AMD Radeon R7 M380 vs AMD Radeon HD 6970M Mac Edition

VS

AMD Radeon R7 M380

AMD Radeon HD 6970M Mac Edition

We compared two Mobile platform GPUs: 4GB VRAM Radeon R7 M380 and 2GB VRAM Radeon HD 6970M Mac Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R7 M380 's Advantages

Released 3 years and 9 months late

Boost Clock915MHz

More VRAM (4GB vs 2GB)

AMD Radeon HD 6970M Mac Edition 's Advantages

Larger VRAM bandwidth (115.2GB/s vs 32.00GB/s)

320 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon R7 M380

1.171 TFLOPS

Radeon HD 6970M Mac Edition +11%

1.306 TFLOPS

Radeon R7 M380

VS

Radeon HD 6970M Mac Edition

Graphics Card

May 2015

Release Date

Aug 2011

Gem System

Generation

Vancouver

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

MXM-B (3.0)

Clock Speeds

900 MHz

Base Clock

-

915 MHz

Boost Clock

-

1000 MHz

Memory Clock

900 MHz

Memory

4GB

Memory Size

2GB

DDR3

Memory Type

GDDR5

128bit

Memory Bus

256bit

32.00GB/s

Bandwidth

115.2GB/s

Render Config

10

Compute Units

12

-

640

Shading Units

960

40

TMUs

48

16

ROPs

32

-

16 KB (per CU)

L1 Cache

8 KB (per CU)

256 KB

L2 Cache

512 KB

-

Theoretical Performance

14.64 GPixel/s

Pixel Rate

21.76 GPixel/s

36.60 GTexel/s

Texture Rate

32.64 GTexel/s

-

1171 GFLOPS

FP32 (float)

1306 GFLOPS

73.20 GFLOPS

FP64 (double)

-

Board Design

Unknown

TDP

75W

-

Portable Device Dependent

Outputs

No outputs

-

Power Connectors

None

Graphics Processor

Tropo

GPU Name

Blackcomb

Tropo XT

GPU Variant

Blackcomb XT (216-0811000)

GCN 1.0

Architecture

TeraScale 2

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

1.5 billion

Transistors

1.7 billion

123 mm²

Die Size

212 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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