ATI Mobility Radeon HD 4670 Mac Edition vs AMD Radeon 540 Mobile

VS

ATI Mobility Radeon HD 4670 Mac Edition

AMD Radeon 540 Mobile

We compared two Mobile platform GPUs: 256MB VRAM Mobility Radeon HD 4670 Mac Edition and 2GB VRAM Radeon 540 Mobile to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Mobility Radeon HD 4670 Mac Edition 's Advantages

Lower TDP (35W vs 50W)

AMD Radeon 540 Mobile 's Advantages

Released 9 years and 6 months late

Boost Clock1124MHz

More VRAM (2GB vs 256GB)

Larger VRAM bandwidth (48.00GB/s vs 25.28GB/s)

192 additional rendering cores

Score

Benchmark

FP32 (float)

Mobility Radeon HD 4670 Mac Edition

0.435 TFLOPS

Radeon 540 Mobile +164%

1.151 TFLOPS

Mobility Radeon HD 4670 Mac Edition

VS

Radeon 540 Mobile

Graphics Card

Sep 2009

Release Date

Mar 2019

M9x

Generation

Mobility Radeon

Mobile

Type

Mobile

MXM-A (3.0)

Bus Interface

PCIe 3.0 x8

Clock Speeds

-

Base Clock

1100 MHz

-

Boost Clock

1124 MHz

790 MHz

Memory Clock

1500 MHz

Memory

256MB

Memory Size

2GB

GDDR3

Memory Type

GDDR5

128bit

Memory Bus

64bit

25.28GB/s

Bandwidth

48.00GB/s

Render Config

4

Compute Units

8

-

320

Shading Units

512

32

TMUs

32

8

ROPs

16

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

128 KB

L2 Cache

256 KB

-

Theoretical Performance

5.440 GPixel/s

Pixel Rate

17.98 GPixel/s

21.76 GTexel/s

Texture Rate

35.97 GTexel/s

-

FP16 (half)

1151 GFLOPS

435.2 GFLOPS

FP32 (float)

1151 GFLOPS

-

FP64 (double)

71.94 GFLOPS

Board Design

35W

TDP

50W

-

No outputs

Outputs

No outputs

-

Power Connectors

None

Graphics Processor

M96

GPU Name

Lexa

M96 XT (216-0729051)

GPU Variant

Lexa PRO (215-0904018)

TeraScale

Architecture

GCN 4.0

TSMC

Foundry

GlobalFoundries

55 nm

Process Size

14 nm

0.514 billion

Transistors

2.2 billion

146 mm²

Die Size

103 mm²

Graphics Features

10.1 (10_1)

DirectX

12 (12_0)

3.3

OpenGL

4.6

1.1

OpenCL

2.1

N/A

Vulkan

1.2

-

4.1

Shader Model

6.4

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