AMD Radeon R5 M320 vs AMD Radeon HD 6770M Mac Edition

VS

AMD Radeon R5 M320

AMD Radeon HD 6770M Mac Edition

We compared two Mobile platform GPUs: 4GB VRAM Radeon R5 M320 and 512MB VRAM Radeon HD 6770M Mac Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R5 M320 's Advantages

Released 4 years and 4 months late

Boost Clock855MHz

More VRAM (4GB vs 512GB)

AMD Radeon HD 6770M Mac Edition 's Advantages

Larger VRAM bandwidth (57.60GB/s vs 16.00GB/s)

160 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon R5 M320

0.547 TFLOPS

Radeon HD 6770M Mac Edition +27%

0.696 TFLOPS

Radeon R5 M320

VS

Radeon HD 6770M Mac Edition

Graphics Card

May 2015

Release Date

Jan 2011

Gem System

Generation

Vancouver

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

MXM-A (3.0)

Clock Speeds

780 MHz

Base Clock

-

855 MHz

Boost Clock

-

1000 MHz

Memory Clock

900 MHz

Memory

4GB

Memory Size

512MB

DDR3

Memory Type

GDDR5

64bit

Memory Bus

128bit

16.00GB/s

Bandwidth

57.60GB/s

Render Config

5

Compute Units

6

-

320

Shading Units

480

20

TMUs

24

8

ROPs

8

-

16 KB (per CU)

L1 Cache

8 KB (per CU)

128 KB

L2 Cache

256 KB

-

Theoretical Performance

6.840 GPixel/s

Pixel Rate

5.800 GPixel/s

17.10 GTexel/s

Texture Rate

17.40 GTexel/s

-

547.2 GFLOPS

FP32 (float)

696.0 GFLOPS

34.20 GFLOPS

FP64 (double)

-

Board Design

Unknown

TDP

35W

-

Portable Device Dependent

Outputs

No outputs

-

Graphics Processor

Jet

GPU Name

Whistler

Jet PRO (216-0856040)

GPU Variant

Whistler XT (216-0810001)

GCN 1.0

Architecture

TeraScale 2

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

0.69 billion

Transistors

0.716 billion

56 mm²

Die Size

104 mm²

Graphics Features

12 (11_1)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

2.1 (1.2)

OpenCL

1.2

1.2.170

Vulkan

N/A

-

6.5 (5.1)

Shader Model

5.0

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