NVIDIA GeForce GTX 780M vs AMD Radeon R9 M485X

VS

NVIDIA GeForce GTX 780M AMD Radeon R9 M485X

We compared two Mobile platform GPUs: 4GB VRAM GeForce GTX 780M and 8GB VRAM Radeon R9 M485X to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 780M 's Advantages

Boost Clock797MHz

Lower TDP (122W vs 250W)

AMD Radeon R9 M485X 's Advantages

Released 3 years late

More VRAM (8GB vs 4GB)

512 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GTX 780M

2.448 TFLOPS

Radeon R9 M485X +20%

2.961 TFLOPS

GeForce GTX 780M

VS

Radeon R9 M485X

Graphics Card

May 2013

Release Date

May 2016

GeForce 700M

Generation

Crystal System

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

MXM-B (3.0)

Clock Speeds

771 MHz

Base Clock

-

797 MHz

Boost Clock

-

1250 MHz

Memory Clock

1250 MHz

Memory

4GB

Memory Size

8GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

256bit

160.0GB/s

Bandwidth

160.0GB/s

Render Config

-

SM Count

-

Compute Units

32

1536

Shading Units

2048

128

TMUs

128

32

ROPs

32

-

Tensor Cores

-

RT Cores

-

16 KB (per SMX)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

512 KB

Theoretical Performance

25.50 GPixel/s

Pixel Rate

23.14 GPixel/s

102.0 GTexel/s

Texture Rate

92.54 GTexel/s

-

FP16 (half)

2.961 TFLOPS

2.448 TFLOPS

FP32 (float)

2.961 TFLOPS

102.0 GFLOPS

FP64 (double)

185.1 GFLOPS

Graphics Processor

GK104

GPU Name

Amethyst

N14E-GTX-A2

GPU Variant

Amethyst XT

Kepler

Architecture

GCN 3.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

3.54 billion

Transistors

5 billion

294 mm²

Die Size

366 mm²

Board Design

122W

TDP

250W

-

Suggested PSU

-

No outputs

Outputs

No outputs

None

Power Connectors

None

Graphics Features

12 (11_0)

DirectX

12 (12_0)

4.6

OpenGL

4.6

3.0

OpenCL

2.0

1.1

Vulkan

1.2

3.0

CUDA

-

5.1

Shader Model

6.3

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