ATI Mobility Radeon HD 4860 vs AMD Radeon HD 7450A

VS

ATI Mobility Radeon HD 4860 AMD Radeon HD 7450A

We compared two Mobile platform GPUs: 1024MB VRAM Mobility Radeon HD 4860 and 512MB VRAM Radeon HD 7450A to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Mobility Radeon HD 4860 's Advantages

More VRAM (1024GB vs 512GB)

Larger VRAM bandwidth (64.00GB/s vs 12.80GB/s)

480 additional rendering cores

AMD Radeon HD 7450A 's Advantages

Released 2 years and 10 months late

Score

Benchmark

FP32 (float)

Mobility Radeon HD 4860 +316%

0.832 TFLOPS

Radeon HD 7450A

0.2 TFLOPS

Mobility Radeon HD 4860

VS

Radeon HD 7450A

Graphics Card

Mar 2009

Release Date

Jan 2012

M9x

Generation

All-In-One

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

MXM-A (3.0)

Clock Speeds

-

Base Clock

-

Boost Clock

-

1000 MHz

Memory Clock

800 MHz

Memory

1024MB

Memory Size

512MB

GDDR5

Memory Type

GDDR3

128bit

Memory Bus

64bit

64.00GB/s

Bandwidth

12.80GB/s

Render Config

-

SM Count

-

8

Compute Units

2

640

Shading Units

160

32

TMUs

8

16

ROPs

4

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

8 KB (per CU)

128 KB

L2 Cache

128 KB

Theoretical Performance

10.40 GPixel/s

Pixel Rate

2.500 GPixel/s

20.80 GTexel/s

Texture Rate

5.000 GTexel/s

-

FP16 (half)

-

832.0 GFLOPS

FP32 (float)

200.0 GFLOPS

166.4 GFLOPS

FP64 (double)

-

Graphics Processor

M97

GPU Name

Caicos

M97 M2 XT (216-0731000)

GPU Variant

-

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

Board Design

Unknown

TDP

25W

-

Suggested PSU

-

Portable Device Dependent

Outputs

No outputs

None

Power Connectors

-

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

-

CUDA

-

4.1

Shader Model

5.0

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