NVIDIA GeForce GTX 675MX Mac Edition vs AMD Radeon R9 M390 Mac Edition

VS

NVIDIA GeForce GTX 675MX Mac Edition

AMD Radeon R9 M390 Mac Edition

We compared two Mobile platform GPUs: 1024MB VRAM GeForce GTX 675MX Mac Edition 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 GTX 675MX Mac Edition 's Advantages

320 additional rendering cores

AMD Radeon R9 M390 Mac Edition 's Advantages

Released 2 years and 1 months late

More VRAM (2GB vs 1024GB)

Larger VRAM bandwidth (174.7GB/s vs 160.0GB/s)

Lower TDP (80W vs 100W)

Score

Benchmark

FP32 (float)

GeForce GTX 675MX Mac Edition

1.933 TFLOPS

Radeon R9 M390 Mac Edition +1%

1.962 TFLOPS

GeForce GTX 675MX Mac Edition

VS

Radeon R9 M390 Mac Edition

Graphics Card

Apr 2013

Release Date

May 2015

GeForce 600M

Generation

Crystal System

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

1250 MHz

Memory Clock

1365 MHz

Memory

1024MB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

256bit

160.0GB/s

Bandwidth

174.7GB/s

Render Config

-

Compute Units

16

-

1344

Shading Units

1024

112

TMUs

64

32

ROPs

32

-

16 KB (per SMX)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

512 KB

-

Theoretical Performance

20.13 GPixel/s

Pixel Rate

30.66 GPixel/s

80.53 GTexel/s

Texture Rate

61.31 GTexel/s

-

1.933 TFLOPS

FP32 (float)

1.962 TFLOPS

80.53 GFLOPS

FP64 (double)

122.6 GFLOPS

Board Design

100W

TDP

80W

-

No outputs

Outputs

No outputs

-

Power Connectors

None

Graphics Processor

GK104

GPU Name

Pitcairn

N13E-GSR-A2

GPU Variant

Pitcairn PRO (215-0828062)

Kepler

Architecture

GCN 1.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

3.54 billion

Transistors

2.8 billion

294 mm²

Die Size

212 mm²

Graphics Features

12 (11_0)

DirectX

12 (11_1)

4.6

OpenGL

4.6

3.0

OpenCL

1.2

1.1

Vulkan

1.2

3.0

CUDA

-

5.1

Shader Model

5.1

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