AMD Radeon HD 7950M vs ATI Mobility Radeon HD 4830

VS

AMD Radeon HD 7950M

ATI Mobility Radeon HD 4830

We compared two Mobile platform GPUs: 2GB VRAM Radeon HD 7950M and 1024MB VRAM Mobility Radeon HD 4830 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7950M 's Advantages

Released 3 years and 1 months late

More VRAM (2GB vs 1024GB)

Larger VRAM bandwidth (128.0GB/s vs 25.60GB/s)

640 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 7950M +180%

1.792 TFLOPS

Mobility Radeon HD 4830

0.64 TFLOPS

Radeon HD 7950M

VS

Mobility Radeon HD 4830

Graphics Card

Apr 2012

Release Date

Mar 2009

London

Generation

M9x

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1000 MHz

Memory Clock

800 MHz

Memory

2GB

Memory Size

1024MB

GDDR5

Memory Type

GDDR3

256bit

Memory Bus

128bit

128.0GB/s

Bandwidth

25.60GB/s

Render Config

20

Compute Units

8

-

1280

Shading Units

640

80

TMUs

32

ROPs

16

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

128 KB

-

Theoretical Performance

22.40 GPixel/s

Pixel Rate

8.000 GPixel/s

56.00 GTexel/s

Texture Rate

16.00 GTexel/s

-

1.792 TFLOPS

FP32 (float)

640.0 GFLOPS

-

FP64 (double)

128.0 GFLOPS

Board Design

75W

TDP

Unknown

-

No outputs

Outputs

Portable Device Dependent

-

Graphics Processor

Wimbledon

GPU Name

M97

Wimbledon PRO

GPU Variant

M97 M2 (216-0731004)

GCN 1.0

Architecture

TeraScale

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

2.8 billion

Transistors

0.826 billion

212 mm²

Die Size

137 mm²

Graphics Features

12 (11_1)

DirectX

10.1 (10_1)

4.6

OpenGL

3.3

1.2

OpenCL

1.1

1.2

Vulkan

N/A

-

5.1

Shader Model

4.1

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