AMD Radeon R7 M460 vs AMD Radeon HD 6990M Rebrand

VS

AMD Radeon R7 M460

AMD Radeon HD 6990M Rebrand

We compared two Mobile platform GPUs: 2GB VRAM Radeon R7 M460 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 M460 's Advantages

Released 4 years and 10 months late

Boost Clock1024MHz

More VRAM (2GB vs 1024GB)

AMD Radeon HD 6990M Rebrand 's Advantages

Larger VRAM bandwidth (70.40GB/s vs 36.00GB/s)

416 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon R7 M460

0.786 TFLOPS

Radeon HD 6990M Rebrand +62%

1.28 TFLOPS

Radeon R7 M460

VS

Radeon HD 6990M Rebrand

Graphics Card

May 2016

Release Date

Jul 2011

Gem System

Generation

Vancouver

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

MXM-B (3.0)

Clock Speeds

730 MHz

Base Clock

-

1024 MHz

Boost Clock

-

1125 MHz

Memory Clock

1100 MHz

Memory

2GB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

64bit

Memory Bus

128bit

36.00GB/s

Bandwidth

70.40GB/s

Render Config

6

Compute Units

14

-

384

Shading Units

800

24

TMUs

40

8

ROPs

16

-

16 KB (per CU)

L1 Cache

8 KB (per CU)

128 KB

L2 Cache

256 KB

-

Theoretical Performance

8.192 GPixel/s

Pixel Rate

12.80 GPixel/s

24.58 GTexel/s

Texture Rate

32.00 GTexel/s

786.4 GFLOPS

FP16 (half)

-

786.4 GFLOPS

FP32 (float)

1280 GFLOPS

49.15 GFLOPS

FP64 (double)

-

Board Design

Unknown

TDP

100W

-

Portable Device Dependent

Outputs

No outputs

-

Graphics Processor

Meso

GPU Name

Broadway

Meso XT (216-0864018)

GPU Variant

Broadway XTX

GCN 3.0

Architecture

TeraScale 2

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

1.55 billion

Transistors

1.04 billion

125 mm²

Die Size

166 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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