ATI Mobility Radeon HD 3870 X2 vs NVIDIA GeForce GT 435M

VS

ATI Mobility Radeon HD 3870 X2 NVIDIA GeForce GT 435M

We compared two Mobile platform GPUs: 512MB VRAM Mobility Radeon HD 3870 X2 and 1024MB VRAM GeForce GT 435M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Mobility Radeon HD 3870 X2 's Advantages

Larger VRAM bandwidth (54.40GB/s vs 25.60GB/s)

224 additional rendering cores

NVIDIA GeForce GT 435M 's Advantages

Released 2 years and 4 months late

More VRAM (1024GB vs 512GB)

Lower TDP (35W vs 110W)

Score

Benchmark

FP32 (float)

Mobility Radeon HD 3870 X2 +85%

0.422 TFLOPS

GeForce GT 435M

0.227 TFLOPS

Mobility Radeon HD 3870 X2

VS

GeForce GT 435M

Graphics Card

Sep 2008

Release Date

Jan 2011

M8x

Generation

GeForce 400M

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

Base Clock

-

Boost Clock

-

850 MHz

Memory Clock

800 MHz

Memory

512MB

Memory Size

1024MB

GDDR3

Memory Type

DDR3

256bit

Memory Bus

128bit

54.40GB/s

Bandwidth

25.60GB/s

Render Config

-

SM Count

2

4

Compute Units

-

320

Shading Units

96

16

TMUs

16

ROPs

16

-

Tensor Cores

-

RT Cores

-

L1 Cache

64 KB (per SM)

256 KB

L2 Cache

256 KB

Theoretical Performance

10.56 GPixel/s

Pixel Rate

2.360 GPixel/s

10.56 GTexel/s

Texture Rate

9.440 GTexel/s

-

FP16 (half)

-

422.4 GFLOPS

FP32 (float)

226.6 GFLOPS

84.48 GFLOPS

FP64 (double)

18.88 GFLOPS

Graphics Processor

M88

GPU Name

GF106

-

GPU Variant

N11E-GE-A1

TeraScale

Architecture

Fermi

TSMC

Foundry

TSMC

55 nm

Process Size

40 nm

0.666 billion

Transistors

1.17 billion

192 mm²

Die Size

238 mm²

Board Design

110W

TDP

35W

-

Suggested PSU

-

No outputs

Outputs

No outputs

-

Power Connectors

-

Graphics Features

10.1 (10_1)

DirectX

12 (11_0)

3.3

OpenGL

4.6

N/A

OpenCL

1.1

N/A

Vulkan

N/A

-

CUDA

2.1

4.1

Shader Model

5.1

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