NVIDIA GeForce GTX 780M Mac Edition vs AMD Radeon HD 8850M

VS

NVIDIA GeForce GTX 780M Mac Edition

AMD Radeon HD 8850M

We compared two Mobile platform GPUs: 4GB VRAM GeForce GTX 780M Mac Edition and 2GB VRAM Radeon HD 8850M 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

Released 7 months late

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)

GeForce GTX 780M Mac Edition +206%

2.448 TFLOPS

Radeon HD 8850M

0.8 TFLOPS

GeForce GTX 780M Mac Edition

VS

Radeon HD 8850M

Graphics Card

Nov 2013

Release Date

Apr 2013

GeForce 700M

Generation

Solar 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

-

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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