AMD Radeon HD 6625M vs AMD Radeon HD 7690M XT

VS

AMD Radeon HD 6625M

AMD Radeon HD 7690M XT

We compared two Mobile platform GPUs: 1024MB VRAM Radeon HD 6625M and 2GB VRAM Radeon HD 7690M XT to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7690M XT 's Advantages

Released 2 years late

More VRAM (2GB vs 1024GB)

Larger VRAM bandwidth (57.60GB/s vs 25.60GB/s)

Lower TDP (25W vs 26W)

Score

Benchmark

FP32 (float)

Radeon HD 6625M

0.432 TFLOPS

Radeon HD 7690M XT +61%

0.696 TFLOPS

Radeon HD 6625M

VS

Radeon HD 7690M XT

Graphics Card

Jan 2011

Release Date

Jan 2013

Vancouver

Generation

London

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

800 MHz

Memory Clock

900 MHz

Memory

1024MB

Memory Size

2GB

DDR3

Memory Type

GDDR5

128bit

Memory Bus

128bit

25.60GB/s

Bandwidth

57.60GB/s

Render Config

6

Compute Units

6

-

480

Shading Units

480

24

TMUs

24

8

ROPs

8

-

8 KB (per CU)

L1 Cache

8 KB (per CU)

256 KB

L2 Cache

256 KB

-

Theoretical Performance

3.600 GPixel/s

Pixel Rate

5.800 GPixel/s

10.80 GTexel/s

Texture Rate

17.40 GTexel/s

-

432.0 GFLOPS

FP32 (float)

696.0 GFLOPS

-

Board Design

26W

TDP

25W

-

No outputs

Outputs

No outputs

-

Graphics Processor

Whistler

GPU Name

Thames

Whistler LP

GPU Variant

Thames XTX

TeraScale 2

Architecture

TeraScale 2

TSMC

Foundry

TSMC

40 nm

Process Size

40 nm

0.716 billion

Transistors

0.716 billion

104 mm²

Die Size

104 mm²

Graphics Features

11.2 (11_0)

DirectX

11.2 (11_0)

4.4

OpenGL

4.4

1.2

OpenCL

1.2

N/A

Vulkan

N/A

-

5.0

Shader Model

5.0

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