ATI Mobility Radeon HD 3870 vs ATI Mobility Radeon HD 4830

VS

ATI Mobility Radeon HD 3870

ATI Mobility Radeon HD 4830

We compared two Mobile platform GPUs: 512MB VRAM Mobility Radeon HD 3870 and 1024MB VRAM Mobility Radeon HD 4830 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Mobility Radeon HD 3870 's Advantages

Larger VRAM bandwidth (54.40GB/s vs 25.60GB/s)

ATI Mobility Radeon HD 4830 's Advantages

Released 9 months late

More VRAM (1024GB vs 512GB)

320 additional rendering cores

Score

Benchmark

FP32 (float)

Mobility Radeon HD 3870

0.422 TFLOPS

Mobility Radeon HD 4830 +51%

0.64 TFLOPS

Mobility Radeon HD 3870

VS

Mobility Radeon HD 4830

Graphics Card

Jun 2008

Release Date

Mar 2009

M8x

Generation

M9x

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

850 MHz

Memory Clock

800 MHz

Memory

512MB

Memory Size

1024MB

GDDR3

Memory Type

GDDR3

256bit

Memory Bus

128bit

54.40GB/s

Bandwidth

25.60GB/s

Render Config

4

Compute Units

8

-

320

Shading Units

640

16

TMUs

32

16

ROPs

16

-

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

128 KB

-

Theoretical Performance

10.56 GPixel/s

Pixel Rate

8.000 GPixel/s

10.56 GTexel/s

Texture Rate

16.00 GTexel/s

-

422.4 GFLOPS

FP32 (float)

640.0 GFLOPS

84.48 GFLOPS

FP64 (double)

128.0 GFLOPS

Board Design

55W

TDP

Unknown

-

No outputs

Outputs

Portable Device Dependent

-

Graphics Processor

M88

GPU Name

M97

-

GPU Variant

M97 M2 (216-0731004)

TeraScale

Architecture

TeraScale

TSMC

Foundry

TSMC

55 nm

Process Size

40 nm

0.666 billion

Transistors

0.826 billion

192 mm²

Die Size

137 mm²

Graphics Features

10.1 (10_1)

DirectX

10.1 (10_1)

3.3

OpenGL

3.3

N/A

OpenCL

1.1

N/A

Vulkan

N/A

-

4.1

Shader Model

4.1

Related GPU Comparisons

1

ATI Mobility Radeon HD 3870 vs AMD Radeon HD 8570A

2

ATI Mobility Radeon HD 3870 vs NVIDIA GeForce RTX 3070 Ti Max-Q

3

ATI Mobility Radeon HD 3870 vs NVIDIA GeForce MX110

4

ATI Mobility Radeon HD 3870 vs AMD Radeon HD 7670M

5

ATI Mobility Radeon HD 3870 vs NVIDIA GeForce MX250

6

ATI Mobility Radeon HD 3870 vs AMD Radeon Pro WX 7130 Mobile

7

ATI Mobility Radeon HD 3870 vs NVIDIA GeForce GTX 1650 Max Q

8

ATI Mobility Radeon HD 3870 vs AMD Radeon E9260 PCIe

9

ATI Mobility Radeon HD 3870 vs AMD Radeon Pro 5600M

10

ATI Mobility Radeon HD 3870 vs AMD Radeon R9 M385

Related News

1

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

2

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

3

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

4

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

5

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

6

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

7

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

8

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

9

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

10

Intel Finally Achieves Frame Generation! 'F1 24' Becomes the First XeSS 2 Game