AMD Radeon E8870 vs ATI Mobility Radeon HD 4670 Mac Edition

VS

AMD Radeon E8870

ATI Mobility Radeon HD 4670 Mac Edition

We compared two Mobile platform GPUs: 4GB VRAM Radeon E8870 and 256MB VRAM Mobility Radeon HD 4670 Mac Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon E8870 's Advantages

Released 6 years late

More VRAM (4GB vs 256GB)

Larger VRAM bandwidth (96.00GB/s vs 25.28GB/s)

448 additional rendering cores

ATI Mobility Radeon HD 4670 Mac Edition 's Advantages

Lower TDP (35W vs 75W)

Score

Benchmark

FP32 (float)

Radeon E8870 +253%

1.536 TFLOPS

Mobility Radeon HD 4670 Mac Edition

0.435 TFLOPS

Radeon E8870

VS

Mobility Radeon HD 4670 Mac Edition

Graphics Card

Sep 2015

Release Date

Sep 2009

Embedded

Generation

M9x

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

MXM-A (3.0)

Clock Speeds

-

1500 MHz

Memory Clock

790 MHz

Memory

4GB

Memory Size

256MB

GDDR5

Memory Type

GDDR3

128bit

Memory Bus

128bit

96.00GB/s

Bandwidth

25.28GB/s

Render Config

12

Compute Units

4

-

768

Shading Units

320

48

TMUs

32

16

ROPs

8

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

128 KB

-

Theoretical Performance

16.00 GPixel/s

Pixel Rate

5.440 GPixel/s

48.00 GTexel/s

Texture Rate

21.76 GTexel/s

-

1.536 TFLOPS

FP32 (float)

435.2 GFLOPS

96.00 GFLOPS

FP64 (double)

-

Board Design

75W

TDP

35W

-

No outputs

Outputs

No outputs

None

Power Connectors

-

Graphics Processor

Saturn

GPU Name

M96

Saturn PRO

GPU Variant

M96 XT (216-0729051)

GCN 2.0

Architecture

TeraScale

TSMC

Foundry

TSMC

28 nm

Process Size

55 nm

2.08 billion

Transistors

0.514 billion

160 mm²

Die Size

146 mm²

Graphics Features

12 (12_0)

DirectX

10.1 (10_1)

4.6

OpenGL

3.3

2.0

OpenCL

1.1

1.2

Vulkan

N/A

-

6.3

Shader Model

4.1

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