Product Compare

AMD Radeon RX 455 OEM vs AMD Radeon RX 480 Mobile

GPU GPU
Graphics Card
Release Date Jun 2016 Aug 2016
Generation Arctic Islands Mobility Radeon
Type Desktop Mobile
Bus Interface PCIe 3.0 x16 MXM-B (3.0)
Clock Speeds
Memory Clock 1625 MHz 2000 MHz
Base Clock 1000 MHz
Boost Clock 1077 MHz
Memory
Memory Size 2GB 8GB
Memory Type GDDR5 GDDR5
Memory Bus 128bit 256bit
Bandwidth 104.0GB/s 256.0GB/s
Render Config
Compute Units 12 36
Shading Units 768 2304
TMUs 48 144
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 34.46 GPixel/s
Texture Rate 50.40 GTexel/s 155.1 GTexel/s
FP32 (float) 1.613 TFLOPS 4.963 TFLOPS
FP64 (double) 100.8 GFLOPS 310.2 GFLOPS
FP16 (half) 4.963 TFLOPS
Graphics Processor
GPU Name Tobago Ellesmere
GPU Variant Tobago PRO(215-0875010) Ellesmere XT
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 100W 100W
Suggested PSU 300 W
Outputs 1x DVI1x HDMI 1.4a1x DisplayPort 1.2 No outputs
Power Connectors 1x 6-pin None
Graphics Features
DirectX 12 (12_0) 12 (12_0)
OpenGL 4.6 4.6
OpenCL 2.0 2.1
Vulkan 1.2 1.2
Shader Model 6.3 6.4