ATI Mobility Radeon HD 3870 vs AMD Radeon R7 M260

VS

ATI Mobility Radeon HD 3870 AMD Radeon R7 M260

We compared two Mobile platform GPUs: 512MB VRAM Mobility Radeon HD 3870 and 2GB VRAM Radeon R7 M260 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Mobility Radeon HD 3870 's Advantages

Larger VRAM bandwidth (54.40GB/s vs 14.40GB/s)

AMD Radeon R7 M260 's Advantages

Released 6 years late

Boost Clock980MHz

64 additional rendering cores

Score

Benchmark

FP32 (float)

Mobility Radeon HD 3870

0.422 TFLOPS

Radeon R7 M260 +78%

0.752 TFLOPS

Mobility Radeon HD 3870

VS

Radeon R7 M260

Graphics Card

Jun 2008

Release Date

Jun 2014

M8x

Generation

Gem System

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

-

Base Clock

940 MHz

-

Boost Clock

980 MHz

850 MHz

Memory Clock

900 MHz

Memory

512MB

Memory Size

2GB

GDDR3

Memory Type

DDR3

256bit

Memory Bus

64bit

54.40GB/s

Bandwidth

14.40GB/s

Render Config

-

SM Count

-

4

Compute Units

6

320

Shading Units

384

16

TMUs

24

16

ROPs

8

-

Tensor Cores

-

RT Cores

-

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

128 KB

Theoretical Performance

10.56 GPixel/s

Pixel Rate

7.840 GPixel/s

10.56 GTexel/s

Texture Rate

23.52 GTexel/s

-

FP16 (half)

752.6 GFLOPS

422.4 GFLOPS

FP32 (float)

752.6 GFLOPS

84.48 GFLOPS

FP64 (double)

47.04 GFLOPS

Graphics Processor

M88

GPU Name

Topaz

-

GPU Variant

Topaz XT (216-0858020)

TeraScale

Architecture

GCN 3.0

TSMC

Foundry

TSMC

55 nm

Process Size

28 nm

0.666 billion

Transistors

1.55 billion

192 mm²

Die Size

125 mm²

Board Design

55W

TDP

Unknown

-

Suggested PSU

-

No outputs

Outputs

Portable Device Dependent

-

Power Connectors

-

Graphics Features

10.1 (10_1)

DirectX

12 (12_0)

3.3

OpenGL

4.6

N/A

OpenCL

2.1

N/A

Vulkan

1.2.170

-

CUDA

-

4.1

Shader Model

6.5

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