AMD Radeon HD 8670M vs ATI Mobility Radeon HD 4830

VS

AMD Radeon HD 8670M

ATI Mobility Radeon HD 4830

We compared two Mobile platform GPUs: 1024MB VRAM Radeon HD 8670M 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 8670M 's Advantages

Released 4 years late

Boost Clock975MHz

ATI Mobility Radeon HD 4830 's Advantages

Larger VRAM bandwidth (25.60GB/s vs 14.40GB/s)

320 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 8670M

0.624 TFLOPS

Mobility Radeon HD 4830 +2%

0.64 TFLOPS

Radeon HD 8670M

VS

Mobility Radeon HD 4830

Graphics Card

Mar 2013

Release Date

Mar 2009

Solar System

Generation

M9x

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

PCIe 2.0 x16

Clock Speeds

925 MHz

Base Clock

-

975 MHz

Boost Clock

-

900 MHz

Memory Clock

800 MHz

Memory

1024MB

Memory Size

1024MB

DDR3

Memory Type

GDDR3

64bit

Memory Bus

128bit

14.40GB/s

Bandwidth

25.60GB/s

Render Config

5

Compute Units

8

-

320

Shading Units

640

20

TMUs

32

8

ROPs

16

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

128 KB

L2 Cache

128 KB

-

Theoretical Performance

7.800 GPixel/s

Pixel Rate

8.000 GPixel/s

19.50 GTexel/s

Texture Rate

16.00 GTexel/s

-

624.0 GFLOPS

FP32 (float)

640.0 GFLOPS

39.00 GFLOPS

FP64 (double)

128.0 GFLOPS

Board Design

Unknown

TDP

Unknown

-

Portable Device Dependent

Outputs

Portable Device Dependent

-

Graphics Processor

Sun

GPU Name

M97

Sun S3 XT (216-0841009)

GPU Variant

M97 M2 (216-0731004)

GCN 1.0

Architecture

TeraScale

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

0.69 billion

Transistors

0.826 billion

56 mm²

Die Size

137 mm²

Graphics Features

12 (11_1)

DirectX

10.1 (10_1)

4.6

OpenGL

3.3

2.1 (1.2)

OpenCL

1.1

1.2.170

Vulkan

N/A

-

6.5 (5.1)

Shader Model

4.1

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