NVIDIA GeForce 405M vs ATI Mobility Radeon HD 4650

VS

NVIDIA GeForce 405M ATI Mobility Radeon HD 4650

We compared two Mobile platform GPUs: 512MB VRAM GeForce 405M and 512MB VRAM Mobility Radeon HD 4650 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce 405M 's Advantages

Released 2 years late

Lower TDP (14W vs 35W)

ATI Mobility Radeon HD 4650 's Advantages

Larger VRAM bandwidth (19.20GB/s vs 12.80GB/s)

304 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce 405M

0.039 TFLOPS

Mobility Radeon HD 4650 +720%

0.32 TFLOPS

GeForce 405M

VS

Mobility Radeon HD 4650

Graphics Card

Jan 2011

Release Date

Jan 2009

GeForce 400M

Generation

M9x

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

Base Clock

-

Boost Clock

-

800 MHz

Memory Clock

600 MHz

Memory

512MB

Memory Size

512MB

GDDR3

Memory Type

DDR2

64bit

Memory Bus

128bit

12.80GB/s

Bandwidth

19.20GB/s

Render Config

2

SM Count

-

Compute Units

4

16

Shading Units

320

8

TMUs

32

4

ROPs

8

-

Tensor Cores

-

RT Cores

-

L1 Cache

16 KB (per CU)

32 KB

L2 Cache

128 KB

Theoretical Performance

2.424 GPixel/s

Pixel Rate

4.000 GPixel/s

4.848 GTexel/s

Texture Rate

16.00 GTexel/s

-

FP16 (half)

-

38.78 GFLOPS

FP32 (float)

320.0 GFLOPS

-

FP64 (double)

-

Graphics Processor

GT218

GPU Name

M96

-

GPU Variant

-

Tesla 2.0

Architecture

TeraScale

TSMC

Foundry

TSMC

40 nm

Process Size

55 nm

0.26 billion

Transistors

0.514 billion

57 mm²

Die Size

146 mm²

Board Design

14W

TDP

35W

-

Suggested PSU

-

No outputs

Outputs

No outputs

-

Power Connectors

-

Graphics Features

11.1 (10_1)

DirectX

10.1 (10_1)

3.3

OpenGL

3.3

1.1

OpenCL

1.1

N/A

Vulkan

N/A

1.2

CUDA

-

4.1

Shader Model

4.1

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