AMD Radeon HD 8670M vs ATI Mobility Radeon HD 4870

VS

AMD Radeon HD 8670M

ATI Mobility Radeon HD 4870

We compared two Mobile platform GPUs: 1024MB VRAM Radeon HD 8670M and 512MB VRAM Mobility Radeon HD 4870 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 and 2 months late

Boost Clock975MHz

More VRAM (1024GB vs 512GB)

ATI Mobility Radeon HD 4870 's Advantages

Larger VRAM bandwidth (56.83GB/s vs 14.40GB/s)

480 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 8670M

0.624 TFLOPS

Mobility Radeon HD 4870 +41%

0.88 TFLOPS

Radeon HD 8670M

VS

Mobility Radeon HD 4870

Graphics Card

Mar 2013

Release Date

Jan 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

888 MHz

Memory

1024MB

Memory Size

512MB

DDR3

Memory Type

GDDR3

64bit

Memory Bus

256bit

14.40GB/s

Bandwidth

56.83GB/s

Render Config

5

Compute Units

10

-

320

Shading Units

800

20

TMUs

40

8

ROPs

16

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

128 KB

L2 Cache

256 KB

-

Theoretical Performance

7.800 GPixel/s

Pixel Rate

8.800 GPixel/s

19.50 GTexel/s

Texture Rate

22.00 GTexel/s

-

624.0 GFLOPS

FP32 (float)

880.0 GFLOPS

39.00 GFLOPS

FP64 (double)

176.0 GFLOPS

Board Design

Unknown

TDP

Unknown

-

Portable Device Dependent

Outputs

Portable Device Dependent

-

Power Connectors

None

Graphics Processor

Sun

GPU Name

M98

Sun S3 XT (216-0841009)

GPU Variant

M98 XT L2 (216-0732023)

GCN 1.0

Architecture

TeraScale

TSMC

Foundry

TSMC

28 nm

Process Size

55 nm

0.69 billion

Transistors

0.956 billion

56 mm²

Die Size

256 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

Related GPU Comparisons

1

AMD Radeon HD 8670M vs AMD Radeon HD 7770M

2

AMD Radeon HD 8670M vs AMD FirePro M6000

3

AMD Radeon HD 8670M vs NVIDIA GeForce GTX 965M

4

AMD Radeon HD 8670M vs AMD Radeon Pro WX 4150 Mobile

5

AMD Radeon HD 8670M vs NVIDIA GeForce RTX 2060 Mobile Refresh

6

AMD Radeon HD 8670M vs ATI Mobility Radeon HD 560v

7

AMD Radeon HD 8670M vs NVIDIA GeForce MX570 A

8

AMD Radeon HD 8670M vs AMD Radeon HD 6625M

9

AMD Radeon HD 8670M vs AMD Radeon R5 M315

10

AMD Radeon HD 8670M vs AMD Radeon Pro 555

Related News

1

The Commencement of ARM and Qualcomm Licensing Dispute Trial: Potential Major Impact on PC Market

2

NVIDIA Allegedly Equips RTX 5080 with 30Gbps Memory Speed, Other Models to Feature 28Gbps

3

Intel Reports High Return Rates for Devices Featuring Snapdragon X Series; Qualcomm Counters with 'Industry Standard' Claim

4

Intel Confirms Panther Lake Adopts 18A Process, ES0 Samples Already Sent to Customers

5

Complete Lineup of Core Ultra 200HX/H/U and Core 200H/U Revealed: 31 Models to Dazzle the Eyes

6

Amechi Unveils V1 Mini PC: Only 0.33L Volume with 150W Power Consumption

7

iPhone 17 Series Set for Major Design Overhaul: Camera Module Transformed into Sleek Strip

8

The Thinnest iPhone Ever! iPhone 17 Air Reportedly Enters Foxconn's NPI Stage

9

Apple Allegedly Cancels M4 Extreme, Originally Planned for Mac Pro with 64-Core CPU and 160-Core GPU

10

Cyberpunk 2077 Update 2.2: Intel Arrow Lake Gaming Performance Soars by 33%!