NVIDIA GeForce GTX 780M Mac Edition vs NVIDIA GeForce GT 320M

VS

NVIDIA GeForce GTX 780M Mac Edition

NVIDIA GeForce GT 320M

We compared two Mobile platform GPUs: 4GB VRAM GeForce GTX 780M Mac Edition and 1024MB VRAM GeForce GT 320M 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 3 years and 8 months late

Boost Clock797MHz

More VRAM (4GB vs 1024GB)

Larger VRAM bandwidth (160.0GB/s vs 25.28GB/s)

1512 additional rendering cores

NVIDIA GeForce GT 320M 's Advantages

Lower TDP (23W vs 122W)

Score

Benchmark

FP32 (float)

GeForce GTX 780M Mac Edition +4518%

2.448 TFLOPS

GeForce GT 320M

0.053 TFLOPS

GeForce GTX 780M Mac Edition

VS

GeForce GT 320M

Graphics Card

Nov 2013

Release Date

Mar 2010

GeForce 700M

Generation

GeForce 300M

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

PCIe 2.0 x16

Clock Speeds

771 MHz

Base Clock

-

797 MHz

Boost Clock

-

1250 MHz

Memory Clock

790 MHz

Memory

4GB

Memory Size

1024MB

GDDR5

Memory Type

DDR3

256bit

Memory Bus

128bit

160.0GB/s

Bandwidth

25.28GB/s

Render Config

-

SM Count

3

1536

Shading Units

24

128

TMUs

8

32

ROPs

8

-

16 KB (per SMX)

L1 Cache

-

512 KB

L2 Cache

64 KB

-

Theoretical Performance

25.50 GPixel/s

Pixel Rate

4.000 GPixel/s

102.0 GTexel/s

Texture Rate

4.000 GTexel/s

-

2.448 TFLOPS

FP32 (float)

52.80 GFLOPS

102.0 GFLOPS

FP64 (double)

-

Board Design

122W

TDP

23W

-

No outputs

Outputs

No outputs

-

Graphics Processor

GK104

GPU Name

GT216

N14E-GTX-A2

GPU Variant

-

Kepler

Architecture

Tesla 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

3.54 billion

Transistors

0.486 billion

294 mm²

Die Size

100 mm²

Graphics Features

12 (11_0)

DirectX

11.1 (10_1)

4.6

OpenGL

3.3

3.0

OpenCL

1.1

Vulkan

N/A

3.0

CUDA

1.2

5.1

Shader Model

4.1

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