Home GPU Comparison AMD Radeon R5 A230 vs AMD Radeon R5 M255

AMD Radeon R5 A230 vs AMD Radeon R5 M255

We compared two Mobile platform GPUs: 4GB VRAM Radeon R5 A230 and 2GB VRAM Radeon R5 M255 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R5 A230 's Advantages
More VRAM (4GB vs 2GB)
AMD Radeon R5 M255 's Advantages
Released 9 months late
Boost Clock has increased by 10% (940MHz vs 855MHz)
Larger VRAM bandwidth (32.00GB/s vs 16.00GB/s)
64 additional rendering cores

Score

Benchmark

FP32 (float)
Radeon R5 A230
0.547 TFLOPS
Radeon R5 M255 +31%
0.721 TFLOPS
VS

Graphics Card

Jan 2014
Release Date
Oct 2014
All-In-One
Generation
Gem System
Mobile
Type
Mobile
PCIe 3.0 x8
Bus Interface
PCIe 3.0 x8

Clock Speeds

780 MHz
Base Clock
925 MHz
855 MHz
Boost Clock
940 MHz
1000 MHz
Memory Clock
1000 MHz

Memory

4GB
Memory Size
2GB
DDR3
Memory Type
DDR3
64bit
Memory Bus
128bit
16.00GB/s
Bandwidth
32.00GB/s

Render Config

-
SM Count
-
5
Compute Units
6
320
Shading Units
384
20
TMUs
24
8
ROPs
8
-
Tensor Cores
-
-
RT Cores
-
16 KB (per CU)
L1 Cache
16 KB (per CU)
128 KB
L2 Cache
256 KB

Theoretical Performance

6.840 GPixel/s
Pixel Rate
7.520 GPixel/s
17.10 GTexel/s
Texture Rate
22.56 GTexel/s
-
FP16 (half)
721.9 GFLOPS
547.2 GFLOPS
FP32 (float)
721.9 GFLOPS
34.20 GFLOPS
FP64 (double)
45.12 GFLOPS

Graphics Processor

Jet
GPU Name
Topaz
Jet PRO (216-0856040)
GPU Variant
Topaz PRO (216-0858030)
GCN 1.0
Architecture
GCN 3.0
TSMC
Foundry
TSMC
28 nm
Process Size
28 nm
0.69 billion
Transistors
1.55 billion
56 mm²
Die Size
125 mm²

Board Design

Unknown
TDP
Unknown
-
Suggested PSU
-
Portable Device Dependent
Outputs
Portable Device Dependent
-
Power Connectors
-

Graphics Features

12 (11_1)
DirectX
12 (12_0)
4.6
OpenGL
4.6
2.1 (1.2)
OpenCL
2.1
1.2.170
Vulkan
1.2.170
-
CUDA
-
6.5 (5.1)
Shader Model
6.5

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