NVIDIA GeForce GT 445M vs AMD Radeon R9 M390 Mac Edition

VS

NVIDIA GeForce GT 445M AMD Radeon R9 M390 Mac Edition

We compared two Mobile platform GPUs: 1024MB VRAM GeForce GT 445M and 2GB VRAM Radeon R9 M390 Mac Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GT 445M 's Advantages

Lower TDP (35W vs 80W)

AMD Radeon R9 M390 Mac Edition 's Advantages

Released 4 years and 8 months late

More VRAM (2GB vs 1GB)

Larger VRAM bandwidth (174.7GB/s vs 40.00GB/s)

880 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GT 445M

0.328 TFLOPS

Radeon R9 M390 Mac Edition +498%

1.962 TFLOPS

GeForce GT 445M

VS

Radeon R9 M390 Mac Edition

Graphics Card

Sep 2010

Release Date

May 2015

GeForce 400M

Generation

Crystal System

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

-

Boost Clock

-

625 MHz

Memory Clock

1365 MHz

Memory

1024MB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

256bit

40.00GB/s

Bandwidth

174.7GB/s

Render Config

3

SM Count

-

Compute Units

16

144

Shading Units

1024

24

TMUs

64

16

ROPs

32

-

Tensor Cores

-

RT Cores

-

64 KB (per SM)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

512 KB

Theoretical Performance

3.420 GPixel/s

Pixel Rate

30.66 GPixel/s

13.68 GTexel/s

Texture Rate

61.31 GTexel/s

-

FP16 (half)

-

328.3 GFLOPS

FP32 (float)

1.962 TFLOPS

27.36 GFLOPS

FP64 (double)

122.6 GFLOPS

Graphics Processor

GF106

GPU Name

Pitcairn

N11E-GE-A1

GPU Variant

Pitcairn PRO (215-0828062)

Fermi

Architecture

GCN 1.0

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

1.17 billion

Transistors

2.8 billion

238 mm²

Die Size

212 mm²

Board Design

35W

TDP

80W

-

Suggested PSU

-

No outputs

Outputs

No outputs

-

Power Connectors

None

Graphics Features

12 (11_0)

DirectX

12 (11_1)

4.6

OpenGL

4.6

1.1

OpenCL

1.2

N/A

Vulkan

1.2

2.1

CUDA

-

5.1

Shader Model

5.1

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