AMD Radeon HD 8730M vs ATI Mobility Radeon HD 4870

VS

AMD Radeon HD 8730M

ATI Mobility Radeon HD 4870

We compared two Mobile platform GPUs: 2GB VRAM Radeon HD 8730M and 512MB VRAM Mobility Radeon HD 4870 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 8730M 's Advantages

Released 4 years and 3 months late

Boost Clock700MHz

More VRAM (2GB vs 512GB)

ATI Mobility Radeon HD 4870 's Advantages

Larger VRAM bandwidth (56.83GB/s vs 28.80GB/s)

416 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 8730M

0.537 TFLOPS

Mobility Radeon HD 4870 +63%

0.88 TFLOPS

Radeon HD 8730M

VS

Mobility Radeon HD 4870

Graphics Card

Apr 2013

Release Date

Jan 2009

Solar System

Generation

M9x

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

PCIe 2.0 x16

Clock Speeds

650 MHz

Base Clock

-

700 MHz

Boost Clock

-

900 MHz

Memory Clock

888 MHz

Memory

2GB

Memory Size

512MB

DDR3

Memory Type

GDDR3

128bit

Memory Bus

256bit

28.80GB/s

Bandwidth

56.83GB/s

Render Config

6

Compute Units

10

-

384

Shading Units

800

24

TMUs

40

8

ROPs

16

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

256 KB

-

Theoretical Performance

5.600 GPixel/s

Pixel Rate

8.800 GPixel/s

16.80 GTexel/s

Texture Rate

22.00 GTexel/s

-

537.6 GFLOPS

FP32 (float)

880.0 GFLOPS

33.60 GFLOPS

FP64 (double)

176.0 GFLOPS

Board Design

Unknown

TDP

Unknown

-

Portable Device Dependent

Outputs

Portable Device Dependent

-

Power Connectors

None

Graphics Processor

Mars

GPU Name

M98

Mars S3 PRO (216-0842027)

GPU Variant

M98 XT L2 (216-0732023)

GCN 1.0

Architecture

TeraScale

TSMC

Foundry

TSMC

28 nm

Process Size

55 nm

0.95 billion

Transistors

0.956 billion

77 mm²

Die Size

256 mm²

Graphics Features

12 (11_1)

DirectX

10.1 (10_1)

4.6

OpenGL

3.3

2.1 (1.2)

OpenCL

1.1

1.2.170

Vulkan

N/A

-

6.5 (5.1)

Shader Model

4.1

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