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

VS

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

We compared two Mobile platform GPUs: 256MB VRAM GeForce 8400M G and 4GB VRAM GeForce GTX 780M Mac Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce 8400M G 's Advantages

Lower TDP (10W vs 122W)

NVIDIA GeForce GTX 780M Mac Edition 's Advantages

Released 6 years and 6 months late

Boost Clock797MHz

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

1528 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce 8400M G

0.013 TFLOPS

GeForce GTX 780M Mac Edition +18730%

2.448 TFLOPS

GeForce 8400M G

VS

GeForce GTX 780M Mac Edition

Graphics Card

May 2007

Release Date

Nov 2013

GeForce 8M

Generation

GeForce 700M

Mobile

Type

Mobile

PCIe 1.0 x16

Bus Interface

MXM-B (3.0)

Clock Speeds

-

Base Clock

771 MHz

-

Boost Clock

797 MHz

400 MHz

Memory Clock

1250 MHz

Memory

256MB

Memory Size

4GB

GDDR3

Memory Type

GDDR5

64bit

Memory Bus

256bit

6.400GB/s

Bandwidth

160.0GB/s

Render Config

1

SM Count

-

Compute Units

-

8

Shading Units

1536

8

TMUs

128

4

ROPs

32

-

Tensor Cores

-

RT Cores

-

L1 Cache

16 KB (per SMX)

16 KB

L2 Cache

512 KB

Theoretical Performance

1.600 GPixel/s

Pixel Rate

25.50 GPixel/s

3.200 GTexel/s

Texture Rate

102.0 GTexel/s

-

FP16 (half)

-

12.80 GFLOPS

FP32 (float)

2.448 TFLOPS

-

FP64 (double)

102.0 GFLOPS

Graphics Processor

G86

GPU Name

GK104

NB8M-SE

GPU Variant

N14E-GTX-A2

Tesla

Architecture

Kepler

TSMC

Foundry

TSMC

80 nm

Process Size

28 nm

0.21 billion

Transistors

3.54 billion

127 mm²

Die Size

294 mm²

Board Design

10W

TDP

122W

-

Suggested PSU

-

No outputs

Outputs

No outputs

None

Power Connectors

-

Graphics Features

11.1 (10_0)

DirectX

12 (11_0)

3.3

OpenGL

4.6

1.1

OpenCL

3.0

N/A

Vulkan

1.1

CUDA

3.0

4.0

Shader Model

5.1

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