NVIDIA Quadro K4000 vs NVIDIA RTX A6000

VS

We compared two Professional market GPUs: 3GB VRAM Quadro K4000 and 48GB VRAM RTX A6000 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA Quadro K4000 's Advantages

Lower TDP (80W vs 300W)

NVIDIA RTX A6000 's Advantages

Released 7 years and 7 months late

Boost Clock1800MHz

More VRAM (48GB vs 3GB)

Larger VRAM bandwidth (768.0GB/s vs 134.8GB/s)

9984 additional rendering cores

Score

Benchmark

FP32 (float)

Quadro K4000

1.244 TFLOPS

RTX A6000 +3011%

38.71 TFLOPS

Quadro K4000

VS

RTX A6000

Graphics Card

Mar 2013

Release Date

Oct 2020

Quadro

Generation

Quadro Ampere

Professional

Type

Professional

PCIe 2.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

-

Base Clock

1410 MHz

-

Boost Clock

1800 MHz

1404 MHz

Memory Clock

2000 MHz

Memory

3GB

Memory Size

48GB

GDDR5

Memory Type

GDDR6

192bit

Memory Bus

384bit

134.8GB/s

Bandwidth

768.0GB/s

Render Config

-

SM Count

84

-

Compute Units

-

768

Shading Units

10752

64

TMUs

336

24

ROPs

112

-

Tensor Cores

336

-

RT Cores

84

16 KB (per SMX)

L1 Cache

128 KB (per SM)

384 KB

L2 Cache

6 MB

Theoretical Performance

12.96 GPixel/s

Pixel Rate

201.6 GPixel/s

51.84 GTexel/s

Texture Rate

604.8 GTexel/s

-

FP16 (half)

38.71 TFLOPS

1244 GFLOPS

FP32 (float)

38.71 TFLOPS

51.84 GFLOPS

FP64 (double)

604.8 GFLOPS

Graphics Processor

GK106

GPU Name

GA102

-

GPU Variant

-

Kepler

Architecture

Ampere

TSMC

Foundry

Samsung

28 nm

Process Size

8 nm

2.54 billion

Transistors

28.3 billion

221 mm²

Die Size

628 mm²

Board Design

80W

TDP

300W

250 W

Suggested PSU

700 W

1x DVI 2x DisplayPort 1.2

Outputs

4x DisplayPort 1.4a

1x 6-pin

Power Connectors

8-pin EPS

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

8.6

5.1

Shader Model

6.7

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