AMD Radeon R7 M380 vs AMD Radeon HD 6990M Rebrand

VS

AMD Radeon R7 M380

AMD Radeon HD 6990M Rebrand

We compared two Mobile platform GPUs: 4GB VRAM Radeon R7 M380 and 1024MB VRAM Radeon HD 6990M Rebrand 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 10 months late

Boost Clock915MHz

More VRAM (4GB vs 1024GB)

AMD Radeon HD 6990M Rebrand 's Advantages

Larger VRAM bandwidth (70.40GB/s vs 32.00GB/s)

160 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon R7 M380

1.171 TFLOPS

Radeon HD 6990M Rebrand +9%

1.28 TFLOPS

Radeon R7 M380

VS

Radeon HD 6990M Rebrand

Graphics Card

May 2015

Release Date

Jul 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

1100 MHz

Memory

4GB

Memory Size

1024MB

DDR3

Memory Type

GDDR5

128bit

Memory Bus

128bit

32.00GB/s

Bandwidth

70.40GB/s

Render Config

10

Compute Units

14

-

640

Shading Units

800

40

TMUs

40

16

ROPs

16

-

16 KB (per CU)

L1 Cache

8 KB (per CU)

256 KB

L2 Cache

256 KB

-

Theoretical Performance

14.64 GPixel/s

Pixel Rate

12.80 GPixel/s

36.60 GTexel/s

Texture Rate

32.00 GTexel/s

-

1171 GFLOPS

FP32 (float)

1280 GFLOPS

73.20 GFLOPS

FP64 (double)

-

Board Design

Unknown

TDP

100W

-

Portable Device Dependent

Outputs

No outputs

-

Graphics Processor

Tropo

GPU Name

Broadway

Tropo XT

GPU Variant

Broadway XTX

GCN 1.0

Architecture

TeraScale 2

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

1.5 billion

Transistors

1.04 billion

123 mm²

Die Size

166 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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