AMD Radeon HD 8670A vs ATI Mobility Radeon HD 4830

VS

AMD Radeon HD 8670A

ATI Mobility Radeon HD 4830

We compared two Mobile platform GPUs: 1024MB VRAM Radeon HD 8670A and 1024MB VRAM Mobility Radeon HD 4830 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 8670A 's Advantages

Released 3 years and 11 months late

ATI Mobility Radeon HD 4830 's Advantages

Larger VRAM bandwidth (25.60GB/s vs 16.00GB/s)

256 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 8670A

0.461 TFLOPS

Mobility Radeon HD 4830 +38%

0.64 TFLOPS

Radeon HD 8670A

VS

Mobility Radeon HD 4830

Graphics Card

Feb 2013

Release Date

Mar 2009

All-In-One

Generation

M9x

Mobile

Type

Mobile

MXM-A (3.0)

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1000 MHz

Memory Clock

800 MHz

Memory

1024MB

Memory Size

1024MB

DDR3

Memory Type

GDDR3

64bit

Memory Bus

128bit

16.00GB/s

Bandwidth

25.60GB/s

Render Config

6

Compute Units

8

-

384

Shading Units

640

24

TMUs

32

8

ROPs

16

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

128 KB

L2 Cache

128 KB

-

Theoretical Performance

4.800 GPixel/s

Pixel Rate

8.000 GPixel/s

14.40 GTexel/s

Texture Rate

16.00 GTexel/s

-

460.8 GFLOPS

FP32 (float)

640.0 GFLOPS

28.80 GFLOPS

FP64 (double)

128.0 GFLOPS

Board Design

45W

TDP

Unknown

-

No outputs

Outputs

Portable Device Dependent

-

Graphics Processor

Mars

GPU Name

M97

Mars XT

GPU Variant

M97 M2 (216-0731004)

GCN 1.0

Architecture

TeraScale

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

0.95 billion

Transistors

0.826 billion

77 mm²

Die Size

137 mm²

Graphics Features

12 (11_1)

DirectX

10.1 (10_1)

4.6

OpenGL

3.3

1.2

OpenCL

1.1

1.2

Vulkan

N/A

-

5.1

Shader Model

4.1

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