ATI Mobility Radeon HD 5870 vs AMD Radeon HD 7450M

VS

ATI Mobility Radeon HD 5870

AMD Radeon HD 7450M

We compared two Mobile platform GPUs: 1024MB VRAM Mobility Radeon HD 5870 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 5870 's Advantages

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

640 additional rendering cores

AMD Radeon HD 7450M 's Advantages

Released 2 years late

Lower TDP (7W vs 50W)

Score

Benchmark

FP32 (float)

Mobility Radeon HD 5870 +400%

1.12 TFLOPS

Radeon HD 7450M

0.224 TFLOPS

Mobility Radeon HD 5870

VS

Radeon HD 7450M

Graphics Card

Jan 2010

Release Date

Jan 2012

Manhattan

Generation

London

Mobile

Type

Mobile

MXM-B (3.0)

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

10

Compute Units

2

-

800

Shading Units

160

40

TMUs

8

16

ROPs

4

-

8 KB (per CU)

L1 Cache

8 KB (per CU)

256 KB

L2 Cache

128 KB

-

Theoretical Performance

11.20 GPixel/s

Pixel Rate

2.800 GPixel/s

28.00 GTexel/s

Texture Rate

5.600 GTexel/s

-

1120 GFLOPS

FP32 (float)

224.0 GFLOPS

-

Board Design

50W

TDP

7W

-

No outputs

Outputs

No outputs

-

Graphics Processor

Broadway

GPU Name

Seymour

Broadway XT (216-0769008)

GPU Variant

Seymour PRO

TeraScale 2

Architecture

TeraScale 2

TSMC

Foundry

TSMC

40 nm

Process Size

40 nm

1.04 billion

Transistors

0.37 billion

166 mm²

Die Size

67 mm²

Graphics Features

11.2 (11_0)

DirectX

11.2 (11_0)

4.4

OpenGL

4.4

1.2

OpenCL

1.2

N/A

Vulkan

N/A

-

5.0

Shader Model

5.0

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