NVIDIA GeForce GTX 780M Mac Edition vs AMD Radeon R7 A265

VS

NVIDIA GeForce GTX 780M Mac Edition

AMD Radeon R7 A265

We compared two Mobile platform GPUs: 4GB VRAM GeForce GTX 780M Mac Edition and 2GB VRAM Radeon R7 A265 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 780M Mac Edition 's Advantages

More VRAM (4GB vs 2GB)

Larger VRAM bandwidth (160.0GB/s vs 28.80GB/s)

1152 additional rendering cores

AMD Radeon R7 A265 's Advantages

Boost Clock has increased by 4% (825MHz vs 797MHz)

Score

Benchmark

FP32 (float)

GeForce GTX 780M Mac Edition +286%

2.448 TFLOPS

Radeon R7 A265

0.633 TFLOPS

GeForce GTX 780M Mac Edition

VS

Radeon R7 A265

Graphics Card

Nov 2013

Release Date

Jan 2014

GeForce 700M

Generation

All-In-One

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

PCIe 3.0 x8

Clock Speeds

771 MHz

Base Clock

725 MHz

797 MHz

Boost Clock

825 MHz

1250 MHz

Memory Clock

900 MHz

Memory

4GB

Memory Size

2GB

GDDR5

Memory Type

DDR3

256bit

Memory Bus

128bit

160.0GB/s

Bandwidth

28.80GB/s

Render Config

-

Compute Units

6

-

1536

Shading Units

384

128

TMUs

24

32

ROPs

8

-

16 KB (per SMX)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

256 KB

-

Theoretical Performance

25.50 GPixel/s

Pixel Rate

6.600 GPixel/s

102.0 GTexel/s

Texture Rate

19.80 GTexel/s

-

2.448 TFLOPS

FP32 (float)

633.6 GFLOPS

102.0 GFLOPS

FP64 (double)

39.60 GFLOPS

Board Design

122W

TDP

Unknown

-

No outputs

Outputs

Portable Device Dependent

-

Graphics Processor

GK104

GPU Name

Opal

N14E-GTX-A2

GPU Variant

Opal XT

Kepler

Architecture

GCN 1.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

3.54 billion

Transistors

0.95 billion

294 mm²

Die Size

77 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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