AMD Radeon R9 M390 Mac Edition vs NVIDIA GeForce MX450 30.5W 8Gbps

VS

AMD Radeon R9 M390 Mac Edition

NVIDIA GeForce MX450 30.5W 8Gbps

We compared two Mobile platform GPUs: 2GB VRAM Radeon R9 M390 Mac Edition and 2GB VRAM GeForce MX450 30.5W 8Gbps to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 M390 Mac Edition 's Advantages

Larger VRAM bandwidth (174.7GB/s vs 64.00GB/s)

128 additional rendering cores

NVIDIA GeForce MX450 30.5W 8Gbps 's Advantages

Released 5 years and 3 months late

Boost Clock1275MHz

Lower TDP (31W vs 80W)

Score

Benchmark

FP32 (float)

Radeon R9 M390 Mac Edition

1.962 TFLOPS

GeForce MX450 30.5W 8Gbps +16%

2.285 TFLOPS

Radeon R9 M390 Mac Edition

VS

GeForce MX450 30.5W 8Gbps

Graphics Card

May 2015

Release Date

Aug 2020

Crystal System

Generation

GeForce MX

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 4.0 x4

Clock Speeds

-

Base Clock

1035 MHz

-

Boost Clock

1275 MHz

1365 MHz

Memory Clock

2000 MHz

Memory

2GB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

64bit

174.7GB/s

Bandwidth

64.00GB/s

Render Config

16

Compute Units

-

SM Count

14

1024

Shading Units

896

64

TMUs

56

32

ROPs

32

-

16 KB (per CU)

L1 Cache

64 KB (per SM)

512 KB

L2 Cache

512 KB

-

Theoretical Performance

30.66 GPixel/s

Pixel Rate

40.80 GPixel/s

61.31 GTexel/s

Texture Rate

71.40 GTexel/s

-

FP16 (half)

4.570 TFLOPS

1.962 TFLOPS

FP32 (float)

2.285 TFLOPS

122.6 GFLOPS

FP64 (double)

71.40 GFLOPS

Board Design

80W

TDP

31W

-

No outputs

Outputs

No outputs

None

Power Connectors

None

Graphics Processor

Pitcairn

GPU Name

TU117

Pitcairn PRO (215-0828062)

GPU Variant

-

GCN 1.0

Architecture

Turing

TSMC

Foundry

TSMC

28 nm

Process Size

12 nm

2.8 billion

Transistors

4.7 billion

212 mm²

Die Size

200 mm²

Graphics Features

12 (11_1)

DirectX

12 (12_1)

4.6

OpenGL

4.6

1.2

OpenCL

3.0

1.2

Vulkan

1.3

-

CUDA

7.5

5.1

Shader Model

6.6

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