AMD Radeon RX 480 Mobile vs AMD Radeon HD 8770 OEM
GPU · Specs Compare
Graphics Card
Release Date
Aug 2016
Sep 2013
Generation
Mobility Radeon
Sea Islands
Type
Mobile
Desktop
Bus Interface
MXM-B (3.0)
PCIe 3.0 x16
Clock Speeds
Base Clock
1000 MHz
—
Boost Clock
1077 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
34.46 GPixel/s
16.80 GPixel/s
Texture Rate
155.1 GTexel/s
58.80 GTexel/s
FP16 (half)
4.963 TFLOPS
—
FP32 (float)
4.963 TFLOPS
1.882 TFLOPS
FP64 (double)
310.2 GFLOPS
117.6 GFLOPS
Graphics Processor
GPU Name
Ellesmere
Bonaire
GPU Variant
Ellesmere XT
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
100W
85W
Outputs
No outputs
1x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2
Power Connectors
None
1x 6-pin
Suggested PSU
—
250 W
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.