AMD Radeon HD 6490M vs NVIDIA GeForce MX450 25W

VS

AMD Radeon HD 6490M

NVIDIA GeForce MX450 25W

We compared two Mobile platform GPUs: 512MB VRAM Radeon HD 6490M and 2GB VRAM GeForce MX450 25W to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce MX450 25W 's Advantages

Released 9 years and 7 months late

Boost Clock930MHz

More VRAM (2GB vs 512GB)

Larger VRAM bandwidth (80.00GB/s vs 25.60GB/s)

736 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 6490M

0.256 TFLOPS

GeForce MX450 25W +551%

1.667 TFLOPS

Radeon HD 6490M

VS

GeForce MX450 25W

Graphics Card

Jan 2011

Release Date

Aug 2020

Vancouver

Generation

GeForce MX

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

PCIe 4.0 x4

Clock Speeds

-

Base Clock

720 MHz

-

Boost Clock

930 MHz

800 MHz

Memory Clock

1250 MHz

Memory

512MB

Memory Size

2GB

GDDR5

Memory Type

GDDR6

64bit

Memory Bus

64bit

25.60GB/s

Bandwidth

80.00GB/s

Render Config

2

Compute Units

-

SM Count

14

160

Shading Units

896

8

TMUs

56

4

ROPs

32

-

8 KB (per CU)

L1 Cache

64 KB (per SM)

128 KB

L2 Cache

512 KB

-

Theoretical Performance

3.200 GPixel/s

Pixel Rate

29.76 GPixel/s

6.400 GTexel/s

Texture Rate

52.08 GTexel/s

-

FP16 (half)

3.333 TFLOPS

256.0 GFLOPS

FP32 (float)

1.667 TFLOPS

-

FP64 (double)

52.08 GFLOPS

Board Design

Unknown

TDP

25W

-

Portable Device Dependent

Outputs

No outputs

-

Power Connectors

None

Graphics Processor

Seymour

GPU Name

TU117

Seymour XTX S3 (216-0809024)

GPU Variant

N18S-G5

TeraScale 2

Architecture

Turing

TSMC

Foundry

TSMC

40 nm

Process Size

12 nm

0.37 billion

Transistors

4.7 billion

67 mm²

Die Size

200 mm²

Graphics Features

11.2 (11_0)

DirectX

12 (12_1)

4.4

OpenGL

4.6

1.2

OpenCL

3.0

N/A

Vulkan

1.3

-

CUDA

7.5

5.0

Shader Model

6.6

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