NVIDIA GeForce 920MX vs AMD Radeon HD 6490M Mac Edition

VS

NVIDIA GeForce 920MX

AMD Radeon HD 6490M Mac Edition

We compared two Mobile platform GPUs: 2GB VRAM GeForce 920MX and 256MB VRAM Radeon HD 6490M Mac Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce 920MX 's Advantages

Released 4 years and 10 months late

Boost Clock993MHz

More VRAM (2GB vs 256GB)

96 additional rendering cores

AMD Radeon HD 6490M Mac Edition 's Advantages

Larger VRAM bandwidth (25.41GB/s vs 14.40GB/s)

Score

Benchmark

FP32 (float)

GeForce 920MX +111%

0.508 TFLOPS

Radeon HD 6490M Mac Edition

0.24 TFLOPS

GeForce 920MX

VS

Radeon HD 6490M Mac Edition

Graphics Card

Mar 2016

Release Date

May 2011

GeForce 900M

Generation

Vancouver

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

794 MHz

Memory

2GB

Memory Size

256MB

DDR3

Memory Type

GDDR5

64bit

Memory Bus

64bit

14.40GB/s

Bandwidth

25.41GB/s

Render Config

-

Compute Units

2

-

256

Shading Units

160

24

TMUs

8

ROPs

4

-

64 KB (per SMM)

L1 Cache

8 KB (per CU)

1024 KB

L2 Cache

128 KB

-

Theoretical Performance

7.944 GPixel/s

Pixel Rate

3.000 GPixel/s

23.83 GTexel/s

Texture Rate

6.000 GTexel/s

-

508.4 GFLOPS

FP32 (float)

240.0 GFLOPS

15.89 GFLOPS

FP64 (double)

-

Board Design

16W

TDP

Unknown

-

No outputs

Outputs

Portable Device Dependent

None

Power Connectors

-

Graphics Processor

GM108

GPU Name

Seymour

N16V-GMR1-S

GPU Variant

Seymour XTX M2 (216-0809000)

Maxwell

Architecture

TeraScale 2

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

Unknown

Transistors

0.37 billion

Unknown

Die Size

67 mm²

Graphics Features

12 (11_0)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

3.0

OpenCL

1.2

1.3

Vulkan

N/A

5.0

CUDA

-

5.1

Shader Model

5.0

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