NVIDIA GeForce GTX 670MX vs AMD Radeon R5 M420

VS

NVIDIA GeForce GTX 670MX

AMD Radeon R5 M420

We compared two Mobile platform GPUs: 3GB VRAM GeForce GTX 670MX and 4GB VRAM Radeon R5 M420 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 670MX 's Advantages

Larger VRAM bandwidth (67.20GB/s vs 16.00GB/s)

640 additional rendering cores

AMD Radeon R5 M420 's Advantages

Released 3 years and 7 months late

Boost Clock850MHz

More VRAM (4GB vs 3GB)

Score

Benchmark

FP32 (float)

GeForce GTX 670MX +112%

1.154 TFLOPS

Radeon R5 M420

0.544 TFLOPS

GeForce GTX 670MX

VS

Radeon R5 M420

Graphics Card

Oct 2012

Release Date

May 2016

GeForce 600M

Generation

Gem System

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

-

Base Clock

780 MHz

-

Boost Clock

850 MHz

700 MHz

Memory Clock

1000 MHz

Memory

3GB

Memory Size

4GB

GDDR5

Memory Type

DDR3

192bit

Memory Bus

64bit

67.20GB/s

Bandwidth

16.00GB/s

Render Config

-

Compute Units

5

-

960

Shading Units

320

80

TMUs

20

24

ROPs

8

-

16 KB (per SMX)

L1 Cache

16 KB (per CU)

384 KB

L2 Cache

128 KB

-

Theoretical Performance

12.02 GPixel/s

Pixel Rate

6.800 GPixel/s

48.08 GTexel/s

Texture Rate

17.00 GTexel/s

-

1154 GFLOPS

FP32 (float)

544.0 GFLOPS

48.08 GFLOPS

FP64 (double)

34.00 GFLOPS

Board Design

75W

TDP

Unknown

-

No outputs

Outputs

Portable Device Dependent

-

Graphics Processor

GK104

GPU Name

Jet

N13E-GR-A2

GPU Variant

Jet PRO (216-0856040)

Kepler

Architecture

GCN 1.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

3.54 billion

Transistors

0.69 billion

294 mm²

Die Size

56 mm²

Graphics Features

12 (11_0)

DirectX

12 (11_1)

4.6

OpenGL

4.6

3.0

OpenCL

2.1 (1.2)

1.1

Vulkan

1.2.170

3.0

CUDA

-

5.1

Shader Model

6.5 (5.1)

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