NVIDIA GeForce GTX 780M vs AMD Radeon R9 M295X Mac Edition

VS

NVIDIA GeForce GTX 780M

AMD Radeon R9 M295X Mac Edition

We compared two Mobile platform GPUs: 4GB VRAM GeForce GTX 780M and 4GB VRAM Radeon R9 M295X Mac Edition 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 M295X Mac Edition 's Advantages

Released 1 years and 6 months late

Larger VRAM bandwidth (174.3GB/s vs 160.0GB/s)

512 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GTX 780M

2.448 TFLOPS

Radeon R9 M295X Mac Edition +42%

3.482 TFLOPS

GeForce GTX 780M

VS

Radeon R9 M295X Mac Edition

Graphics Card

May 2013

Release Date

Nov 2014

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

1362 MHz

Memory

4GB

Memory Size

4GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

256bit

160.0GB/s

Bandwidth

174.3GB/s

Render Config

-

Compute Units

32

-

1536

Shading Units

2048

128

TMUs

128

32

ROPs

32

-

16 KB (per SMX)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

512 KB

-

Theoretical Performance

25.50 GPixel/s

Pixel Rate

27.20 GPixel/s

102.0 GTexel/s

Texture Rate

108.8 GTexel/s

-

FP16 (half)

3.482 TFLOPS

2.448 TFLOPS

FP32 (float)

3.482 TFLOPS

102.0 GFLOPS

FP64 (double)

217.6 GFLOPS

Board Design

122W

TDP

250W

-

No outputs

Outputs

No outputs

None

Power Connectors

-

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

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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