ATI Mobility Radeon HD 3870 vs AMD Radeon HD 7690M

VS

ATI Mobility Radeon HD 3870

AMD Radeon HD 7690M

We compared two Mobile platform GPUs: 512MB VRAM Mobility Radeon HD 3870 and 1024MB VRAM Radeon HD 7690M 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 28.80GB/s)

AMD Radeon HD 7690M 's Advantages

Released 3 years and 6 months late

More VRAM (1024GB vs 512GB)

160 additional rendering cores

Lower TDP (20W vs 55W)

Score

Benchmark

FP32 (float)

Mobility Radeon HD 3870

0.422 TFLOPS

Radeon HD 7690M +64%

0.696 TFLOPS

Mobility Radeon HD 3870

VS

Radeon HD 7690M

Graphics Card

Jun 2008

Release Date

Dec 2011

M8x

Generation

London

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

MXM-A (3.0)

Clock Speeds

-

850 MHz

Memory Clock

900 MHz

Memory

512MB

Memory Size

1024MB

GDDR3

Memory Type

DDR3

256bit

Memory Bus

128bit

54.40GB/s

Bandwidth

28.80GB/s

Render Config

4

Compute Units

6

-

320

Shading Units

480

16

TMUs

24

16

ROPs

16

-

L1 Cache

8 KB (per CU)

256 KB

L2 Cache

256 KB

-

Theoretical Performance

10.56 GPixel/s

Pixel Rate

11.60 GPixel/s

10.56 GTexel/s

Texture Rate

17.40 GTexel/s

-

422.4 GFLOPS

FP32 (float)

696.0 GFLOPS

84.48 GFLOPS

FP64 (double)

-

Board Design

55W

TDP

20W

-

No outputs

Outputs

No outputs

-

Power Connectors

None

Graphics Processor

M88

GPU Name

Thames

-

GPU Variant

Thames XT (216-0833000)

TeraScale

Architecture

TeraScale 2

TSMC

Foundry

TSMC

55 nm

Process Size

40 nm

0.666 billion

Transistors

0.716 billion

192 mm²

Die Size

104 mm²

Graphics Features

10.1 (10_1)

DirectX

11.2 (11_0)

3.3

OpenGL

4.4

N/A

OpenCL

1.2

N/A

Vulkan

N/A

-

4.1

Shader Model

5.0

Related GPU Comparisons

1

ATI Mobility Radeon HD 3870 vs NVIDIA GeForce GTX 1660 Ti Mobile

2

ATI Mobility Radeon HD 3870 vs NVIDIA GeForce GTX 980M

3

ATI Mobility Radeon HD 3870 vs NVIDIA GeForce GT 710M

4

ATI Mobility Radeon HD 3870 vs NVIDIA GeForce 825M

5

ATI Mobility Radeon HD 3870 vs AMD Radeon HD 6430M

6

ATI Mobility Radeon HD 3870 vs NVIDIA GeForce 610M

7

ATI Mobility Radeon HD 3870 vs AMD Radeon E6465

8

ATI Mobility Radeon HD 3870 vs NVIDIA GeForce 820M

9

ATI Mobility Radeon HD 3870 vs AMD Radeon Pro W5500M

10

ATI Mobility Radeon HD 3870 vs NVIDIA GeForce GT 740A

Related News

1

Strix Halo Integrated Graphics Score Appears on Passmark, Currently Slightly Below RTX 3060 12GB

2

AMD Unveils New RX 9070 XT Graphics Card Performance: Positioned Between RX 7900 GRE and RX 7900 XT

3

Double the Excitement! AMD FSR 4.0 to Launch Alongside RX 9070 XT Graphics Card

4

CPU-Z Minor Update: Support for Intel's Four New Products and New Memory

5

CXMT Reportedly Achieves 80% Yield in DDR5 Production

6

Intel Wildcat Lake Appears on Shipping List with FCBGA1516 Socket, Poised to Replace Alder Lake-N

7

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

8

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

9

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

10

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