AMD Radeon R9 M385X vs NVIDIA GeForce GTX 775M Mac Edition

VS

AMD Radeon R9 M385X

NVIDIA GeForce GTX 775M Mac Edition

We compared two Mobile platform GPUs: 4GB VRAM Radeon R9 M385X and 2GB VRAM GeForce GTX 775M Mac Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 M385X 's Advantages

Released 1 years and 6 months late

Boost Clock1100MHz

More VRAM (4GB vs 2GB)

NVIDIA GeForce GTX 775M Mac Edition 's Advantages

Larger VRAM bandwidth (160.0GB/s vs 76.80GB/s)

448 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon R9 M385X

1.971 TFLOPS

GeForce GTX 775M Mac Edition +8%

2.142 TFLOPS

Radeon R9 M385X

VS

GeForce GTX 775M Mac Edition

Graphics Card

May 2015

Release Date

Nov 2013

Gem System

Generation

GeForce 700M

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

MXM-B (3.0)

Clock Speeds

1000 MHz

Base Clock

-

1100 MHz

Boost Clock

-

1200 MHz

Memory Clock

1250 MHz

Memory

4GB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

256bit

76.80GB/s

Bandwidth

160.0GB/s

Render Config

14

Compute Units

-

896

Shading Units

1344

56

TMUs

112

16

ROPs

32

-

16 KB (per CU)

L1 Cache

16 KB (per SMX)

256 KB

L2 Cache

512 KB

-

Theoretical Performance

17.60 GPixel/s

Pixel Rate

22.32 GPixel/s

61.60 GTexel/s

Texture Rate

89.26 GTexel/s

-

1.971 TFLOPS

FP32 (float)

2.142 TFLOPS

123.2 GFLOPS

FP64 (double)

89.26 GFLOPS

Board Design

Unknown

TDP

100W

-

Portable Device Dependent

Outputs

No outputs

-

Graphics Processor

Strato

GPU Name

GK104

Strato XT

GPU Variant

N13E-GTX-A2

GCN 2.0

Architecture

Kepler

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

2.08 billion

Transistors

3.54 billion

160 mm²

Die Size

294 mm²

Graphics Features

12 (12_0)

DirectX

12 (11_0)

4.6

OpenGL

4.6

2.1

OpenCL

3.0

1.2.170

Vulkan

1.1

-

CUDA

3.0

6.5

Shader Model

5.1

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