ATI Mobility Radeon HD 4650 vs NVIDIA GeForce 945A

VS

ATI Mobility Radeon HD 4650

NVIDIA GeForce 945A

We compared two Mobile platform GPUs: 512MB VRAM Mobility Radeon HD 4650 and 1024MB VRAM GeForce 945A to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce 945A 's Advantages

Released 6 years and 2 months late

Boost Clock1189MHz

More VRAM (1024GB vs 512GB)

Larger VRAM bandwidth (40.10GB/s vs 19.20GB/s)

64 additional rendering cores

Lower TDP (33W vs 35W)

Score

Benchmark

FP32 (float)

Mobility Radeon HD 4650

0.32 TFLOPS

GeForce 945A +185%

0.913 TFLOPS

Mobility Radeon HD 4650

VS

GeForce 945A

Graphics Card

Jan 2009

Release Date

Mar 2015

M9x

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

600 MHz

Memory Clock

1253 MHz

Memory

512MB

Memory Size

1024MB

DDR2

Memory Type

GDDR5

128bit

Memory Bus

64bit

19.20GB/s

Bandwidth

40.10GB/s

Render Config

4

Compute Units

-

320

Shading Units

384

32

TMUs

24

8

ROPs

8

-

16 KB (per CU)

L1 Cache

64 KB (per SMM)

128 KB

L2 Cache

1024 KB

-

Theoretical Performance

4.000 GPixel/s

Pixel Rate

9.512 GPixel/s

16.00 GTexel/s

Texture Rate

28.54 GTexel/s

-

320.0 GFLOPS

FP32 (float)

913.2 GFLOPS

-

FP64 (double)

28.54 GFLOPS

Board Design

35W

TDP

33W

-

No outputs

Outputs

No outputs

-

Graphics Processor

M96

GPU Name

GM108

-

TeraScale

Architecture

Maxwell

TSMC

Foundry

TSMC

55 nm

Process Size

28 nm

0.514 billion

Transistors

Unknown

146 mm²

Die Size

Unknown

Graphics Features

10.1 (10_1)

DirectX

12 (11_0)

3.3

OpenGL

4.6

1.1

OpenCL

3.0

N/A

Vulkan

1.3

-

CUDA

5.0

4.1

Shader Model

5.1

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