AMD Radeon R9 M385X vs NVIDIA GeForce 705M

VS

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

Main Differences

AMD Radeon R9 M385X 's Advantages

Boost Clock1100MHz

More VRAM (4GB vs 1GB)

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

848 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon R9 M385X +1288%

1.971 TFLOPS

GeForce 705M

0.142 TFLOPS

Radeon R9 M385X

VS

GeForce 705M

Graphics Card

May 2015

Release Date

Unknown

Gem System

Generation

GeForce 700M

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

1000 MHz

Base Clock

-

1100 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

-

SM Count

1

14

Compute Units

-

896

Shading Units

48

56

TMUs

8

16

ROPs

4

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

64 KB (per SM)

256 KB

L2 Cache

128 KB

Theoretical Performance

17.60 GPixel/s

Pixel Rate

1.476 GPixel/s

61.60 GTexel/s

Texture Rate

5.904 GTexel/s

-

FP16 (half)

-

1.971 TFLOPS

FP32 (float)

141.7 GFLOPS

123.2 GFLOPS

FP64 (double)

11.81 GFLOPS

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

Board Design

Unknown

TDP

15W

-

Suggested PSU

-

Portable Device Dependent

Outputs

No outputs

-

Power Connectors

-

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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