AMD Radeon HD 7330M vs ATI Mobility Radeon HD 3870

VS

AMD Radeon HD 7330M

ATI Mobility Radeon HD 3870

We compared two Mobile platform GPUs: 1024MB VRAM Radeon HD 7330M and 512MB VRAM Mobility Radeon HD 3870 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7330M 's Advantages

Released 3 years and 7 months late

More VRAM (1024GB vs 512GB)

Lower TDP (5W vs 55W)

ATI Mobility Radeon HD 3870 's Advantages

Larger VRAM bandwidth (54.40GB/s vs 12.80GB/s)

240 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 7330M

0.08 TFLOPS

Mobility Radeon HD 3870 +427%

0.422 TFLOPS

Radeon HD 7330M

VS

Mobility Radeon HD 3870

Graphics Card

Jan 2012

Release Date

Jun 2008

London

Generation

M8x

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

800 MHz

Memory Clock

850 MHz

Memory

1024MB

Memory Size

512MB

DDR3

Memory Type

GDDR3

64bit

Memory Bus

256bit

12.80GB/s

Bandwidth

54.40GB/s

Render Config

2

Compute Units

4

-

80

Shading Units

320

8

TMUs

16

4

ROPs

16

-

8 KB (per CU)

L1 Cache

-

128 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

5W

TDP

55W

-

No outputs

Outputs

No outputs

-

Graphics Processor

Robson

GPU Name

M88

Robson LE

GPU Variant

-

TeraScale 2

Architecture

TeraScale

TSMC

Foundry

TSMC

40 nm

Process Size

55 nm

0.292 billion

Transistors

0.666 billion

59 mm²

Die Size

192 mm²

Graphics Features

11.2 (11_0)

DirectX

10.1 (10_1)

4.4

OpenGL

3.3

1.2

OpenCL

N/A

Vulkan

N/A

-

5.0

Shader Model

4.1

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