NVIDIA Quadro K420 vs NVIDIA RTX 4000 SFF Ada Generation

VS

NVIDIA Quadro K420 NVIDIA RTX 4000 SFF Ada Generation

We compared two Professional market GPUs: 1024MB VRAM Quadro K420 and 20GB VRAM RTX 4000 SFF Ada Generation to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA Quadro K420 's Advantages

Lower TDP (41W vs 70W)

NVIDIA RTX 4000 SFF Ada Generation 's Advantages

Released 8 years and 8 months late

Boost Clock1560MHz

More VRAM (20GB vs 1GB)

Larger VRAM bandwidth (280.0GB/s vs 28.51GB/s)

5952 additional rendering cores

Score

Benchmark

FP32 (float)

Quadro K420

0.336 TFLOPS

RTX 4000 SFF Ada Generation +5605%

19.17 TFLOPS

Quadro K420

VS

RTX 4000 SFF Ada Generation

Graphics Card

Jul 2014

Release Date

Mar 2023

Quadro

Generation

Quadro Ada

Professional

Type

Professional

PCIe 2.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

-

Base Clock

720 MHz

-

Boost Clock

1560 MHz

891 MHz

Memory Clock

1750 MHz

Memory

1024MB

Memory Size

20GB

DDR3

Memory Type

GDDR6

128bit

Memory Bus

160bit

28.51GB/s

Bandwidth

280.0GB/s

Render Config

-

SM Count

48

-

Compute Units

-

192

Shading Units

6144

16

TMUs

192

16

ROPs

80

-

Tensor Cores

192

-

RT Cores

48

16 KB (per SMX)

L1 Cache

128 KB (per SM)

256 KB

L2 Cache

48 MB

Theoretical Performance

3.504 GPixel/s

Pixel Rate

124.8 GPixel/s

14.02 GTexel/s

Texture Rate

299.5 GTexel/s

-

FP16 (half)

19.17 TFLOPS

336.4 GFLOPS

FP32 (float)

19.17 TFLOPS

14.02 GFLOPS

FP64 (double)

299.5 GFLOPS

Graphics Processor

GK107

GPU Name

AD104

GK107-301-A2

GPU Variant

-

Kepler

Architecture

Ada Lovelace

TSMC

Foundry

TSMC

28 nm

Process Size

5 nm

1.27 billion

Transistors

35.8 billion

118 mm²

Die Size

294 mm²

Board Design

41W

TDP

70W

200 W

Suggested PSU

250 W

1x DVI 1x DisplayPort 1.2

Outputs

4x mini-DisplayPort 1.4a

None

Power Connectors

None

Graphics Features

12 (11_0)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

3.0

OpenCL

3.0

1.1

Vulkan

1.3

3.0

CUDA

8.9

5.1

Shader Model

6.7

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