AMD Radeon HD 8670A vs ATI Mobility Radeon HD 5670 Mac Edition

VS

AMD Radeon HD 8670A

ATI Mobility Radeon HD 5670 Mac Edition

We compared two Mobile platform GPUs: 1024MB VRAM Radeon HD 8670A and 512MB VRAM Mobility Radeon HD 5670 Mac Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 8670A 's Advantages

Released 2 years and 10 months late

More VRAM (1024GB vs 512GB)

ATI Mobility Radeon HD 5670 Mac Edition 's Advantages

Larger VRAM bandwidth (25.44GB/s vs 16.00GB/s)

16 additional rendering cores

Lower TDP (15W vs 45W)

Score

Benchmark

FP32 (float)

Radeon HD 8670A

0.461 TFLOPS

Mobility Radeon HD 5670 Mac Edition +12%

0.52 TFLOPS

Radeon HD 8670A

VS

Mobility Radeon HD 5670 Mac Edition

Graphics Card

Feb 2013

Release Date

Apr 2010

All-In-One

Generation

Manhattan

Mobile

Type

Mobile

MXM-A (3.0)

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1000 MHz

Memory Clock

795 MHz

Memory

1024MB

Memory Size

512MB

DDR3

Memory Type

GDDR3

64bit

Memory Bus

128bit

16.00GB/s

Bandwidth

25.44GB/s

Render Config

6

Compute Units

5

-

384

Shading Units

400

24

TMUs

20

8

ROPs

8

-

16 KB (per CU)

L1 Cache

8 KB (per CU)

128 KB

L2 Cache

256 KB

-

Theoretical Performance

4.800 GPixel/s

Pixel Rate

5.200 GPixel/s

14.40 GTexel/s

Texture Rate

13.00 GTexel/s

-

460.8 GFLOPS

FP32 (float)

520.0 GFLOPS

28.80 GFLOPS

FP64 (double)

-

Board Design

45W

TDP

15W

-

No outputs

Outputs

No outputs

-

Graphics Processor

Mars

GPU Name

Madison

Mars XT

GPU Variant

Madison XT (216-0772003)

GCN 1.0

Architecture

TeraScale 2

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

0.95 billion

Transistors

0.627 billion

77 mm²

Die Size

104 mm²

Graphics Features

12 (11_1)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

1.2

OpenCL

1.2

Vulkan

N/A

-

5.1

Shader Model

5.0

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