ATI Mobility Radeon HD 4860 vs AMD Radeon HD 7450M

VS

ATI Mobility Radeon HD 4860

AMD Radeon HD 7450M

We compared two Mobile platform GPUs: 1024MB VRAM Mobility Radeon HD 4860 and 1024MB VRAM Radeon HD 7450M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Mobility Radeon HD 4860 's Advantages

Larger VRAM bandwidth (64.00GB/s vs 14.40GB/s)

480 additional rendering cores

AMD Radeon HD 7450M 's Advantages

Released 2 years and 10 months late

Score

Benchmark

FP32 (float)

Mobility Radeon HD 4860 +271%

0.832 TFLOPS

Radeon HD 7450M

0.224 TFLOPS

Mobility Radeon HD 4860

VS

Radeon HD 7450M

Graphics Card

Mar 2009

Release Date

Jan 2012

M9x

Generation

London

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1000 MHz

Memory Clock

900 MHz

Memory

1024MB

Memory Size

1024MB

GDDR5

Memory Type

DDR3

128bit

Memory Bus

64bit

64.00GB/s

Bandwidth

14.40GB/s

Render Config

8

Compute Units

2

-

640

Shading Units

160

32

TMUs

8

16

ROPs

4

-

16 KB (per CU)

L1 Cache

8 KB (per CU)

128 KB

L2 Cache

128 KB

-

Theoretical Performance

10.40 GPixel/s

Pixel Rate

2.800 GPixel/s

20.80 GTexel/s

Texture Rate

5.600 GTexel/s

-

832.0 GFLOPS

FP32 (float)

224.0 GFLOPS

166.4 GFLOPS

FP64 (double)

-

Board Design

Unknown

TDP

7W

-

Portable Device Dependent

Outputs

No outputs

None

Power Connectors

-

Graphics Processor

M97

GPU Name

Seymour

M97 M2 XT (216-0731000)

GPU Variant

Seymour PRO

TeraScale

Architecture

TeraScale 2

TSMC

Foundry

TSMC

40 nm

Process Size

40 nm

0.826 billion

Transistors

0.37 billion

137 mm²

Die Size

67 mm²

Graphics Features

10.1 (10_1)

DirectX

11.2 (11_0)

3.3

OpenGL

4.4

1.1

OpenCL

1.2

N/A

Vulkan

N/A

-

4.1

Shader Model

5.0

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