AMD Radeon HD 8870M vs AMD Radeon 520 Mobile

VS

AMD Radeon HD 8870M

AMD Radeon 520 Mobile

We compared two Mobile platform GPUs: 2GB VRAM Radeon HD 8870M and 2GB VRAM Radeon 520 Mobile to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 8870M 's Advantages

Boost Clock775MHz

Larger VRAM bandwidth (72.00GB/s vs 16.00GB/s)

320 additional rendering cores

AMD Radeon 520 Mobile 's Advantages

Released 4 years late

Score

Benchmark

FP32 (float)

Radeon HD 8870M +50%

0.992 TFLOPS

Radeon 520 Mobile

0.659 TFLOPS

Radeon HD 8870M

VS

Radeon 520 Mobile

Graphics Card

Apr 2013

Release Date

Apr 2017

Solar System

Generation

Mobility Radeon

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

725 MHz

Base Clock

-

775 MHz

Boost Clock

-

1125 MHz

Memory Clock

1000 MHz

Memory

2GB

Memory Size

2GB

GDDR5

Memory Type

DDR3

128bit

Memory Bus

64bit

72.00GB/s

Bandwidth

16.00GB/s

Render Config

10

Compute Units

5

-

640

Shading Units

320

40

TMUs

20

16

ROPs

8

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

128 KB

-

Theoretical Performance

12.40 GPixel/s

Pixel Rate

8.240 GPixel/s

31.00 GTexel/s

Texture Rate

20.60 GTexel/s

-

992.0 GFLOPS

FP32 (float)

659.2 GFLOPS

62.00 GFLOPS

FP64 (double)

41.20 GFLOPS

Board Design

Unknown

TDP

50W

-

Portable Device Dependent

Outputs

No outputs

-

Power Connectors

None

Graphics Processor

Venus

GPU Name

Banks

Venus XT (216-0846000)

GPU Variant

Banks PRO (216-0568010)

GCN 1.0

Architecture

GCN 1.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

1.5 billion

Transistors

0.69 billion

123 mm²

Die Size

56 mm²

Graphics Features

12 (11_1)

DirectX

12 (11_1)

4.6

OpenGL

4.6

2.1 (1.2)

OpenCL

1.2

1.2.170

Vulkan

1.2

-

6.5 (5.1)

Shader Model

5.1

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