ATI Mobility Radeon HD 3870 vs NVIDIA GeForce GTX 950A

VS

ATI Mobility Radeon HD 3870 NVIDIA GeForce GTX 950A

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

Main Differences

ATI Mobility Radeon HD 3870 's Advantages

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

Lower TDP (55W vs 75W)

NVIDIA GeForce GTX 950A 's Advantages

Released 6 years and 9 months late

Boost Clock1124MHz

320 additional rendering cores

Score

Benchmark

FP32 (float)

Mobility Radeon HD 3870

0.422 TFLOPS

GeForce GTX 950A +240%

1.439 TFLOPS

Mobility Radeon HD 3870

VS

GeForce GTX 950A

Graphics Card

Jun 2008

Release Date

Mar 2015

M8x

Generation

GeForce 900A

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

MXM-B (3.0)

Clock Speeds

-

Base Clock

993 MHz

-

Boost Clock

1124 MHz

850 MHz

Memory Clock

1001 MHz

Memory

512MB

Memory Size

2GB

GDDR3

Memory Type

DDR3

256bit

Memory Bus

128bit

54.40GB/s

Bandwidth

32.03GB/s

Render Config

-

SM Count

-

4

Compute Units

-

320

Shading Units

640

16

TMUs

40

16

ROPs

16

-

Tensor Cores

-

RT Cores

-

L1 Cache

64 KB (per SMM)

256 KB

L2 Cache

2 MB

Theoretical Performance

10.56 GPixel/s

Pixel Rate

17.98 GPixel/s

10.56 GTexel/s

Texture Rate

44.96 GTexel/s

-

FP16 (half)

-

422.4 GFLOPS

FP32 (float)

1439 GFLOPS

84.48 GFLOPS

FP64 (double)

44.96 GFLOPS

Graphics Processor

M88

GPU Name

GM107

-

GPU Variant

N16P-GT

TeraScale

Architecture

Maxwell

TSMC

Foundry

TSMC

55 nm

Process Size

28 nm

0.666 billion

Transistors

1.87 billion

192 mm²

Die Size

148 mm²

Board Design

55W

TDP

75W

-

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

3.0

N/A

Vulkan

1.3

-

CUDA

5.0

4.1

Shader Model

5.1

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