ATI Mobility Radeon HD 4530 vs ATI Mobility Radeon HD 3870 X2

VS

ATI Mobility Radeon HD 4530

ATI Mobility Radeon HD 3870 X2

We compared two Mobile platform GPUs: 512MB VRAM Mobility Radeon HD 4530 and 512MB VRAM Mobility Radeon HD 3870 X2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Mobility Radeon HD 3870 X2 's Advantages

Larger VRAM bandwidth (54.40GB/s vs 11.20GB/s)

240 additional rendering cores

Score

Benchmark

FP32 (float)

Mobility Radeon HD 4530

0.08 TFLOPS

Mobility Radeon HD 3870 X2 +427%

0.422 TFLOPS

Mobility Radeon HD 4530

VS

Mobility Radeon HD 3870 X2

Graphics Card

Jan 2009

Release Date

Sep 2008

M9x

Generation

M8x

Mobile

Type

Mobile

MXM-II

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

700 MHz

Memory Clock

850 MHz

Memory

512MB

Memory Size

512MB

GDDR3

Memory Type

GDDR3

64bit

Memory Bus

256bit

11.20GB/s

Bandwidth

54.40GB/s

Render Config

1

Compute Units

4

-

80

Shading Units

320

8

TMUs

16

4

ROPs

16

-

16 KB (per CU)

L1 Cache

-

64 KB

L2 Cache

256 KB

-

Theoretical Performance

2.000 GPixel/s

Pixel Rate

10.56 GPixel/s

4.000 GTexel/s

Texture Rate

10.56 GTexel/s

-

80.00 GFLOPS

FP32 (float)

422.4 GFLOPS

-

FP64 (double)

84.48 GFLOPS

Board Design

Unknown

TDP

110W

-

Portable Device Dependent

Outputs

No outputs

None

Power Connectors

-

Graphics Processor

M92

GPU Name

M88

M92-M2 A11 (216-0728000)

GPU Variant

-

TeraScale

Architecture

TeraScale

TSMC

Foundry

TSMC

55 nm

Process Size

55 nm

0.242 billion

Transistors

0.666 billion

73 mm²

Die Size

192 mm²

Graphics Features

10.1 (10_1)

DirectX

10.1 (10_1)

3.3

OpenGL

3.3

1.1

OpenCL

N/A

Vulkan

N/A

-

4.1

Shader Model

4.1

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