ATI Mobility Radeon HD 4670 vs ATI Mobility Radeon HD 5850

VS

ATI Mobility Radeon HD 4670 ATI Mobility Radeon HD 5850

We compared two Mobile platform GPUs: 512MB VRAM Mobility Radeon HD 4670 and 1024MB VRAM Mobility Radeon HD 5850 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Mobility Radeon HD 5850 's Advantages

Released 1 years late

More VRAM (1024GB vs 512GB)

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

480 additional rendering cores

Lower TDP (30W vs 35W)

Score

Benchmark

FP32 (float)

Mobility Radeon HD 4670

0.432 TFLOPS

Mobility Radeon HD 5850 +85%

0.8 TFLOPS

Mobility Radeon HD 4670

VS

Mobility Radeon HD 5850

Graphics Card

Jan 2009

Release Date

Jan 2010

M9x

Generation

Manhattan

Mobile

Type

Mobile

MXM-A (3.0)

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

Base Clock

-

Boost Clock

-

800 MHz

Memory Clock

1000 MHz

Memory

512MB

Memory Size

1024MB

GDDR3

Memory Type

GDDR5

128bit

Memory Bus

128bit

25.60GB/s

Bandwidth

64.00GB/s

Render Config

-

SM Count

-

4

Compute Units

10

320

Shading Units

800

32

TMUs

40

8

ROPs

16

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

8 KB (per CU)

128 KB

L2 Cache

256 KB

Theoretical Performance

5.400 GPixel/s

Pixel Rate

8.000 GPixel/s

21.60 GTexel/s

Texture Rate

20.00 GTexel/s

-

FP16 (half)

-

432.0 GFLOPS

FP32 (float)

800.0 GFLOPS

-

FP64 (double)

-

Graphics Processor

M96

GPU Name

Broadway

M96 XT (216-0729051)

GPU Variant

Broadway PRO (216-0769024)

TeraScale

Architecture

TeraScale 2

TSMC

Foundry

TSMC

55 nm

Process Size

40 nm

0.514 billion

Transistors

1.04 billion

146 mm²

Die Size

166 mm²

Board Design

35W

TDP

30W

-

Suggested PSU

-

No outputs

Outputs

No outputs

-

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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