Home GPU Comparison AMD Radeon RX 570 Mobile vs AMD Radeon R5 A255

AMD Radeon RX 570 Mobile vs AMD Radeon R5 A255

We compared two Mobile platform GPUs: 8GB VRAM Radeon RX 570 Mobile and 1024MB VRAM Radeon R5 A255 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 570 Mobile 's Advantages
Released 3 years and 11 months late
Boost Clock has increased by 28% (1206MHz vs 940MHz)
More VRAM (8GB vs 1024GB)
Larger VRAM bandwidth (211.2GB/s vs 64.00GB/s)
1664 additional rendering cores

Score

Benchmark

FP32 (float)
Radeon RX 570 Mobile +585%
4.94 TFLOPS
Radeon R5 A255
0.721 TFLOPS
VS

Graphics Card

Dec 2017
Release Date
Jan 2014
Mobility Radeon
Generation
All-In-One
Mobile
Type
Mobile
MXM-B (3.0)
Bus Interface
PCIe 3.0 x8

Clock Speeds

926 MHz
Base Clock
925 MHz
1206 MHz
Boost Clock
940 MHz
1650 MHz
Memory Clock
1000 MHz

Memory

8GB
Memory Size
1024MB
GDDR5
Memory Type
GDDR5
256bit
Memory Bus
128bit
211.2GB/s
Bandwidth
64.00GB/s

Render Config

32
Compute Units
6
-
-
-
2048
Shading Units
384
128
TMUs
24
32
ROPs
8
-
-
-
-
-
-
16 KB (per CU)
L1 Cache
16 KB (per CU)
2 MB
L2 Cache
256 KB
-
-
-

Theoretical Performance

38.59 GPixel/s
Pixel Rate
7.520 GPixel/s
154.4 GTexel/s
Texture Rate
22.56 GTexel/s
4.940 TFLOPS
FP16 (half)
-
4.940 TFLOPS
FP32 (float)
721.9 GFLOPS
308.7 GFLOPS
FP64 (double)
-

Board Design

85W
TDP
Unknown
-
-
-
No outputs
Outputs
Portable Device Dependent
None
Power Connectors
-

Graphics Processor

Ellesmere
GPU Name
Topaz
Ellesmere PRO
GPU Variant
Topaz PRO (216-0858030)
GCN 4.0
Architecture
GCN 3.0
GlobalFoundries
Foundry
TSMC
14 nm
Process Size
28 nm
5.7 billion
Transistors
1.55 billion
232 mm²
Die Size
125 mm²

Graphics Features

12 (12_0)
DirectX
12 (12_0)
4.6
OpenGL
4.6
2.1
OpenCL
2.1
1.2
Vulkan
1.2.170
-
-
-
6.4
Shader Model
6.5

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