AMD Radeon R9 M385X vs NVIDIA GeForce GT 745A

VS

AMD Radeon R9 M385X

NVIDIA GeForce GT 745A

We compared two Mobile platform GPUs: 4GB VRAM Radeon R9 M385X and 2GB VRAM GeForce GT 745A 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 9 months late

Boost Clock has increased by 20% (1100MHz vs 915MHz)

More VRAM (4GB vs 2GB)

Larger VRAM bandwidth (76.80GB/s vs 28.80GB/s)

512 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon R9 M385X +180%

1.971 TFLOPS

GeForce GT 745A

0.703 TFLOPS

Radeon R9 M385X

VS

GeForce GT 745A

Graphics Card

May 2015

Release Date

Aug 2013

Gem System

Generation

GeForce 700A

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

1000 MHz

Base Clock

837 MHz

1100 MHz

Boost Clock

915 MHz

1200 MHz

Memory Clock

900 MHz

Memory

4GB

Memory Size

2GB

GDDR5

Memory Type

DDR3

128bit

Memory Bus

128bit

76.80GB/s

Bandwidth

28.80GB/s

Render Config

14

Compute Units

-

896

Shading Units

384

56

TMUs

32

16

ROPs

16

-

16 KB (per CU)

L1 Cache

16 KB (per SMX)

256 KB

L2 Cache

256 KB

-

Theoretical Performance

17.60 GPixel/s

Pixel Rate

7.320 GPixel/s

61.60 GTexel/s

Texture Rate

29.28 GTexel/s

-

1.971 TFLOPS

FP32 (float)

702.7 GFLOPS

123.2 GFLOPS

FP64 (double)

29.28 GFLOPS

Board Design

Unknown

TDP

33W

-

Portable Device Dependent

Outputs

No outputs

-

Graphics Processor

Strato

GPU Name

GK107

Strato XT

GPU Variant

N14P-LP

GCN 2.0

Architecture

Kepler

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

2.08 billion

Transistors

1.27 billion

160 mm²

Die Size

118 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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