AMD Radeon R9 M265X vs NVIDIA GeForce GTX 780M

VS

AMD Radeon R9 M265X

NVIDIA GeForce GTX 780M

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

Main Differences

AMD Radeon R9 M265X 's Advantages

Released 10 months late

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

Score

Benchmark

FP32 (float)

Radeon R9 M265X

0.8 TFLOPS

GeForce GTX 780M +206%

2.448 TFLOPS

Radeon R9 M265X

VS

GeForce GTX 780M

Graphics Card

Mar 2014

Release Date

May 2013

Gem System

Generation

GeForce 700M

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

MXM-B (3.0)

Clock Speeds

575 MHz

Base Clock

771 MHz

625 MHz

Boost Clock

797 MHz

1000 MHz

Memory Clock

1250 MHz

Memory

2GB

Memory Size

4GB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

256bit

64.00GB/s

Bandwidth

160.0GB/s

Render Config

10

Compute Units

-

640

Shading Units

1536

40

TMUs

128

16

ROPs

32

-

16 KB (per CU)

L1 Cache

16 KB (per SMX)

256 KB

L2 Cache

512 KB

-

Theoretical Performance

10.00 GPixel/s

Pixel Rate

25.50 GPixel/s

25.00 GTexel/s

Texture Rate

102.0 GTexel/s

-

800.0 GFLOPS

FP32 (float)

2.448 TFLOPS

50.00 GFLOPS

FP64 (double)

102.0 GFLOPS

Board Design

Unknown

TDP

122W

-

Portable Device Dependent

Outputs

No outputs

-

Power Connectors

None

Graphics Processor

Venus

GPU Name

GK104

Venus PRO (216-0846009)

GPU Variant

N14E-GTX-A2

GCN 1.0

Architecture

Kepler

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

1.5 billion

Transistors

3.54 billion

123 mm²

Die Size

294 mm²

Graphics Features

12 (11_1)

DirectX

12 (11_0)

4.6

OpenGL

4.6

2.1 (1.2)

OpenCL

3.0

1.2.170

Vulkan

1.1

-

CUDA

3.0

6.5 (5.1)

Shader Model

5.1

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