
Architecture
GCN 4.0
GCN 2.0
Foundry
GlobalFoundries
TSMC
Process Size
14 nm
28 nm
Transistors
5.7 billion
2.08 billion
Die Size
232 mm²
160 mm²
Board Design
TDP
185W
85W
Suggested PSU
450 W
250 W
Outputs
1x HDMI 2.0b3x DisplayPort 1.4a
1x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2
Power Connectors
1x 8-pin
1x 6-pin
Graphics Features
DirectX
12 (12_0)
12 (12_0)
OpenGL
4.6
4.6
OpenCL
2.1
2.0
Vulkan
1.2
1.2
Shader Model
6.4
6.3
▲ Specs Compare
Data sourced from official specifications and benchmark tests.