AMD Radeon HD 8870M vs AMD Radeon HD 7730M

VS

AMD Radeon HD 8870M

AMD Radeon HD 7730M

We compared two Mobile platform GPUs: 2GB VRAM Radeon HD 8870M and 2GB VRAM Radeon HD 7730M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 8870M 's Advantages

Released 1 years late

Boost Clock has increased by 15% (775MHz vs 675MHz)

Larger VRAM bandwidth (72.00GB/s vs 28.80GB/s)

128 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 8870M +43%

0.992 TFLOPS

Radeon HD 7730M

0.691 TFLOPS

Radeon HD 8870M

VS

Radeon HD 7730M

Graphics Card

Apr 2013

Release Date

Apr 2012

Solar System

Generation

London

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

725 MHz

Base Clock

575 MHz

775 MHz

Boost Clock

675 MHz

1125 MHz

Memory Clock

900 MHz

Memory

2GB

Memory Size

2GB

GDDR5

Memory Type

DDR3

128bit

Memory Bus

128bit

72.00GB/s

Bandwidth

28.80GB/s

Render Config

10

Compute Units

8

-

640

Shading Units

512

40

TMUs

32

16

ROPs

16

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

256 KB

-

Theoretical Performance

12.40 GPixel/s

Pixel Rate

10.80 GPixel/s

31.00 GTexel/s

Texture Rate

21.60 GTexel/s

-

992.0 GFLOPS

FP32 (float)

691.2 GFLOPS

62.00 GFLOPS

FP64 (double)

43.20 GFLOPS

Board Design

Unknown

TDP

25W

-

Portable Device Dependent

Outputs

No outputs

-

Graphics Processor

Venus

GPU Name

Chelsea

Venus XT (216-0846000)

GPU Variant

Chelsea LE (216-0834065)

GCN 1.0

Architecture

GCN 1.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

1.5 billion

Transistors

1.5 billion

123 mm²

Die Size

123 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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