NVIDIA GeForce GTX 950A vs ATI Mobility Radeon HD 3870 X2

VS

NVIDIA GeForce GTX 950A

ATI Mobility Radeon HD 3870 X2

We compared two Mobile platform GPUs: 2GB VRAM GeForce GTX 950A and 512MB VRAM Mobility Radeon HD 3870 X2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 950A 's Advantages

Released 6 years and 6 months late

Boost Clock1124MHz

More VRAM (2GB vs 512GB)

320 additional rendering cores

Lower TDP (75W vs 110W)

ATI Mobility Radeon HD 3870 X2 's Advantages

Larger VRAM bandwidth (54.40GB/s vs 32.03GB/s)

Score

Benchmark

FP32 (float)

GeForce GTX 950A +240%

1.439 TFLOPS

Mobility Radeon HD 3870 X2

0.422 TFLOPS

GeForce GTX 950A

VS

Mobility Radeon HD 3870 X2

Graphics Card

Mar 2015

Release Date

Sep 2008

GeForce 900A

Generation

M8x

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

PCIe 2.0 x16

Clock Speeds

993 MHz

Base Clock

-

1124 MHz

Boost Clock

-

1001 MHz

Memory Clock

850 MHz

Memory

2GB

Memory Size

512MB

DDR3

Memory Type

GDDR3

128bit

Memory Bus

256bit

32.03GB/s

Bandwidth

54.40GB/s

Render Config

-

Compute Units

4

-

640

Shading Units

320

40

TMUs

16

ROPs

16

-

64 KB (per SMM)

L1 Cache

-

2 MB

L2 Cache

256 KB

-

Theoretical Performance

17.98 GPixel/s

Pixel Rate

10.56 GPixel/s

44.96 GTexel/s

Texture Rate

10.56 GTexel/s

-

1439 GFLOPS

FP32 (float)

422.4 GFLOPS

44.96 GFLOPS

FP64 (double)

84.48 GFLOPS

Board Design

75W

TDP

110W

-

No outputs

Outputs

No outputs

-

Graphics Processor

GM107

GPU Name

M88

N16P-GT

GPU Variant

-

Maxwell

Architecture

TeraScale

TSMC

Foundry

TSMC

28 nm

Process Size

55 nm

1.87 billion

Transistors

0.666 billion

148 mm²

Die Size

192 mm²

Graphics Features

12 (11_0)

DirectX

10.1 (10_1)

4.6

OpenGL

3.3

3.0

OpenCL

N/A

1.3

Vulkan

N/A

5.0

CUDA

-

5.1

Shader Model

4.1

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