AMD Radeon R9 M385 vs NVIDIA GeForce 705A

VS

AMD Radeon R9 M385

NVIDIA GeForce 705A

We compared two Mobile platform GPUs: 4GB VRAM Radeon R9 M385 and 1024MB VRAM GeForce 705A to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 M385 's Advantages

Released 10 months late

Boost Clock1000MHz

More VRAM (4GB vs 1024GB)

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

848 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon R9 M385 +1869%

1.792 TFLOPS

GeForce 705A

0.091 TFLOPS

Radeon R9 M385

VS

GeForce 705A

Graphics Card

May 2015

Release Date

Jul 2014

Gem System

Generation

GeForce 700A

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

900 MHz

Base Clock

-

1000 MHz

Boost Clock

-

1200 MHz

Memory Clock

900 MHz

Memory

4GB

Memory Size

1024MB

GDDR5

Memory Type

DDR3

128bit

Memory Bus

64bit

76.80GB/s

Bandwidth

14.40GB/s

Render Config

14

Compute Units

-

SM Count

1

896

Shading Units

48

56

TMUs

8

16

ROPs

4

-

16 KB (per CU)

L1 Cache

64 KB (per SM)

256 KB

L2 Cache

128 KB

-

Theoretical Performance

16.00 GPixel/s

Pixel Rate

950.0 MPixel/s

56.00 GTexel/s

Texture Rate

3.800 GTexel/s

-

1.792 TFLOPS

FP32 (float)

91.20 GFLOPS

112.0 GFLOPS

FP64 (double)

7.600 GFLOPS

Board Design

Unknown

TDP

15W

-

Portable Device Dependent

Outputs

No outputs

-

Graphics Processor

Strato

GPU Name

GF119

Strato XT

GPU Variant

GF119 B1

GCN 2.0

Architecture

Fermi 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

2.08 billion

Transistors

0.292 billion

160 mm²

Die Size

79 mm²

Graphics Features

12 (12_0)

DirectX

12 (11_0)

4.6

OpenGL

4.6

2.1

OpenCL

1.1

1.2.170

Vulkan

N/A

-

CUDA

2.1

6.5

Shader Model

5.1

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