AMD Radeon RX 6450M vs NVIDIA GeForce GTX 675MX Mac Edition

VS

AMD Radeon RX 6450M

NVIDIA GeForce GTX 675MX Mac Edition

We compared two Mobile platform GPUs: 4GB VRAM Radeon RX 6450M and 1024MB VRAM GeForce GTX 675MX Mac Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 6450M 's Advantages

Released 9 years and 9 months late

Boost Clock2460MHz

More VRAM (4GB vs 1024GB)

Lower TDP (50W vs 100W)

NVIDIA GeForce GTX 675MX Mac Edition 's Advantages

Larger VRAM bandwidth (160.0GB/s vs 128.0GB/s)

576 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon RX 6450M +95%

3.779 TFLOPS

GeForce GTX 675MX Mac Edition

1.933 TFLOPS

Radeon RX 6450M

VS

GeForce GTX 675MX Mac Edition

Graphics Card

Jan 2023

Release Date

Apr 2013

Navi Mobile

Generation

GeForce 600M

Mobile

Type

Mobile

PCIe 4.0 x4

Bus Interface

PCIe 3.0 x16

Clock Speeds

2000 MHz

Base Clock

-

2460 MHz

Boost Clock

-

2000 MHz

Memory Clock

1250 MHz

Memory

4GB

Memory Size

1024MB

GDDR6

Memory Type

GDDR5

64bit

Memory Bus

256bit

128.0GB/s

Bandwidth

160.0GB/s

Render Config

12

Compute Units

-

768

Shading Units

1344

48

TMUs

112

32

ROPs

32

-

12

RT Cores

-

128 KB per Array

L1 Cache

16 KB (per SMX)

1024 KB

L2 Cache

512 KB

16 MB

L3 Cache

-

Theoretical Performance

78.72 GPixel/s

Pixel Rate

20.13 GPixel/s

118.1 GTexel/s

Texture Rate

80.53 GTexel/s

7.557 TFLOPS

FP16 (half)

-

3.779 TFLOPS

FP32 (float)

1.933 TFLOPS

236.2 GFLOPS

FP64 (double)

80.53 GFLOPS

Board Design

50W

TDP

100W

-

Portable Device Dependent

Outputs

No outputs

None

Power Connectors

-

Graphics Processor

Navi 24

GPU Name

GK104

Navi 24 XML

GPU Variant

N13E-GSR-A2

RDNA 2.0

Architecture

Kepler

TSMC

Foundry

TSMC

6 nm

Process Size

28 nm

5.4 billion

Transistors

3.54 billion

107 mm²

Die Size

294 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

12 (11_0)

4.6

OpenGL

4.6

2.2

OpenCL

3.0

1.3

Vulkan

1.1

-

CUDA

3.0

6.7

Shader Model

5.1

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