AMD Radeon R9 M280X vs AMD Radeon HD 6770M

VS

AMD Radeon R9 M280X

AMD Radeon HD 6770M

We compared two Mobile platform GPUs: 4GB VRAM Radeon R9 M280X and 1024MB VRAM Radeon HD 6770M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 M280X 's Advantages

Released 4 years and 1 months late

Boost Clock1000MHz

More VRAM (4GB vs 1024GB)

Larger VRAM bandwidth (88.00GB/s vs 57.60GB/s)

416 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon R9 M280X +157%

1.792 TFLOPS

Radeon HD 6770M

0.696 TFLOPS

Radeon R9 M280X

VS

Radeon HD 6770M

Graphics Card

Feb 2015

Release Date

Jan 2011

Gem System

Generation

Vancouver

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

MXM-A (3.0)

Clock Speeds

900 MHz

Base Clock

-

1000 MHz

Boost Clock

-

1375 MHz

Memory Clock

900 MHz

Memory

4GB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

128bit

88.00GB/s

Bandwidth

57.60GB/s

Render Config

14

Compute Units

6

-

896

Shading Units

480

56

TMUs

24

16

ROPs

8

-

16 KB (per CU)

L1 Cache

8 KB (per CU)

256 KB

L2 Cache

256 KB

-

Theoretical Performance

16.00 GPixel/s

Pixel Rate

5.800 GPixel/s

56.00 GTexel/s

Texture Rate

17.40 GTexel/s

-

1.792 TFLOPS

FP32 (float)

696.0 GFLOPS

112.0 GFLOPS

FP64 (double)

-

Board Design

Unknown

TDP

35W

-

Portable Device Dependent

Outputs

No outputs

-

Graphics Processor

Saturn

GPU Name

Whistler

Saturn XT (216-0843024)

GPU Variant

Whistler XT (216-0810001)

GCN 2.0

Architecture

TeraScale 2

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

2.08 billion

Transistors

0.716 billion

160 mm²

Die Size

104 mm²

Graphics Features

12 (12_0)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

2.1

OpenCL

1.2

1.2.170

Vulkan

N/A

-

6.5

Shader Model

5.0

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