NVIDIA GeForce GTX 780M vs AMD Radeon R9 M265X

VS

NVIDIA GeForce GTX 780M

AMD Radeon R9 M265X

We compared two Mobile platform GPUs: 4GB VRAM GeForce GTX 780M and 2GB VRAM Radeon R9 M265X to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 780M 's Advantages

Boost Clock has increased by 28% (797MHz vs 625MHz)

More VRAM (4GB vs 2GB)

Larger VRAM bandwidth (160.0GB/s vs 64.00GB/s)

896 additional rendering cores

AMD Radeon R9 M265X 's Advantages

Released 10 months late

Score

Benchmark

FP32 (float)

GeForce GTX 780M +206%

2.448 TFLOPS

Radeon R9 M265X

0.8 TFLOPS

GeForce GTX 780M

VS

Radeon R9 M265X

Graphics Card

May 2013

Release Date

Mar 2014

GeForce 700M

Generation

Gem System

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

PCIe 3.0 x16

Clock Speeds

771 MHz

Base Clock

575 MHz

797 MHz

Boost Clock

625 MHz

1250 MHz

Memory Clock

1000 MHz

Memory

4GB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

128bit

160.0GB/s

Bandwidth

64.00GB/s

Render Config

-

Compute Units

10

-

1536

Shading Units

640

128

TMUs

40

32

ROPs

16

-

16 KB (per SMX)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

256 KB

-

Theoretical Performance

25.50 GPixel/s

Pixel Rate

10.00 GPixel/s

102.0 GTexel/s

Texture Rate

25.00 GTexel/s

-

2.448 TFLOPS

FP32 (float)

800.0 GFLOPS

102.0 GFLOPS

FP64 (double)

50.00 GFLOPS

Board Design

122W

TDP

Unknown

-

No outputs

Outputs

Portable Device Dependent

None

Power Connectors

-

Graphics Processor

GK104

GPU Name

Venus

N14E-GTX-A2

GPU Variant

Venus PRO (216-0846009)

Kepler

Architecture

GCN 1.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

3.54 billion

Transistors

1.5 billion

294 mm²

Die Size

123 mm²

Graphics Features

12 (11_0)

DirectX

12 (11_1)

4.6

OpenGL

4.6

3.0

OpenCL

2.1 (1.2)

1.1

Vulkan

1.2.170

3.0

CUDA

-

5.1

Shader Model

6.5 (5.1)

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