ATI Mobility Radeon HD 5870 vs ATI Mobility Radeon HD 5450

VS

ATI Mobility Radeon HD 5870

ATI Mobility Radeon HD 5450

We compared two Mobile platform GPUs: 1024MB VRAM Mobility Radeon HD 5870 and 1024MB VRAM Mobility Radeon HD 5450 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 12.80GB/s)

720 additional rendering cores

ATI Mobility Radeon HD 5450 's Advantages

Lower TDP (11W vs 50W)

Score

Benchmark

FP32 (float)

Mobility Radeon HD 5870 +937%

1.12 TFLOPS

Mobility Radeon HD 5450

0.108 TFLOPS

Mobility Radeon HD 5870

VS

Mobility Radeon HD 5450

Graphics Card

Jan 2010

Release Date

Jan 2010

Manhattan

Generation

Manhattan

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1000 MHz

Memory Clock

800 MHz

Memory

1024MB

Memory Size

1024MB

GDDR5

Memory Type

GDDR3

128bit

Memory Bus

64bit

64.00GB/s

Bandwidth

12.80GB/s

Render Config

10

Compute Units

1

-

800

Shading Units

80

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

2.700 GPixel/s

28.00 GTexel/s

Texture Rate

5.400 GTexel/s

-

1120 GFLOPS

FP32 (float)

108.0 GFLOPS

-

Board Design

50W

TDP

11W

-

No outputs

Outputs

No outputs

-

Graphics Processor

Broadway

GPU Name

Park

Broadway XT (216-0769008)

GPU Variant

Park PRO (216-0774007)

TeraScale 2

Architecture

TeraScale 2

TSMC

Foundry

TSMC

40 nm

Process Size

40 nm

1.04 billion

Transistors

0.292 billion

166 mm²

Die Size

59 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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