AMD Radeon R9 M390X vs NVIDIA GeForce GT 650M Mac Edition

VS

AMD Radeon R9 M390X NVIDIA GeForce GT 650M Mac Edition

We compared two Mobile platform GPUs: 4GB VRAM Radeon R9 M390X and 512MB VRAM GeForce GT 650M Mac Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 M390X 's Advantages

Released 2 years and 10 months late

Larger VRAM bandwidth (160.0GB/s vs 80.26GB/s)

1664 additional rendering cores

NVIDIA GeForce GT 650M Mac Edition 's Advantages

Lower TDP (45W vs 75W)

Score

Benchmark

FP32 (float)

Radeon R9 M390X +328%

2.961 TFLOPS

GeForce GT 650M Mac Edition

0.691 TFLOPS

Radeon R9 M390X

VS

GeForce GT 650M Mac Edition

Graphics Card

May 2015

Release Date

Jul 2012

Crystal System

Generation

GeForce 600M

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

-

Boost Clock

-

1250 MHz

Memory Clock

1254 MHz

Memory

4GB

Memory Size

512MB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

128bit

160.0GB/s

Bandwidth

80.26GB/s

Render Config

-

SM Count

-

32

Compute Units

-

2048

Shading Units

384

128

TMUs

32

ROPs

16

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

16 KB (per SMX)

512 KB

L2 Cache

256 KB

Theoretical Performance

23.14 GPixel/s

Pixel Rate

7.200 GPixel/s

92.54 GTexel/s

Texture Rate

28.80 GTexel/s

2.961 TFLOPS

FP16 (half)

-

2.961 TFLOPS

FP32 (float)

691.2 GFLOPS

185.1 GFLOPS

FP64 (double)

28.80 GFLOPS

Graphics Processor

Amethyst

GPU Name

GK107

Amethyst XT

GPU Variant

N13P-GT-W-A2

GCN 3.0

Architecture

Kepler

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

5 billion

Transistors

1.27 billion

366 mm²

Die Size

118 mm²

Board Design

75W

TDP

45W

-

Suggested PSU

-

No outputs

Outputs

No outputs

None

Power Connectors

-

Graphics Features

12 (12_0)

DirectX

12 (11_0)

4.6

OpenGL

4.6

2.0

OpenCL

3.0

1.2

Vulkan

1.1

-

CUDA

3.0

6.3

Shader Model

5.1

Related GPU Comparisons

1

AMD Radeon R9 M390X vs NVIDIA GeForce GT 735M

2

AMD Radeon R9 M390X vs NVIDIA GeForce GTS 350M

3

NVIDIA GeForce MX450 30.5W 10Gbps vs AMD Radeon R9 M390X

4

AMD Radeon R9 M390X vs AMD Radeon R9 M390 Mac Edition

5

NVIDIA GeForce GTX 1080 Max Q vs AMD Radeon R9 M390X

6

NVIDIA GeForce RTX 3060 Mobile vs AMD Radeon R9 M390X

7

NVIDIA GeForce RTX 3060 Max Q vs AMD Radeon R9 M390X

8

AMD Radeon R9 M390X vs AMD Radeon HD 6630M Mac Edition

9

AMD Radeon R9 M390X vs NVIDIA GeForce GT 540M

10

AMD Radeon R9 M390X vs NVIDIA GeForce GTX 760A