NVIDIA GeForce 945A vs AMD Radeon HD 6450A

VS

NVIDIA GeForce 945A

AMD Radeon HD 6450A

We compared two Mobile platform GPUs: 1024MB VRAM GeForce 945A and 512MB VRAM Radeon HD 6450A to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce 945A 's Advantages

Released 3 years and 11 months late

Boost Clock1189MHz

More VRAM (1024GB vs 512GB)

Larger VRAM bandwidth (40.10GB/s vs 8.528GB/s)

224 additional rendering cores

AMD Radeon HD 6450A 's Advantages

Lower TDP (25W vs 33W)

Score

Benchmark

FP32 (float)

GeForce 945A +356%

0.913 TFLOPS

Radeon HD 6450A

0.2 TFLOPS

GeForce 945A

VS

Radeon HD 6450A

Graphics Card

Mar 2015

Release Date

Apr 2011

GeForce 900A

Generation

All-In-One

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

MXM-A (3.0)

Clock Speeds

1006 MHz

Base Clock

-

1189 MHz

Boost Clock

-

1253 MHz

Memory Clock

533 MHz

Memory

1024MB

Memory Size

512MB

GDDR5

Memory Type

DDR3

64bit

Memory Bus

64bit

40.10GB/s

Bandwidth

8.528GB/s

Render Config

-

Compute Units

2

-

384

Shading Units

160

24

TMUs

8

ROPs

4

-

64 KB (per SMM)

L1 Cache

8 KB (per CU)

1024 KB

L2 Cache

128 KB

-

Theoretical Performance

9.512 GPixel/s

Pixel Rate

2.500 GPixel/s

28.54 GTexel/s

Texture Rate

5.000 GTexel/s

-

913.2 GFLOPS

FP32 (float)

200.0 GFLOPS

28.54 GFLOPS

FP64 (double)

-

Board Design

33W

TDP

25W

-

No outputs

Outputs

No outputs

-

Graphics Processor

GM108

GPU Name

Caicos

-

Maxwell

Architecture

TeraScale 2

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

Unknown

Transistors

0.37 billion

Unknown

Die Size

67 mm²

Graphics Features

12 (11_0)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

3.0

OpenCL

1.2

1.3

Vulkan

N/A

5.0

CUDA

-

5.1

Shader Model

5.0

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