AMD Radeon HD 8770 OEM vs AMD Radeon RX 480
GPU · Specs Compare
Graphics Card
Release Date
Sep 2013
Jun 2016
Generation
Sea Islands
Arctic Islands
Type
Desktop
Desktop
Bus Interface
PCIe 3.0 x16
PCIe 3.0 x16
Clock Speeds
Memory Clock
1500 MHz
2000 MHz
Base Clock
—
1120 MHz
Boost Clock
—
1266 MHz
Memory
Memory Size
1024MB
8GB
Memory Type
GDDR5
GDDR5
Memory Bus
128bit
256bit
Bandwidth
96.00GB/s
256.0GB/s
Render Config
Compute Units
14
36
Shading Units
896
2304
TMUs
56
144
ROPs
16
32
L1 Cache
16 KB (per CU)
16 KB (per CU)
L2 Cache
256 KB
2 MB
Theoretical Performance
Pixel Rate
16.80 GPixel/s
40.51 GPixel/s
Texture Rate
58.80 GTexel/s
182.3 GTexel/s
FP32 (float)
1.882 TFLOPS
5.834 TFLOPS
FP64 (double)
117.6 GFLOPS
364.6 GFLOPS
FP16 (half)
—
5.834 TFLOPS
Graphics Processor
GPU Name
Bonaire
Ellesmere
GPU Variant
Bonaire XT(215-0839039)
Polaris 10 XT(215-0876184)
Architecture
GCN 2.0
GCN 4.0
Foundry
TSMC
GlobalFoundries
Process Size
28 nm
14 nm
Transistors
2.08 billion
5.7 billion
Die Size
160 mm²
232 mm²
Board Design
TDP
85W
150W
Suggested PSU
250 W
450 W
Outputs
1x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2
1x HDMI 2.0b3x DisplayPort 1.4a
Power Connectors
1x 6-pin
1x 6-pin
Graphics Features
DirectX
12 (12_0)
12 (12_0)
OpenGL
4.6
4.6
OpenCL
2.0
2.1
Vulkan
1.2
1.3
Shader Model
6.3
6.7
▲ Specs Compare
Data sourced from official specifications and benchmark tests.