AMD Radeon HD 6770M vs AMD Radeon R7 A260

VS

We compared two Mobile platform GPUs: 1024MB VRAM Radeon HD 6770M and 1024MB VRAM Radeon R7 A260 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6770M 's Advantages

96 additional rendering cores

AMD Radeon R7 A260 's Advantages

Released 3 years late

Boost Clock980MHz

Score

Benchmark

FP32 (float)

Radeon HD 6770M

0.696 TFLOPS

Radeon R7 A260 +8%

0.752 TFLOPS

Radeon HD 6770M

VS

Radeon R7 A260

Graphics Card

Jan 2011

Release Date

Jan 2014

Vancouver

Generation

All-In-One

Mobile

Type

Mobile

MXM-A (3.0)

Bus Interface

PCIe 3.0 x8

Clock Speeds

-

Base Clock

900 MHz

-

Boost Clock

980 MHz

900 MHz

Memory Clock

900 MHz

Memory

1024MB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

128bit

57.60GB/s

Bandwidth

57.60GB/s

Render Config

-

SM Count

-

6

Compute Units

6

480

Shading Units

384

24

TMUs

24

8

ROPs

8

-

Tensor Cores

-

RT Cores

-

8 KB (per CU)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

256 KB

Theoretical Performance

5.800 GPixel/s

Pixel Rate

7.840 GPixel/s

17.40 GTexel/s

Texture Rate

23.52 GTexel/s

-

FP16 (half)

-

696.0 GFLOPS

FP32 (float)

752.6 GFLOPS

-

FP64 (double)

-

Graphics Processor

Whistler

GPU Name

Topaz

Whistler XT (216-0810001)

GPU Variant

Topaz XT (216-0858020)

TeraScale 2

Architecture

GCN 3.0

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

0.716 billion

Transistors

1.55 billion

104 mm²

Die Size

125 mm²

Board Design

35W

TDP

Unknown

-

Suggested PSU

-

No outputs

Outputs

Portable Device Dependent

-

Power Connectors

-

Graphics Features

11.2 (11_0)

DirectX

12 (12_0)

4.4

OpenGL

4.6

1.2

OpenCL

2.1

N/A

Vulkan

1.2.170

-

CUDA

-

5.0

Shader Model

6.5

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