AMD Radeon R5 A255: GPU Specs & Benchmarks

The Radeon R5 A255 is a graphics card by AMD, built on the 28 nm process and based on the Topaz graphics processor (GPU). The video card specifications and performance tests (benchmarks) are listed below.

Recommended Gaming Resolutions 640x480 1280x720 1366x768 1600x900 1920x1080 2560x1440 3840x2160

Graphics Processor (GPU)

GPU Name
Topaz
Model number
Topaz PRO
(216-0864032)
Architecture
GCN 3.0
Foundry
TSMC
Process Size
28 nm
Transistors
1,550 million
Die Size
125 mm²

Graphics Card

Release Date
2014
Family
All-In-One
(Rx 200)
Production
End-of-life
Bus Interface
PCIe 3.0 x8

Memory

Memory Size
1024 MB
Memory Type
GDDR5
Memory Bus
128 bit
Bandwidth
64.00 GB/s

Performance

Pixel fillrate
7.520 GPixel/s
Texture fillrate
22.56 GTexel/s
FP32 (float) performance
721.9 GFLOPS

Clock Speeds

Base Clock
925 MHz
Boost Clock
940 MHz
Memory Clock
1000 MHz
4 Gbps effective

Render Config

Shading Units
384
TMUs
24
ROPs
8
Compute Units
6
L1 Cache
16 KB (per CU)
L2 Cache
256 KB

Board Design

Thermal design power (TDP)
unknown
Display Connectors
No outputs

API support

DirectX
12 (12_0)
OpenGL
4.6
OpenCL
2.0
Vulkan
1.2
Shader Model
6.3
Radeon R5 A255
AMD Radeon R5 A255: GPU Specs & Benchmarks