AMD Radeon R9 M385 vs NVIDIA GeForce 830A

VS

AMD Radeon R9 M385

NVIDIA GeForce 830A

We compared two Mobile platform GPUs: 4GB VRAM Radeon R9 M385 and 2GB VRAM GeForce 830A 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

More VRAM (4GB vs 2GB)

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

640 additional rendering cores

NVIDIA GeForce 830A 's Advantages

Boost Clock has increased by 15% (1150MHz vs 1000MHz)

Score

Benchmark

FP32 (float)

Radeon R9 M385 +204%

1.792 TFLOPS

GeForce 830A

0.589 TFLOPS

Radeon R9 M385

VS

GeForce 830A

Graphics Card

May 2015

Release Date

Jul 2014

Gem System

Generation

GeForce 800A

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

900 MHz

Base Clock

1082 MHz

1000 MHz

Boost Clock

1150 MHz

1200 MHz

Memory Clock

900 MHz

Memory

4GB

Memory Size

2GB

GDDR5

Memory Type

DDR3

128bit

Memory Bus

64bit

76.80GB/s

Bandwidth

14.40GB/s

Render Config

14

Compute Units

-

896

Shading Units

256

56

TMUs

16

ROPs

8

-

16 KB (per CU)

L1 Cache

64 KB (per SMM)

256 KB

L2 Cache

1024 KB

-

Theoretical Performance

16.00 GPixel/s

Pixel Rate

9.200 GPixel/s

56.00 GTexel/s

Texture Rate

18.40 GTexel/s

-

1.792 TFLOPS

FP32 (float)

588.8 GFLOPS

112.0 GFLOPS

FP64 (double)

18.40 GFLOPS

Board Design

Unknown

TDP

33W

-

Portable Device Dependent

Outputs

No outputs

-

Graphics Processor

Strato

GPU Name

GM108

Strato XT

GPU Variant

-

GCN 2.0

Architecture

Maxwell

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

2.08 billion

Transistors

Unknown

160 mm²

Die Size

Unknown

Graphics Features

12 (12_0)

DirectX

12 (11_0)

4.6

OpenGL

4.6

2.1

OpenCL

3.0

1.2.170

Vulkan

1.3

-

CUDA

5.0

6.5

Shader Model

5.1

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