NVIDIA GeForce MX450 25W vs AMD Radeon HD 6990M Rebrand

VS

NVIDIA GeForce MX450 25W AMD Radeon HD 6990M Rebrand

We compared two Mobile platform GPUs: 2GB VRAM GeForce MX450 25W and 1024MB VRAM Radeon HD 6990M Rebrand 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 1 months late

Boost Clock930MHz

More VRAM (2GB vs 1GB)

Larger VRAM bandwidth (80.00GB/s vs 70.40GB/s)

96 additional rendering cores

Lower TDP (25W vs 100W)

Score

Benchmark

FP32 (float)

GeForce MX450 25W +30%

1.667 TFLOPS

Radeon HD 6990M Rebrand

1.28 TFLOPS

GeForce MX450 25W

VS

Radeon HD 6990M Rebrand

Graphics Card

Aug 2020

Release Date

Jul 2011

GeForce MX

Generation

Vancouver

Mobile

Type

Mobile

PCIe 4.0 x4

Bus Interface

MXM-B (3.0)

Clock Speeds

720 MHz

Base Clock

-

930 MHz

Boost Clock

-

1250 MHz

Memory Clock

1100 MHz

Memory

2GB

Memory Size

1024MB

GDDR6

Memory Type

GDDR5

64bit

Memory Bus

128bit

80.00GB/s

Bandwidth

70.40GB/s

Render Config

14

SM Count

-

Compute Units

14

896

Shading Units

800

56

TMUs

40

32

ROPs

16

-

Tensor Cores

-

RT Cores

-

64 KB (per SM)

L1 Cache

8 KB (per CU)

512 KB

L2 Cache

256 KB

Theoretical Performance

29.76 GPixel/s

Pixel Rate

12.80 GPixel/s

52.08 GTexel/s

Texture Rate

32.00 GTexel/s

3.333 TFLOPS

FP16 (half)

-

1.667 TFLOPS

FP32 (float)

1280 GFLOPS

52.08 GFLOPS

FP64 (double)

-

Graphics Processor

TU117

GPU Name

Broadway

N18S-G5

GPU Variant

Broadway XTX

Turing

Architecture

TeraScale 2

TSMC

Foundry

TSMC

12 nm

Process Size

40 nm

4.7 billion

Transistors

1.04 billion

200 mm²

Die Size

166 mm²

Board Design

25W

TDP

100W

-

Suggested PSU

-

No outputs

Outputs

No outputs

None

Power Connectors

-

Graphics Features

12 (12_1)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

3.0

OpenCL

1.2

1.3

Vulkan

N/A

7.5

CUDA

-

6.6

Shader Model

5.0

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