NVIDIA GeForce GTX 980M vs AMD Radeon R9 M385X

VS

NVIDIA GeForce GTX 980M AMD Radeon R9 M385X

We compared two Mobile platform GPUs: 8GB VRAM GeForce GTX 980M and 4GB VRAM Radeon R9 M385X to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 980M 's Advantages

Boost Clock has increased by 2% (1127MHz vs 1100MHz)

More VRAM (8GB vs 4GB)

Larger VRAM bandwidth (160.4GB/s vs 76.80GB/s)

640 additional rendering cores

AMD Radeon R9 M385X 's Advantages

Released 7 months late

Score

Benchmark

FP32 (float)

GeForce GTX 980M +75%

3.462 TFLOPS

Radeon R9 M385X

1.971 TFLOPS

GeForce GTX 980M

VS

Radeon R9 M385X

Graphics Card

Oct 2014

Release Date

May 2015

GeForce 900M

Generation

Gem System

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

PCIe 3.0 x16

Clock Speeds

1038 MHz

Base Clock

1000 MHz

1127 MHz

Boost Clock

1100 MHz

1253 MHz

Memory Clock

1200 MHz

Memory

8GB

Memory Size

4GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

128bit

160.4GB/s

Bandwidth

76.80GB/s

Render Config

-

SM Count

-

Compute Units

14

1536

Shading Units

896

96

TMUs

56

64

ROPs

16

-

Tensor Cores

-

RT Cores

-

48 KB (per SMM)

L1 Cache

16 KB (per CU)

2 MB

L2 Cache

256 KB

Theoretical Performance

72.13 GPixel/s

Pixel Rate

17.60 GPixel/s

108.2 GTexel/s

Texture Rate

61.60 GTexel/s

-

FP16 (half)

-

3.462 TFLOPS

FP32 (float)

1.971 TFLOPS

108.2 GFLOPS

FP64 (double)

123.2 GFLOPS

Graphics Processor

GM204

GPU Name

Strato

N16E-GX-A1

GPU Variant

Strato XT

Maxwell 2.0

Architecture

GCN 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

5.2 billion

Transistors

2.08 billion

398 mm²

Die Size

160 mm²

Board Design

Unknown

TDP

Unknown

-

Suggested PSU

-

Portable Device Dependent

Outputs

Portable Device Dependent

None

Power Connectors

-

Graphics Features

12 (12_1)

DirectX

12 (12_0)

4.6

OpenGL

4.6

3.0

OpenCL

2.1

1.3

Vulkan

1.2.170

5.2

CUDA

-

6.7 (6.4)

Shader Model

6.5

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