Radeon R5 M255 Overview

Radeon R5 M255
Memory: 1024Mb GDDR5MOBILE
Release date: 12 Oct 2014

Core Configuration

GPU	Topaz
Architecture	AMD_GCN_1_0
Shaders : TMUs : ROPs	384 : 24 : 8
Raytracing Cores	none
Performance	721.90 GFLOPs

Memory Configuration

Memory Size	1024 Mb
Memory Bus Width	128 bit
Memory Speed	1000 MHz 4000 MHz effective
Memory Bandwidth	64.00 Gb/s

Summary

Relative performance

Radeon HD 7850M
100%
GeForce 940MX
99%
Radeon R9 M265X
92%
Radeon HD 8830M
92%
Radeon HD 8850M
92%
GeForce GT 755M
92%
GeForce GT 740M
92%
GeForce 830M
90%
Radeon R7 M350
90%
GeForce 920M
90%
GeForce GT 750M
88%
Radeon R5 M315
86%
Radeon R7 M465
85%
Radeon R7 M365
85%
Radeon R7 M370
85%
Radeon R5 M255
83%
Radeon R7 M260
83%
GeForce 825M
80%
GeForce GT 650M
80%
Radeon HD 8790M
80%
Radeon HD 7730M
80%
Radeon HD 7770M
80%
Radeon R5 M335
79%
GeForce GT 745M
79%
GeForce GTX 660M
78%
GeForce 810M
76%
GeForce 820M
76%
GeForce GT 740M Rev. 2
76%
Radeon R5 M330
76%
Radeon R5 M240
76%

Data interpolated by architecture, based on benchmarks charts.

The Radeon R5 M255 is a graphics card released by AMD on 12 Oct 2014. The graphics card houses the Topaz die, based on the AMD_GCN_1_0 architecture which packs unknown transistors on a 28 nm, 77 mm2 die.

Radeon R5 M255 pros and cons

Supports Direct3D 12 Async Compute

Supports ReLive (allows game streaming/recording with minimum performance penalty)

Supports Mantle

Based on an outdated architecture (AMD GCN), there may be no performance optimizations for current games and applications

Specifications

Compared to similar performing cards


	Radeon R5 M255	Radeon HD 7850M
		compare
Shader units	384	640
ROPs	8	16
Graphics processor	Topaz	Heathrow
Process size	28 nm	28 nm
Memory	1024 Mb GDDR5 (1000 MHz 4000 MHz effective)	2048 Mb GDDR5 (1000 MHz 4000 MHz effective)
Memory bus width	128 bit	128 bit
Memory bandwidth	64.00 Gb/s	64.00 Gb/s
Release date	12 Oct 2014	24 Apr 2012

share this!