NVIDIA GeForce GTX 680MX Mac Edition vs NVIDIA GeForce 920A

VS

NVIDIA GeForce GTX 680MX Mac Edition

NVIDIA GeForce 920A

We compared two Mobile platform GPUs: 2GB VRAM GeForce GTX 680MX Mac Edition and 2GB VRAM GeForce 920A 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

Larger VRAM bandwidth (160.0GB/s vs 16.02GB/s)

1152 additional rendering cores

NVIDIA GeForce 920A 's Advantages

Released 2 years and 5 months late

Lower TDP (33W vs 122W)

Score

Benchmark

FP32 (float)

GeForce GTX 680MX Mac Edition +201%

2.209 TFLOPS

GeForce 920A

0.733 TFLOPS

GeForce GTX 680MX Mac Edition

VS

GeForce 920A

Graphics Card

Oct 2012

Release Date

Mar 2015

GeForce 600M

Generation

GeForce 900A

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

-

1250 MHz

Memory Clock

1001 MHz

Memory

2GB

Memory Size

2GB

GDDR5

Memory Type

DDR3

256bit

Memory Bus

64bit

160.0GB/s

Bandwidth

16.02GB/s

Render Config

-

1536

Shading Units

384

128

TMUs

32

ROPs

8

-

16 KB (per SMX)

L1 Cache

16 KB (per SMX)

512 KB

L2 Cache

512 KB

-

Theoretical Performance

23.01 GPixel/s

Pixel Rate

7.632 GPixel/s

92.03 GTexel/s

Texture Rate

30.53 GTexel/s

-

2.209 TFLOPS

FP32 (float)

732.7 GFLOPS

92.03 GFLOPS

FP64 (double)

30.53 GFLOPS

Board Design

122W

TDP

33W

-

No outputs

Outputs

No outputs

-

Graphics Processor

GK104

GPU Name

GK208B

N13E-GTX2-A2

GPU Variant

N16V-GM

Kepler

Architecture

Kepler 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

3.54 billion

Transistors

1.02 billion

294 mm²

Die Size

87 mm²

Graphics Features

12 (11_0)

DirectX

12 (11_0)

4.6

OpenGL

4.6

3.0

OpenCL

3.0

1.1

Vulkan

1.1

3.0

CUDA

3.5

5.1

Shader Model

5.1

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