NVIDIA RTX A4000 vs NVIDIA Quadro K4000

VS

We compared two Professional market GPUs: 16GB VRAM RTX A4000 and 3GB VRAM Quadro K4000 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA RTX A4000 's Advantages

Released 8 years and 1 months late

Boost Clock1560MHz

More VRAM (16GB vs 3GB)

Larger VRAM bandwidth (448.0GB/s vs 134.8GB/s)

5376 additional rendering cores

NVIDIA Quadro K4000 's Advantages

Lower TDP (80W vs 140W)

Score

Benchmark

FP32 (float)

RTX A4000 +1440%

19.17 TFLOPS

Quadro K4000

1.244 TFLOPS

RTX A4000

VS

Quadro K4000

Graphics Card

Apr 2021

Release Date

Mar 2013

Quadro Ampere

Generation

Quadro

Professional

Type

Professional

PCIe 4.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

735 MHz

Base Clock

-

1560 MHz

Boost Clock

-

1750 MHz

Memory Clock

1404 MHz

Memory

16GB

Memory Size

3GB

GDDR6

Memory Type

GDDR5

256bit

Memory Bus

192bit

448.0GB/s

Bandwidth

134.8GB/s

Render Config

48

SM Count

-

Compute Units

-

6144

Shading Units

768

192

TMUs

64

96

ROPs

24

192

Tensor Cores

-

48

RT Cores

-

128 KB (per SM)

L1 Cache

16 KB (per SMX)

4 MB

L2 Cache

384 KB

Theoretical Performance

149.8 GPixel/s

Pixel Rate

12.96 GPixel/s

299.5 GTexel/s

Texture Rate

51.84 GTexel/s

19.17 TFLOPS

FP16 (half)

-

19.17 TFLOPS

FP32 (float)

1244 GFLOPS

299.5 GFLOPS

FP64 (double)

51.84 GFLOPS

Graphics Processor

GA104

GPU Name

GK106

GA104-875-A1

GPU Variant

-

Ampere

Architecture

Kepler

Samsung

Foundry

TSMC

8 nm

Process Size

28 nm

17.4 billion

Transistors

2.54 billion

392 mm²

Die Size

221 mm²

Board Design

140W

TDP

80W

300 W

Suggested PSU

250 W

4x DisplayPort 1.4a

Outputs

1x DVI 2x DisplayPort 1.2

1x 6-pin

Power Connectors

1x 6-pin

Graphics Features

12 Ultimate (12_2)

DirectX

12 (11_0)

4.6

OpenGL

4.6

3.0

OpenCL

3.0

1.3

Vulkan

1.1

8.6

CUDA

3.0

6.7

Shader Model

5.1

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