AMD Radeon R5 M445 vs NVIDIA GeForce GTX 680MX Mac Edition

VS

AMD Radeon R5 M445

NVIDIA GeForce GTX 680MX Mac Edition

We compared two Mobile platform GPUs: 4GB VRAM Radeon R5 M445 and 2GB VRAM GeForce GTX 680MX Mac Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R5 M445 's Advantages

Released 3 years and 3 months late

More VRAM (4GB vs 2GB)

NVIDIA GeForce GTX 680MX Mac Edition 's Advantages

Larger VRAM bandwidth (160.0GB/s vs 32.00GB/s)

1152 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon R5 M445

0.706 TFLOPS

GeForce GTX 680MX Mac Edition +212%

2.209 TFLOPS

Radeon R5 M445

VS

GeForce GTX 680MX Mac Edition

Graphics Card

Jan 2016

Release Date

Oct 2012

Gem System

Generation

GeForce 600M

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

1000 MHz

Memory Clock

1250 MHz

Memory

4GB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

64bit

Memory Bus

256bit

32.00GB/s

Bandwidth

160.0GB/s

Render Config

6

Compute Units

-

384

Shading Units

1536

24

TMUs

128

8

ROPs

32

-

16 KB (per CU)

L1 Cache

16 KB (per SMX)

128 KB

L2 Cache

512 KB

-

Theoretical Performance

7.360 GPixel/s

Pixel Rate

23.01 GPixel/s

22.08 GTexel/s

Texture Rate

92.03 GTexel/s

-

706.6 GFLOPS

FP32 (float)

2.209 TFLOPS

-

FP64 (double)

92.03 GFLOPS

Board Design

Unknown

TDP

122W

-

Portable Device Dependent

Outputs

No outputs

-

Graphics Processor

Meso

GPU Name

GK104

Meso XT (216-0864018)

GPU Variant

N13E-GTX2-A2

GCN 3.0

Architecture

Kepler

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

1.55 billion

Transistors

3.54 billion

125 mm²

Die Size

294 mm²

Graphics Features

12 (12_0)

DirectX

12 (11_0)

4.6

OpenGL

4.6

2.1

OpenCL

3.0

1.2.170

Vulkan

1.1

-

CUDA

3.0

6.5

Shader Model

5.1

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