AMD Radeon 520 Mobile vs AMD Radeon HD 6870M

VS

AMD Radeon 520 Mobile

AMD Radeon HD 6870M

We compared two Mobile platform GPUs: 2GB VRAM Radeon 520 Mobile and 1024MB VRAM Radeon HD 6870M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon 520 Mobile 's Advantages

Released 6 years and 3 months late

More VRAM (2GB vs 1024GB)

AMD Radeon HD 6870M 's Advantages

Larger VRAM bandwidth (64.00GB/s vs 16.00GB/s)

480 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon 520 Mobile

0.659 TFLOPS

Radeon HD 6870M +63%

1.08 TFLOPS

Radeon 520 Mobile

VS

Radeon HD 6870M

Graphics Card

Apr 2017

Release Date

Jan 2011

Mobility Radeon

Generation

Vancouver

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

MXM-B (3.0)

Clock Speeds

-

1000 MHz

Memory Clock

1000 MHz

Memory

2GB

Memory Size

1024MB

DDR3

Memory Type

GDDR5

64bit

Memory Bus

128bit

16.00GB/s

Bandwidth

64.00GB/s

Render Config

5

Compute Units

10

-

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

10.80 GPixel/s

20.60 GTexel/s

Texture Rate

27.00 GTexel/s

-

659.2 GFLOPS

FP32 (float)

1080 GFLOPS

41.20 GFLOPS

FP64 (double)

-

Board Design

50W

TDP

50W

-

No outputs

Outputs

No outputs

None

Power Connectors

-

Graphics Processor

Banks

GPU Name

Granville

Banks PRO (216-0568010)

GPU Variant

Granville XT (216-0769024)

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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