NVIDIA GeForce GTX 680MX Mac Edition vs NVIDIA GeForce 305M

VS

NVIDIA GeForce GTX 680MX Mac Edition NVIDIA GeForce 305M

We compared two Mobile platform GPUs: 2GB VRAM GeForce GTX 680MX Mac Edition and 512MB VRAM GeForce 305M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 680MX Mac Edition 's Advantages

Released 2 years and 9 months late

Larger VRAM bandwidth (160.0GB/s vs 11.20GB/s)

1520 additional rendering cores

NVIDIA GeForce 305M 's Advantages

Lower TDP (14W vs 122W)

Score

Benchmark

FP32 (float)

GeForce GTX 680MX Mac Edition +5870%

2.209 TFLOPS

GeForce 305M

0.037 TFLOPS

GeForce GTX 680MX Mac Edition

VS

GeForce 305M

Graphics Card

Oct 2012

Release Date

Jan 2010

GeForce 600M

Generation

GeForce 300M

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

Base Clock

-

Boost Clock

-

1250 MHz

Memory Clock

700 MHz

Memory

2GB

Memory Size

512MB

GDDR5

Memory Type

GDDR3

256bit

Memory Bus

64bit

160.0GB/s

Bandwidth

11.20GB/s

Render Config

-

SM Count

2

-

Compute Units

-

1536

Shading Units

16

128

TMUs

8

32

ROPs

4

-

Tensor Cores

-

RT Cores

-

16 KB (per SMX)

L1 Cache

-

512 KB

L2 Cache

32 KB

Theoretical Performance

23.01 GPixel/s

Pixel Rate

2.100 GPixel/s

92.03 GTexel/s

Texture Rate

4.200 GTexel/s

-

FP16 (half)

-

2.209 TFLOPS

FP32 (float)

36.80 GFLOPS

92.03 GFLOPS

FP64 (double)

-

Graphics Processor

GK104

GPU Name

GT218

N13E-GTX2-A2

GPU Variant

N11M-LP1

Kepler

Architecture

Tesla 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

3.54 billion

Transistors

0.26 billion

294 mm²

Die Size

57 mm²

Board Design

122W

TDP

14W

-

Suggested PSU

-

No outputs

Outputs

No outputs

-

Power Connectors

-

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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