ATI Mobility Radeon HD 3850 X2 vs AMD Radeon R7 M260X

VS

ATI Mobility Radeon HD 3850 X2

AMD Radeon R7 M260X

We compared two Mobile platform GPUs: 512MB VRAM Mobility Radeon HD 3850 X2 and 1024MB VRAM Radeon R7 M260X to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R7 M260X 's Advantages

Released 7 years and 6 months late

Boost Clock715MHz

More VRAM (1024GB vs 512GB)

Larger VRAM bandwidth (64.00GB/s vs 48.00GB/s)

64 additional rendering cores

Score

Benchmark

FP32 (float)

Mobility Radeon HD 3850 X2

0.371 TFLOPS

Radeon R7 M260X +47%

0.549 TFLOPS

Mobility Radeon HD 3850 X2

VS

Radeon R7 M260X

Graphics Card

Jun 2008

Release Date

Dec 2015

M8x

Generation

Gem System

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

-

Base Clock

620 MHz

-

Boost Clock

715 MHz

750 MHz

Memory Clock

1000 MHz

Memory

512MB

Memory Size

1024MB

GDDR3

Memory Type

GDDR5

256bit

Memory Bus

128bit

48.00GB/s

Bandwidth

64.00GB/s

Render Config

4

Compute Units

6

-

320

Shading Units

384

16

TMUs

24

16

ROPs

8

-

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

256 KB

-

Theoretical Performance

9.280 GPixel/s

Pixel Rate

5.720 GPixel/s

9.280 GTexel/s

Texture Rate

17.16 GTexel/s

-

371.2 GFLOPS

FP32 (float)

549.1 GFLOPS

74.24 GFLOPS

FP64 (double)

-

Board Design

70W

TDP

Unknown

-

No outputs

Outputs

Portable Device Dependent

-

Power Connectors

None

Graphics Processor

M88

GPU Name

Opal

-

GPU Variant

Opal PRO

TeraScale

Architecture

GCN 1.0

TSMC

Foundry

TSMC

55 nm

Process Size

28 nm

0.666 billion

Transistors

0.95 billion

192 mm²

Die Size

77 mm²

Graphics Features

10.1 (10_1)

DirectX

12 (11_1)

3.3

OpenGL

4.6

N/A

OpenCL

2.1 (1.2)

N/A

Vulkan

1.2.170

-

4.1

Shader Model

6.5 (5.1)

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