NVIDIA GeForce 820M vs NVIDIA GeForce GTX 670MX

VS

NVIDIA GeForce 820M

NVIDIA GeForce GTX 670MX

We compared two Mobile platform GPUs: 2GB VRAM GeForce 820M and 3GB VRAM GeForce GTX 670MX to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce 820M 's Advantages

Released 2 years and 5 months late

Lower TDP (45W vs 75W)

NVIDIA GeForce GTX 670MX 's Advantages

More VRAM (3GB vs 2GB)

Larger VRAM bandwidth (67.20GB/s vs 28.83GB/s)

576 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce 820M

0.622 TFLOPS

GeForce GTX 670MX +85%

1.154 TFLOPS

GeForce 820M

VS

GeForce GTX 670MX

Graphics Card

Mar 2015

Release Date

Oct 2012

GeForce 800M

Generation

GeForce 600M

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

901 MHz

Memory Clock

700 MHz

Memory

2GB

Memory Size

3GB

DDR3

Memory Type

GDDR5

128bit

Memory Bus

192bit

28.83GB/s

Bandwidth

67.20GB/s

Render Config

-

384

Shading Units

960

32

TMUs

80

16

ROPs

24

-

16 KB (per SMX)

L1 Cache

16 KB (per SMX)

256 KB

L2 Cache

384 KB

-

Theoretical Performance

6.480 GPixel/s

Pixel Rate

12.02 GPixel/s

25.92 GTexel/s

Texture Rate

48.08 GTexel/s

-

622.1 GFLOPS

FP32 (float)

1154 GFLOPS

25.92 GFLOPS

FP64 (double)

48.08 GFLOPS

Board Design

45W

TDP

75W

-

No outputs

Outputs

No outputs

-

Graphics Processor

GK107

GPU Name

GK104

-

GPU Variant

N13E-GR-A2

Kepler

Architecture

Kepler

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

1.27 billion

Transistors

3.54 billion

118 mm²

Die Size

294 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

3.0

5.1

Shader Model

5.1

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