AMD Radeon HD 7730M vs ATI Mobility Radeon HD 4860

VS

AMD Radeon HD 7730M

ATI Mobility Radeon HD 4860

We compared two Mobile platform GPUs: 2GB VRAM Radeon HD 7730M and 1024MB VRAM Mobility Radeon HD 4860 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7730M 's Advantages

Released 3 years and 1 months late

Boost Clock675MHz

More VRAM (2GB vs 1024GB)

ATI Mobility Radeon HD 4860 's Advantages

Larger VRAM bandwidth (64.00GB/s vs 28.80GB/s)

128 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 7730M

0.691 TFLOPS

Mobility Radeon HD 4860 +20%

0.832 TFLOPS

Radeon HD 7730M

VS

Mobility Radeon HD 4860

Graphics Card

Apr 2012

Release Date

Mar 2009

London

Generation

M9x

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

575 MHz

Base Clock

-

675 MHz

Boost Clock

-

900 MHz

Memory Clock

1000 MHz

Memory

2GB

Memory Size

1024MB

DDR3

Memory Type

GDDR5

128bit

Memory Bus

128bit

28.80GB/s

Bandwidth

64.00GB/s

Render Config

8

Compute Units

8

-

512

Shading Units

640

32

TMUs

32

16

ROPs

16

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

128 KB

-

Theoretical Performance

10.80 GPixel/s

Pixel Rate

10.40 GPixel/s

21.60 GTexel/s

Texture Rate

20.80 GTexel/s

-

691.2 GFLOPS

FP32 (float)

832.0 GFLOPS

43.20 GFLOPS

FP64 (double)

166.4 GFLOPS

Board Design

25W

TDP

Unknown

-

No outputs

Outputs

Portable Device Dependent

-

Power Connectors

None

Graphics Processor

Chelsea

GPU Name

M97

Chelsea LE (216-0834065)

GPU Variant

M97 M2 XT (216-0731000)

GCN 1.0

Architecture

TeraScale

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

1.5 billion

Transistors

0.826 billion

123 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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