AMD Radeon HD 6625M vs NVIDIA GeForce 945A

VS

AMD Radeon HD 6625M

NVIDIA GeForce 945A

We compared two Mobile platform GPUs: 1024MB VRAM Radeon HD 6625M and 1024MB VRAM GeForce 945A to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6625M 's Advantages

96 additional rendering cores

Lower TDP (26W vs 33W)

NVIDIA GeForce 945A 's Advantages

Released 4 years and 2 months late

Boost Clock1189MHz

Larger VRAM bandwidth (40.10GB/s vs 25.60GB/s)

Score

Benchmark

FP32 (float)

Radeon HD 6625M

0.432 TFLOPS

GeForce 945A +111%

0.913 TFLOPS

Radeon HD 6625M

VS

GeForce 945A

Graphics Card

Jan 2011

Release Date

Mar 2015

Vancouver

Generation

GeForce 900A

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

-

Base Clock

1006 MHz

-

Boost Clock

1189 MHz

800 MHz

Memory Clock

1253 MHz

Memory

1024MB

Memory Size

1024MB

DDR3

Memory Type

GDDR5

128bit

Memory Bus

64bit

25.60GB/s

Bandwidth

40.10GB/s

Render Config

6

Compute Units

-

480

Shading Units

384

24

TMUs

24

8

ROPs

8

-

8 KB (per CU)

L1 Cache

64 KB (per SMM)

256 KB

L2 Cache

1024 KB

-

Theoretical Performance

3.600 GPixel/s

Pixel Rate

9.512 GPixel/s

10.80 GTexel/s

Texture Rate

28.54 GTexel/s

-

432.0 GFLOPS

FP32 (float)

913.2 GFLOPS

-

FP64 (double)

28.54 GFLOPS

Board Design

26W

TDP

33W

-

No outputs

Outputs

No outputs

-

Graphics Processor

Whistler

GPU Name

GM108

Whistler LP

GPU Variant

-

TeraScale 2

Architecture

Maxwell

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

0.716 billion

Transistors

Unknown

104 mm²

Die Size

Unknown

Graphics Features

11.2 (11_0)

DirectX

12 (11_0)

4.4

OpenGL

4.6

1.2

OpenCL

3.0

N/A

Vulkan

1.3

-

CUDA

5.0

Shader Model

5.1

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