AMD Radeon 520 Mobile vs AMD Radeon HD 6990M Rebrand

VS

AMD Radeon 520 Mobile

AMD Radeon HD 6990M Rebrand

We compared two Mobile platform GPUs: 2GB VRAM Radeon 520 Mobile 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 520 Mobile 's Advantages

Released 5 years and 9 months late

More VRAM (2GB vs 1024GB)

Lower TDP (50W vs 100W)

AMD Radeon HD 6990M Rebrand 's Advantages

Larger VRAM bandwidth (70.40GB/s vs 16.00GB/s)

480 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon 520 Mobile

0.659 TFLOPS

Radeon HD 6990M Rebrand +94%

1.28 TFLOPS

Radeon 520 Mobile

VS

Radeon HD 6990M Rebrand

Graphics Card

Apr 2017

Release Date

Jul 2011

Mobility Radeon

Generation

Vancouver

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

MXM-B (3.0)

Clock Speeds

-

1000 MHz

Memory Clock

1100 MHz

Memory

2GB

Memory Size

1024MB

DDR3

Memory Type

GDDR5

64bit

Memory Bus

128bit

16.00GB/s

Bandwidth

70.40GB/s

Render Config

5

Compute Units

14

-

320

Shading Units

800

20

TMUs

40

8

ROPs

16

-

16 KB (per CU)

L1 Cache

8 KB (per CU)

128 KB

L2 Cache

256 KB

-

Theoretical Performance

8.240 GPixel/s

Pixel Rate

12.80 GPixel/s

20.60 GTexel/s

Texture Rate

32.00 GTexel/s

-

659.2 GFLOPS

FP32 (float)

1280 GFLOPS

41.20 GFLOPS

FP64 (double)

-

Board Design

50W

TDP

100W

-

No outputs

Outputs

No outputs

None

Power Connectors

-

Graphics Processor

Banks

GPU Name

Broadway

Banks PRO (216-0568010)

GPU Variant

Broadway XTX

GCN 1.0

Architecture

TeraScale 2

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

0.69 billion

Transistors

1.04 billion

56 mm²

Die Size

166 mm²

Graphics Features

12 (11_1)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

1.2

OpenCL

1.2

Vulkan

N/A

-

5.1

Shader Model

5.0

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