ATI Mobility Radeon HD 5830 vs AMD Radeon HD 7870M

VS

ATI Mobility Radeon HD 5830

AMD Radeon HD 7870M

We compared two Mobile platform GPUs: 1024MB VRAM Mobility Radeon HD 5830 and 2GB VRAM Radeon HD 7870M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Mobility Radeon HD 5830 's Advantages

160 additional rendering cores

Lower TDP (24W vs 45W)

AMD Radeon HD 7870M 's Advantages

Released 2 years and 3 months late

More VRAM (2GB vs 1024GB)

Larger VRAM bandwidth (64.00GB/s vs 25.60GB/s)

Score

Benchmark

FP32 (float)

Mobility Radeon HD 5830

0.8 TFLOPS

Radeon HD 7870M +28%

1.024 TFLOPS

Mobility Radeon HD 5830

VS

Radeon HD 7870M

Graphics Card

Jan 2010

Release Date

Apr 2012

Manhattan

Generation

London

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

800 MHz

Memory Clock

1000 MHz

Memory

1024MB

Memory Size

2GB

GDDR3

Memory Type

GDDR5

128bit

Memory Bus

128bit

25.60GB/s

Bandwidth

64.00GB/s

Render Config

10

Compute Units

10

-

800

Shading Units

640

40

TMUs

40

16

ROPs

16

-

8 KB (per CU)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

256 KB

-

Theoretical Performance

8.000 GPixel/s

Pixel Rate

12.80 GPixel/s

20.00 GTexel/s

Texture Rate

32.00 GTexel/s

-

800.0 GFLOPS

FP32 (float)

1024 GFLOPS

-

FP64 (double)

64.00 GFLOPS

Board Design

24W

TDP

45W

-

No outputs

Outputs

No outputs

-

Graphics Processor

Broadway

GPU Name

Heathrow

Broadway LE

GPU Variant

Heathrow XT (216-0835033)

TeraScale 2

Architecture

GCN 1.0

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

1.04 billion

Transistors

1.5 billion

166 mm²

Die Size

123 mm²

Graphics Features

11.2 (11_0)

DirectX

12 (11_1)

4.4

OpenGL

4.6

1.2

OpenCL

1.2

N/A

Vulkan

1.2

-

5.0

Shader Model

5.1

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