NVIDIA GeForce 305M vs ATI Mobility Radeon HD 3870

VS

NVIDIA GeForce 305M ATI Mobility Radeon HD 3870

We compared two Mobile platform GPUs: 512MB VRAM GeForce 305M and 512MB VRAM Mobility Radeon HD 3870 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce 305M 's Advantages

Released 1 years and 7 months late

Lower TDP (14W vs 55W)

ATI Mobility Radeon HD 3870 's Advantages

Larger VRAM bandwidth (54.40GB/s vs 11.20GB/s)

304 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce 305M

0.037 TFLOPS

Mobility Radeon HD 3870 +1040%

0.422 TFLOPS

GeForce 305M

VS

Mobility Radeon HD 3870

Graphics Card

Jan 2010

Release Date

Jun 2008

GeForce 300M

Generation

M8x

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

Base Clock

-

Boost Clock

-

700 MHz

Memory Clock

850 MHz

Memory

512MB

Memory Size

512MB

GDDR3

Memory Type

GDDR3

64bit

Memory Bus

256bit

11.20GB/s

Bandwidth

54.40GB/s

Render Config

2

SM Count

-

Compute Units

4

16

Shading Units

320

8

TMUs

16

4

ROPs

16

-

Tensor Cores

-

RT Cores

-

L1 Cache

-

32 KB

L2 Cache

256 KB

Theoretical Performance

2.100 GPixel/s

Pixel Rate

10.56 GPixel/s

4.200 GTexel/s

Texture Rate

10.56 GTexel/s

-

FP16 (half)

-

36.80 GFLOPS

FP32 (float)

422.4 GFLOPS

-

FP64 (double)

84.48 GFLOPS

Graphics Processor

GT218

GPU Name

M88

N11M-LP1

GPU Variant

-

Tesla 2.0

Architecture

TeraScale

TSMC

Foundry

TSMC

40 nm

Process Size

55 nm

0.26 billion

Transistors

0.666 billion

57 mm²

Die Size

192 mm²

Board Design

14W

TDP

55W

-

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

N/A

Vulkan

N/A

1.2

CUDA

-

4.1

Shader Model

4.1

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