NVIDIA GeForce 705A vs AMD Radeon R9 M385X

VS

NVIDIA GeForce 705A

AMD Radeon R9 M385X

We compared two Mobile platform GPUs: 1024MB VRAM GeForce 705A and 4GB VRAM Radeon R9 M385X to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 M385X 's Advantages

Released 10 months late

Boost Clock1100MHz

More VRAM (4GB vs 1024GB)

Larger VRAM bandwidth (76.80GB/s vs 14.40GB/s)

848 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce 705A

0.091 TFLOPS

Radeon R9 M385X +2065%

1.971 TFLOPS

GeForce 705A

VS

Radeon R9 M385X

Graphics Card

Jul 2014

Release Date

May 2015

GeForce 700A

Generation

Gem System

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

1000 MHz

-

Boost Clock

1100 MHz

900 MHz

Memory Clock

1200 MHz

Memory

1024MB

Memory Size

4GB

DDR3

Memory Type

GDDR5

64bit

Memory Bus

128bit

14.40GB/s

Bandwidth

76.80GB/s

Render Config

-

Compute Units

14

1

SM Count

-

48

Shading Units

896

8

TMUs

56

4

ROPs

16

-

64 KB (per SM)

L1 Cache

16 KB (per CU)

128 KB

L2 Cache

256 KB

-

Theoretical Performance

950.0 MPixel/s

Pixel Rate

17.60 GPixel/s

3.800 GTexel/s

Texture Rate

61.60 GTexel/s

-

91.20 GFLOPS

FP32 (float)

1.971 TFLOPS

7.600 GFLOPS

FP64 (double)

123.2 GFLOPS

Board Design

15W

TDP

Unknown

-

No outputs

Outputs

Portable Device Dependent

-

Graphics Processor

GF119

GPU Name

Strato

GF119 B1

GPU Variant

Strato XT

Fermi 2.0

Architecture

GCN 2.0

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

0.292 billion

Transistors

2.08 billion

79 mm²

Die Size

160 mm²

Graphics Features

12 (11_0)

DirectX

12 (12_0)

4.6

OpenGL

4.6

1.1

OpenCL

2.1

N/A

Vulkan

1.2.170

2.1

CUDA

-

5.1

Shader Model

6.5

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