AMD Radeon HD 6490M vs NVIDIA GeForce 940M

VS

AMD Radeon HD 6490M

NVIDIA GeForce 940M

We compared two Mobile platform GPUs: 512MB VRAM Radeon HD 6490M and 2GB VRAM GeForce 940M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6490M 's Advantages

Larger VRAM bandwidth (25.60GB/s vs 14.40GB/s)

NVIDIA GeForce 940M 's Advantages

Released 4 years and 2 months late

Boost Clock1098MHz

More VRAM (2GB vs 512GB)

352 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 6490M

0.256 TFLOPS

GeForce 940M +339%

1.124 TFLOPS

Radeon HD 6490M

VS

GeForce 940M

Graphics Card

Jan 2011

Release Date

Mar 2015

Vancouver

Generation

GeForce 900M

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

MXM-B (3.0)

Clock Speeds

-

Base Clock

1020 MHz

-

Boost Clock

1098 MHz

800 MHz

Memory Clock

900 MHz

Memory

512MB

Memory Size

2GB

GDDR5

Memory Type

DDR3

64bit

Memory Bus

64bit

25.60GB/s

Bandwidth

14.40GB/s

Render Config

2

Compute Units

-

160

Shading Units

512

8

TMUs

32

4

ROPs

16

-

8 KB (per CU)

L1 Cache

64 KB (per SMM)

128 KB

L2 Cache

2 MB

-

Theoretical Performance

3.200 GPixel/s

Pixel Rate

17.57 GPixel/s

6.400 GTexel/s

Texture Rate

35.14 GTexel/s

-

256.0 GFLOPS

FP32 (float)

1124 GFLOPS

-

FP64 (double)

35.14 GFLOPS

Board Design

Unknown

TDP

75W

-

Portable Device Dependent

Outputs

No outputs

-

Graphics Processor

Seymour

GPU Name

GM107

Seymour XTX S3 (216-0809024)

GPU Variant

N16S-GT1-KB-B

TeraScale 2

Architecture

Maxwell

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

0.37 billion

Transistors

1.87 billion

67 mm²

Die Size

148 mm²

Graphics Features

11.2 (11_0)

DirectX

12 (11_0)

4.4

OpenGL

4.6

1.2

OpenCL

3.0

N/A

Vulkan

1.3

-

CUDA

5.0

Shader Model

5.1

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