NVIDIA GeForce 920MX vs ATI Mobility Radeon HD 3870

VS

NVIDIA GeForce 920MX

ATI Mobility Radeon HD 3870

We compared two Mobile platform GPUs: 2GB VRAM GeForce 920MX 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 920MX 's Advantages

Released 7 years and 9 months late

Boost Clock993MHz

More VRAM (2GB vs 512GB)

Lower TDP (16W vs 55W)

ATI Mobility Radeon HD 3870 's Advantages

Larger VRAM bandwidth (54.40GB/s vs 14.40GB/s)

64 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce 920MX +20%

0.508 TFLOPS

Mobility Radeon HD 3870

0.422 TFLOPS

GeForce 920MX

VS

Mobility Radeon HD 3870

Graphics Card

Mar 2016

Release Date

Jun 2008

GeForce 900M

Generation

M8x

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

PCIe 2.0 x16

Clock Speeds

965 MHz

Base Clock

-

993 MHz

Boost Clock

-

900 MHz

Memory Clock

850 MHz

Memory

2GB

Memory Size

512MB

DDR3

Memory Type

GDDR3

64bit

Memory Bus

256bit

14.40GB/s

Bandwidth

54.40GB/s

Render Config

-

Compute Units

4

-

256

Shading Units

320

24

TMUs

16

8

ROPs

16

-

64 KB (per SMM)

L1 Cache

-

1024 KB

L2 Cache

256 KB

-

Theoretical Performance

7.944 GPixel/s

Pixel Rate

10.56 GPixel/s

23.83 GTexel/s

Texture Rate

10.56 GTexel/s

-

508.4 GFLOPS

FP32 (float)

422.4 GFLOPS

15.89 GFLOPS

FP64 (double)

84.48 GFLOPS

Board Design

16W

TDP

55W

-

No outputs

Outputs

No outputs

None

Power Connectors

-

Graphics Processor

GM108

GPU Name

M88

N16V-GMR1-S

GPU Variant

-

Maxwell

Architecture

TeraScale

TSMC

Foundry

TSMC

28 nm

Process Size

55 nm

Unknown

Transistors

0.666 billion

Unknown

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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