AMD Radeon R9 M390 Mac Edition vs NVIDIA GeForce GT 755M Mac Edition

VS

AMD Radeon R9 M390 Mac Edition NVIDIA GeForce GT 755M Mac Edition

We compared two Mobile platform GPUs: 2GB VRAM Radeon R9 M390 Mac Edition and 1024MB VRAM GeForce GT 755M Mac Edition 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

Released 1 years and 6 months late

More VRAM (2GB vs 1GB)

Larger VRAM bandwidth (174.7GB/s vs 80.00GB/s)

640 additional rendering cores

NVIDIA GeForce GT 755M Mac Edition 's Advantages

Lower TDP (50W vs 80W)

Score

Benchmark

FP32 (float)

Radeon R9 M390 Mac Edition +135%

1.962 TFLOPS

GeForce GT 755M Mac Edition

0.833 TFLOPS

Radeon R9 M390 Mac Edition

VS

GeForce GT 755M Mac Edition

Graphics Card

May 2015

Release Date

Nov 2013

Crystal System

Generation

GeForce 700M

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

-

Boost Clock

-

1365 MHz

Memory Clock

1250 MHz

Memory

2GB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

128bit

174.7GB/s

Bandwidth

80.00GB/s

Render Config

-

SM Count

-

16

Compute Units

-

1024

Shading Units

384

64

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

30.66 GPixel/s

Pixel Rate

8.680 GPixel/s

61.31 GTexel/s

Texture Rate

34.72 GTexel/s

-

FP16 (half)

-

1.962 TFLOPS

FP32 (float)

833.3 GFLOPS

122.6 GFLOPS

FP64 (double)

34.72 GFLOPS

Graphics Processor

Pitcairn

GPU Name

GK107

Pitcairn PRO (215-0828062)

GPU Variant

GT 755M

GCN 1.0

Architecture

Kepler

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

2.8 billion

Transistors

1.27 billion

212 mm²

Die Size

118 mm²

Board Design

80W

TDP

50W

-

Suggested PSU

-

No outputs

Outputs

No outputs

None

Power Connectors

-

Graphics Features

12 (11_1)

DirectX

12 (11_0)

4.6

OpenGL

4.6

1.2

OpenCL

3.0

1.2

Vulkan

1.1

-

CUDA

3.0

5.1

Shader Model

5.1

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