NVIDIA GeForce GTX 780M Mac Edition vs NVIDIA GeForce 8400M G

VS

NVIDIA GeForce GTX 780M Mac Edition

NVIDIA GeForce 8400M G

We compared two Mobile platform GPUs: 4GB VRAM GeForce GTX 780M Mac Edition and 256MB VRAM GeForce 8400M G 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 6 years and 6 months late

Boost Clock797MHz

More VRAM (4GB vs 256GB)

Larger VRAM bandwidth (160.0GB/s vs 6.400GB/s)

1528 additional rendering cores

NVIDIA GeForce 8400M G 's Advantages

Lower TDP (10W vs 122W)

Score

Benchmark

FP32 (float)

GeForce GTX 780M Mac Edition +18730%

2.448 TFLOPS

GeForce 8400M G

0.013 TFLOPS

GeForce GTX 780M Mac Edition

VS

GeForce 8400M G

Graphics Card

Nov 2013

Release Date

May 2007

GeForce 700M

Generation

GeForce 8M

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

PCIe 1.0 x16

Clock Speeds

771 MHz

Base Clock

-

797 MHz

Boost Clock

-

1250 MHz

Memory Clock

400 MHz

Memory

4GB

Memory Size

256MB

GDDR5

Memory Type

GDDR3

256bit

Memory Bus

64bit

160.0GB/s

Bandwidth

6.400GB/s

Render Config

-

SM Count

1

1536

Shading Units

8

128

TMUs

8

32

ROPs

4

-

16 KB (per SMX)

L1 Cache

-

512 KB

L2 Cache

16 KB

-

Theoretical Performance

25.50 GPixel/s

Pixel Rate

1.600 GPixel/s

102.0 GTexel/s

Texture Rate

3.200 GTexel/s

-

2.448 TFLOPS

FP32 (float)

12.80 GFLOPS

102.0 GFLOPS

FP64 (double)

-

Board Design

122W

TDP

10W

-

No outputs

Outputs

No outputs

-

Power Connectors

None

Graphics Processor

GK104

GPU Name

G86

N14E-GTX-A2

GPU Variant

NB8M-SE

Kepler

Architecture

Tesla

TSMC

Foundry

TSMC

28 nm

Process Size

80 nm

3.54 billion

Transistors

0.21 billion

294 mm²

Die Size

127 mm²

Graphics Features

12 (11_0)

DirectX

11.1 (10_0)

4.6

OpenGL

3.3

3.0

OpenCL

1.1

Vulkan

N/A

3.0

CUDA

1.1

5.1

Shader Model

4.0

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