AMD Radeon RX 560X vs AMD Radeon HD 8770 OEM
GPU Specs Compare
Graphics Card
Release Date
Apr 2018
Sep 2013
Generation
Polaris
Sea Islands
Type
Desktop
Desktop
Bus Interface
PCIe 3.0 x8
PCIe 3.0 x16
Clock Speeds
Base Clock
1175 MHz
-
Boost Clock
1275 MHz
-
Memory Clock
1750 MHz
1500 MHz
Memory
Memory Size
4GB
1024MB
Memory Type
GDDR5
GDDR5
Memory Bus
128bit
128bit
Bandwidth
112.0GB/s
96.00GB/s
Render Config
Compute Units
16
14
Shading Units
1024
896
TMUs
64
56
ROPs
16
16
L1 Cache
16 KB (per CU)
16 KB (per CU)
L2 Cache
1024 KB
256 KB
Theoretical Performance
Pixel Rate
20.40 GPixel/s
16.80 GPixel/s
Texture Rate
81.60 GTexel/s
58.80 GTexel/s
FP16 (half)
2.611 TFLOPS
-
FP32 (float)
2.611 TFLOPS
1.882 TFLOPS
FP64 (double)
163.2 GFLOPS
117.6 GFLOPS
Graphics Processor
GPU Name
Polaris 21
Bonaire
GPU Variant
Polaris 21 XT(215-0908004)
Bonaire XT(215-0839039)
Architecture
GCN 4.0
GCN 2.0
Foundry
GlobalFoundries
TSMC
Process Size
14 nm
28 nm
Transistors
3 billion
2.08 billion
Die Size
123 mm²
160 mm²
Board Design
TDP
75W
85W
Suggested PSU
250 W
250 W
Outputs
1x DVI1x HDMI 2.0b1x DisplayPort 1.4a
1x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2
Power Connectors
None
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