AMD Radeon R5 M255 vs AMD Radeon R9 M385X

VS

AMD Radeon R5 M255

AMD Radeon R9 M385X

We compared two Mobile platform GPUs: 2GB VRAM Radeon R5 M255 and 4GB VRAM Radeon R9 M385X to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 M385X 's Advantages

Released 7 months late

Boost Clock has increased by 17% (1100MHz vs 940MHz)

More VRAM (4GB vs 2GB)

Larger VRAM bandwidth (76.80GB/s vs 32.00GB/s)

512 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon R5 M255

0.721 TFLOPS

Radeon R9 M385X +173%

1.971 TFLOPS

Radeon R5 M255

VS

Radeon R9 M385X

Graphics Card

Oct 2014

Release Date

May 2015

Gem System

Generation

Gem System

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

PCIe 3.0 x16

Clock Speeds

925 MHz

Base Clock

1000 MHz

940 MHz

Boost Clock

1100 MHz

1000 MHz

Memory Clock

1200 MHz

Memory

2GB

Memory Size

4GB

DDR3

Memory Type

GDDR5

128bit

Memory Bus

128bit

32.00GB/s

Bandwidth

76.80GB/s

Render Config

6

Compute Units

14

-

384

Shading Units

896

24

TMUs

56

8

ROPs

16

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

256 KB

-

Theoretical Performance

7.520 GPixel/s

Pixel Rate

17.60 GPixel/s

22.56 GTexel/s

Texture Rate

61.60 GTexel/s

721.9 GFLOPS

FP16 (half)

-

721.9 GFLOPS

FP32 (float)

1.971 TFLOPS

45.12 GFLOPS

FP64 (double)

123.2 GFLOPS

Board Design

Unknown

TDP

Unknown

-

Portable Device Dependent

Outputs

Portable Device Dependent

-

Graphics Processor

Topaz

GPU Name

Strato

Topaz PRO (216-0858030)

GPU Variant

Strato XT

GCN 3.0

Architecture

GCN 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

1.55 billion

Transistors

2.08 billion

125 mm²

Die Size

160 mm²

Graphics Features

12 (12_0)

DirectX

12 (12_0)

4.6

OpenGL

4.6

2.1

OpenCL

2.1

1.2.170

Vulkan

1.2.170

-

6.5

Shader Model

6.5

Related GPU Comparisons

1

AMD Radeon R5 M255 vs AMD Radeon HD 6530M

2

AMD Radeon R5 M255 vs AMD Radeon HD 7870M

3

AMD Radeon R5 M255 vs AMD Radeon HD 7650A

4

AMD Radeon R5 M255 vs ATI Mobility Radeon HD 3410

5

AMD Radeon R5 M255 vs AMD Radeon E9260 PCIe

6

AMD Radeon R5 M255 vs NVIDIA GeForce GT 435M

7

AMD Radeon R5 M255 vs AMD Radeon R9 M295X Mac Edition

8

AMD Radeon R5 M255 vs AMD Radeon Pro 5500M

9

AMD Radeon R5 M255 vs AMD Radeon Pro WX 7100 Mobile

10

AMD Radeon R5 M255 vs ATI Mobility FireGL V5600

Related News

1

CXMT Reportedly Achieves 80% Yield in DDR5 Production

2

Intel Wildcat Lake Appears on Shipping List with FCBGA1516 Socket, Poised to Replace Alder Lake-N

3

The Commencement of ARM and Qualcomm Licensing Dispute Trial: Potential Major Impact on PC Market

4

NVIDIA Allegedly Equips RTX 5080 with 30Gbps Memory Speed, Other Models to Feature 28Gbps

5

Intel Reports High Return Rates for Devices Featuring Snapdragon X Series; Qualcomm Counters with 'Industry Standard' Claim

6

Intel Confirms Panther Lake Adopts 18A Process, ES0 Samples Already Sent to Customers

7

Complete Lineup of Core Ultra 200HX/H/U and Core 200H/U Revealed: 31 Models to Dazzle the Eyes

8

Amechi Unveils V1 Mini PC: Only 0.33L Volume with 150W Power Consumption

9

iPhone 17 Series Set for Major Design Overhaul: Camera Module Transformed into Sleek Strip

10

The Thinnest iPhone Ever! iPhone 17 Air Reportedly Enters Foxconn's NPI Stage