AMD Radeon HD 8870M vs ATI Mobility Radeon HD 4330

VS

AMD Radeon HD 8870M

ATI Mobility Radeon HD 4330

We compared two Mobile platform GPUs: 2GB VRAM Radeon HD 8870M and 512MB VRAM Mobility Radeon HD 4330 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 8870M 's Advantages

Released 4 years and 3 months late

Boost Clock775MHz

More VRAM (2GB vs 512GB)

Larger VRAM bandwidth (72.00GB/s vs 9.600GB/s)

560 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 8870M +1277%

0.992 TFLOPS

Mobility Radeon HD 4330

0.072 TFLOPS

Radeon HD 8870M

VS

Mobility Radeon HD 4330

Graphics Card

Apr 2013

Release Date

Jan 2009

Solar System

Generation

M9x

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

725 MHz

Base Clock

-

775 MHz

Boost Clock

-

1125 MHz

Memory Clock

600 MHz

Memory

2GB

Memory Size

512MB

GDDR5

Memory Type

GDDR3

128bit

Memory Bus

64bit

72.00GB/s

Bandwidth

9.600GB/s

Render Config

10

Compute Units

1

-

640

Shading Units

80

40

TMUs

8

16

ROPs

4

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

64 KB

-

Theoretical Performance

12.40 GPixel/s

Pixel Rate

1.800 GPixel/s

31.00 GTexel/s

Texture Rate

3.600 GTexel/s

-

992.0 GFLOPS

FP32 (float)

72.00 GFLOPS

62.00 GFLOPS

FP64 (double)

-

Board Design

Unknown

TDP

Unknown

-

Portable Device Dependent

Outputs

Portable Device Dependent

-

Power Connectors

None

Graphics Processor

Venus

GPU Name

M92

Venus XT (216-0846000)

GPU Variant

M92-M (216-0728009)

GCN 1.0

Architecture

TeraScale

TSMC

Foundry

TSMC

28 nm

Process Size

55 nm

1.5 billion

Transistors

0.242 billion

123 mm²

Die Size

73 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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