AMD Radeon R9 M385 vs NVIDIA GeForce GTX 880M

VS

AMD Radeon R9 M385

NVIDIA GeForce GTX 880M

We compared two Mobile platform GPUs: 4GB VRAM Radeon R9 M385 and 8GB VRAM GeForce GTX 880M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 M385 's Advantages

Released 1 years and 2 months late

Boost Clock has increased by 1% (1000MHz vs 993MHz)

NVIDIA GeForce GTX 880M 's Advantages

More VRAM (8GB vs 4GB)

Larger VRAM bandwidth (160.0GB/s vs 76.80GB/s)

640 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon R9 M385

1.792 TFLOPS

GeForce GTX 880M +70%

3.05 TFLOPS

Radeon R9 M385

VS

GeForce GTX 880M

Graphics Card

May 2015

Release Date

Mar 2014

Gem System

Generation

GeForce 800M

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

MXM-B (3.0)

Clock Speeds

900 MHz

Base Clock

954 MHz

1000 MHz

Boost Clock

993 MHz

1200 MHz

Memory Clock

1250 MHz

Memory

4GB

Memory Size

8GB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

256bit

76.80GB/s

Bandwidth

160.0GB/s

Render Config

14

Compute Units

-

896

Shading Units

1536

56

TMUs

128

16

ROPs

32

-

16 KB (per CU)

L1 Cache

16 KB (per SMX)

256 KB

L2 Cache

512 KB

-

Theoretical Performance

16.00 GPixel/s

Pixel Rate

31.78 GPixel/s

56.00 GTexel/s

Texture Rate

127.1 GTexel/s

-

1.792 TFLOPS

FP32 (float)

3.050 TFLOPS

112.0 GFLOPS

FP64 (double)

127.1 GFLOPS

Board Design

Unknown

TDP

122W

-

Portable Device Dependent

Outputs

No outputs

-

Power Connectors

None

Graphics Processor

Strato

GPU Name

GK104

Strato XT

GPU Variant

N15E-GX-A2

GCN 2.0

Architecture

Kepler

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

2.08 billion

Transistors

3.54 billion

160 mm²

Die Size

294 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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