NVIDIA GeForce GTX 680MX Mac Edition vs NVIDIA GeForce MX450 25W

VS

NVIDIA GeForce GTX 680MX Mac Edition

NVIDIA GeForce MX450 25W

We compared two Mobile platform GPUs: 2GB VRAM GeForce GTX 680MX Mac Edition 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 GTX 680MX Mac Edition 's Advantages

Larger VRAM bandwidth (160.0GB/s vs 80.00GB/s)

640 additional rendering cores

NVIDIA GeForce MX450 25W 's Advantages

Released 7 years and 10 months late

Boost Clock930MHz

Lower TDP (25W vs 122W)

Score

Benchmark

FP32 (float)

GeForce GTX 680MX Mac Edition +32%

2.209 TFLOPS

GeForce MX450 25W

1.667 TFLOPS

GeForce GTX 680MX Mac Edition

VS

GeForce MX450 25W

Graphics Card

Oct 2012

Release Date

Aug 2020

GeForce 600M

Generation

GeForce MX

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 4.0 x4

Clock Speeds

-

Base Clock

720 MHz

-

Boost Clock

930 MHz

1250 MHz

Memory Clock

1250 MHz

Memory

2GB

Memory Size

2GB

GDDR5

Memory Type

GDDR6

256bit

Memory Bus

64bit

160.0GB/s

Bandwidth

80.00GB/s

Render Config

-

SM Count

14

1536

Shading Units

896

128

TMUs

56

32

ROPs

32

-

16 KB (per SMX)

L1 Cache

64 KB (per SM)

512 KB

L2 Cache

512 KB

-

Theoretical Performance

23.01 GPixel/s

Pixel Rate

29.76 GPixel/s

92.03 GTexel/s

Texture Rate

52.08 GTexel/s

-

FP16 (half)

3.333 TFLOPS

2.209 TFLOPS

FP32 (float)

1.667 TFLOPS

92.03 GFLOPS

FP64 (double)

52.08 GFLOPS

Board Design

122W

TDP

25W

-

No outputs

Outputs

No outputs

-

Power Connectors

None

Graphics Processor

GK104

GPU Name

TU117

N13E-GTX2-A2

GPU Variant

N18S-G5

Kepler

Architecture

Turing

TSMC

Foundry

TSMC

28 nm

Process Size

12 nm

3.54 billion

Transistors

4.7 billion

294 mm²

Die Size

200 mm²

Graphics Features

12 (11_0)

DirectX

12 (12_1)

4.6

OpenGL

4.6

3.0

OpenCL

3.0

1.1

Vulkan

1.3

3.0

CUDA

7.5

5.1

Shader Model

6.6

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