NVIDIA RTX 4000 SFF Ada Generation vs NVIDIA Quadro K620

VS

NVIDIA RTX 4000 SFF Ada Generation

NVIDIA Quadro K620

We compared two Professional market GPUs: 20GB VRAM RTX 4000 SFF Ada Generation and 2GB VRAM Quadro K620 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA RTX 4000 SFF Ada Generation 's Advantages

Released 8 years and 8 months late

Boost Clock has increased by 39% (1560MHz vs 1124MHz)

More VRAM (20GB vs 2GB)

Larger VRAM bandwidth (280.0GB/s vs 28.80GB/s)

5760 additional rendering cores

NVIDIA Quadro K620 's Advantages

Lower TDP (45W vs 70W)

Score

Benchmark

FP32 (float)

RTX 4000 SFF Ada Generation +2121%

19.17 TFLOPS

Quadro K620

0.863 TFLOPS

RTX 4000 SFF Ada Generation

VS

Quadro K620

Graphics Card

Mar 2023

Release Date

Jul 2014

Quadro Ada

Generation

Quadro

Professional

Type

Professional

PCIe 4.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

720 MHz

Base Clock

1058 MHz

1560 MHz

Boost Clock

1124 MHz

1750 MHz

Memory Clock

900 MHz

Memory

20GB

Memory Size

2GB

GDDR6

Memory Type

DDR3

160bit

Memory Bus

128bit

280.0GB/s

Bandwidth

28.80GB/s

Render Config

-

48

SM Count

-

6144

Shading Units

384

192

TMUs

24

80

ROPs

16

192

Tensor Cores

-

48

RT Cores

-

128 KB (per SM)

L1 Cache

64 KB (per SMM)

48 MB

L2 Cache

2 MB

-

Theoretical Performance

124.8 GPixel/s

Pixel Rate

17.98 GPixel/s

299.5 GTexel/s

Texture Rate

26.98 GTexel/s

19.17 TFLOPS

FP16 (half)

-

19.17 TFLOPS

FP32 (float)

863.2 GFLOPS

299.5 GFLOPS

FP64 (double)

26.98 GFLOPS

Board Design

70W

TDP

45W

250 W

Suggested PSU

200 W

4x mini-DisplayPort 1.4a

Outputs

1x DVI 1x DisplayPort 1.4a

None

Power Connectors

None

Graphics Processor

AD104

GPU Name

GM107

-

GPU Variant

GM107-850-A2

Ada Lovelace

Architecture

Maxwell

TSMC

Foundry

TSMC

5 nm

Process Size

28 nm

35.8 billion

Transistors

1.87 billion

294 mm²

Die Size

148 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

12 (11_0)

4.6

OpenGL

4.6

3.0

OpenCL

3.0

1.3

Vulkan

1.3

8.9

CUDA

5.0

6.7

Shader Model

5.1

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