Home GPU Comparison AMD Radeon R9 A375 vs AMD Radeon R5 M255

AMD Radeon R9 A375 vs AMD Radeon R5 M255

We compared two Mobile platform GPUs: 2GB VRAM Radeon R9 A375 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 R9 A375 's Advantages
Larger VRAM bandwidth (72.00GB/s vs 32.00GB/s)
256 additional rendering cores
AMD Radeon R5 M255 's Advantages
Boost Clock has increased by 2% (940MHz vs 925MHz)

Score

Benchmark

FP32 (float)
Radeon R9 A375 +80%
1.299 TFLOPS
Radeon R5 M255
0.721 TFLOPS
VS

Graphics Card

Jan 2015
Release Date
Oct 2014
All-In-One
Generation
Gem System
Mobile
Type
Mobile
PCIe 3.0 x16
Bus Interface
PCIe 3.0 x8

Clock Speeds

900 MHz
Base Clock
925 MHz
925 MHz
Boost Clock
940 MHz
1125 MHz
Memory Clock
1000 MHz

Memory

2GB
Memory Size
2GB
GDDR5
Memory Type
DDR3
128bit
Memory Bus
128bit
72.00GB/s
Bandwidth
32.00GB/s

Render Config

10
Compute Units
6
-
-
-
640
Shading Units
384
40
TMUs
24
16
ROPs
8
-
-
-
-
-
-
16 KB (per CU)
L1 Cache
16 KB (per CU)
256 KB
L2 Cache
256 KB
-
-
-

Theoretical Performance

16.24 GPixel/s
Pixel Rate
7.520 GPixel/s
40.60 GTexel/s
Texture Rate
22.56 GTexel/s
-
FP16 (half)
721.9 GFLOPS
1299 GFLOPS
FP32 (float)
721.9 GFLOPS
-
FP64 (double)
45.12 GFLOPS

Board Design

Unknown
TDP
Unknown
-
-
-
Portable Device Dependent
Outputs
Portable Device Dependent
-
-
-

Graphics Processor

Venus
GPU Name
Topaz
Venus XTX (216-0846033)
GPU Variant
Topaz PRO (216-0858030)
GCN 1.0
Architecture
GCN 3.0
TSMC
Foundry
TSMC
28 nm
Process Size
28 nm
1.5 billion
Transistors
1.55 billion
123 mm²
Die Size
125 mm²

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
-
-
-
6.5 (5.1)
Shader Model
6.5

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