AMD Radeon R7 M260 vs AMD Radeon HD 7770M

VS

AMD Radeon R7 M260

AMD Radeon HD 7770M

We compared two Mobile platform GPUs: 2GB VRAM Radeon R7 M260 and 1024MB VRAM Radeon HD 7770M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R7 M260 's Advantages

Released 2 years and 2 months late

Boost Clock980MHz

More VRAM (2GB vs 1024GB)

AMD Radeon HD 7770M 's Advantages

Larger VRAM bandwidth (64.00GB/s vs 14.40GB/s)

128 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon R7 M260 +8%

0.752 TFLOPS

Radeon HD 7770M

0.691 TFLOPS

Radeon R7 M260

VS

Radeon HD 7770M

Graphics Card

Jun 2014

Release Date

Apr 2012

Gem System

Generation

London

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

PCIe 2.0 x16

Clock Speeds

940 MHz

Base Clock

-

980 MHz

Boost Clock

-

900 MHz

Memory Clock

1000 MHz

Memory

2GB

Memory Size

1024MB

DDR3

Memory Type

GDDR5

64bit

Memory Bus

128bit

14.40GB/s

Bandwidth

64.00GB/s

Render Config

6

Compute Units

8

-

384

Shading Units

512

24

TMUs

32

8

ROPs

16

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

128 KB

L2 Cache

256 KB

-

Theoretical Performance

7.840 GPixel/s

Pixel Rate

10.80 GPixel/s

23.52 GTexel/s

Texture Rate

21.60 GTexel/s

752.6 GFLOPS

FP16 (half)

-

752.6 GFLOPS

FP32 (float)

691.2 GFLOPS

47.04 GFLOPS

FP64 (double)

43.20 GFLOPS

Board Design

Unknown

TDP

32W

-

Portable Device Dependent

Outputs

No outputs

-

Graphics Processor

Topaz

GPU Name

Chelsea

Topaz XT (216-0858020)

GPU Variant

Chelsea XT

GCN 3.0

Architecture

GCN 1.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

1.55 billion

Transistors

1.5 billion

125 mm²

Die Size

123 mm²

Graphics Features

12 (12_0)

DirectX

12 (11_1)

4.6

OpenGL

4.6

2.1

OpenCL

1.2

1.2.170

Vulkan

1.2

-

6.5

Shader Model

5.1

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