AMD Radeon HD 7690M XT Rebrand vs ATI Mobility Radeon HD 3850

VS

AMD Radeon HD 7690M XT Rebrand

ATI Mobility Radeon HD 3850

We compared two Mobile platform GPUs: 1024MB VRAM Radeon HD 7690M XT Rebrand and 512MB VRAM Mobility Radeon HD 3850 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7690M XT Rebrand 's Advantages

Released 3 years and 7 months late

More VRAM (1024GB vs 512GB)

Larger VRAM bandwidth (51.20GB/s vs 48.00GB/s)

160 additional rendering cores

Lower TDP (25W vs 35W)

Score

Benchmark

FP32 (float)

Radeon HD 7690M XT Rebrand +87%

0.696 TFLOPS

Mobility Radeon HD 3850

0.371 TFLOPS

Radeon HD 7690M XT Rebrand

VS

Mobility Radeon HD 3850

Graphics Card

Jan 2012

Release Date

Jun 2008

London

Generation

M8x

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

800 MHz

Memory Clock

750 MHz

Memory

1024MB

Memory Size

512MB

GDDR5

Memory Type

GDDR3

128bit

Memory Bus

256bit

51.20GB/s

Bandwidth

48.00GB/s

Render Config

6

Compute Units

4

-

480

Shading Units

320

24

TMUs

16

8

ROPs

16

-

8 KB (per CU)

L1 Cache

-

256 KB

L2 Cache

256 KB

-

Theoretical Performance

5.800 GPixel/s

Pixel Rate

9.280 GPixel/s

17.40 GTexel/s

Texture Rate

9.280 GTexel/s

-

696.0 GFLOPS

FP32 (float)

371.2 GFLOPS

-

FP64 (double)

74.24 GFLOPS

Board Design

25W

TDP

35W

-

No outputs

Outputs

No outputs

-

Graphics Processor

Whistler

GPU Name

M88

Whistler XTX

GPU Variant

-

TeraScale 2

Architecture

TeraScale

TSMC

Foundry

TSMC

40 nm

Process Size

55 nm

0.716 billion

Transistors

0.666 billion

104 mm²

Die Size

192 mm²

Graphics Features

11.2 (11_0)

DirectX

10.1 (10_1)

4.4

OpenGL

3.3

1.2

OpenCL

N/A

Vulkan

N/A

-

5.0

Shader Model

4.1

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