NVIDIA GeForce GTX 670 vs NVIDIA GeForce GT 420 OEM

VS

NVIDIA GeForce GTX 670

NVIDIA GeForce GT 420 OEM

We compared two Desktop platform GPUs: 2GB VRAM GeForce GTX 670 and 1024MB VRAM GeForce GT 420 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 670 's Advantages

Released 1 years and 8 months late

Boost Clock980MHz

More VRAM (2GB vs 1024GB)

Larger VRAM bandwidth (192.3GB/s vs 28.80GB/s)

1296 additional rendering cores

NVIDIA GeForce GT 420 OEM 's Advantages

Lower TDP (50W vs 170W)

Score

Benchmark

FP32 (float)

GeForce GTX 670 +1865%

2.634 TFLOPS

GeForce GT 420 OEM

0.134 TFLOPS

GeForce GTX 670

VS

GeForce GT 420 OEM

Graphics Card

May 2012

Release Date

Sep 2010

GeForce 600

Generation

GeForce 400

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

915 MHz

Base Clock

-

980 MHz

Boost Clock

-

1502 MHz

Memory Clock

900 MHz

Memory

2GB

Memory Size

1024MB

GDDR5

Memory Type

DDR3

256bit

Memory Bus

128bit

192.3GB/s

Bandwidth

28.80GB/s

Render Config

-

SM Count

1

1344

Shading Units

48

112

TMUs

4

32

ROPs

4

-

16 KB (per SMX)

L1 Cache

64 KB (per SM)

512 KB

L2 Cache

256 KB

-

Theoretical Performance

27.44 GPixel/s

Pixel Rate

1.400 GPixel/s

109.8 GTexel/s

Texture Rate

2.800 GTexel/s

-

2.634 TFLOPS

FP32 (float)

134.4 GFLOPS

109.8 GFLOPS

FP64 (double)

11.20 GFLOPS

Board Design

170W

TDP

50W

450 W

Suggested PSU

250 W

2x DVI 1x HDMI 1.4a 1x DisplayPort 1.2

Outputs

1x DVI 1x HDMI 1.3a 1x VGA

2x 6-pin

Power Connectors

None

Graphics Processor

GK104

GPU Name

GF108

GK104-325-A2

GPU Variant

GF108-200-A1

Kepler

Architecture

Fermi

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

3.54 billion

Transistors

0.585 billion

294 mm²

Die Size

116 mm²

Graphics Features

12 (11_0)

DirectX

12 (11_0)

4.6

OpenGL

4.6

3.0

OpenCL

1.1

Vulkan

N/A

3.0

CUDA

2.1

5.1

Shader Model

5.1

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