NVIDIA Tesla K20X vs NVIDIA RTX 4000 SFF Ada Generation

VS

NVIDIA Tesla K20X NVIDIA RTX 4000 SFF Ada Generation

We compared two Professional market GPUs: 6GB VRAM Tesla K20X 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 RTX 4000 SFF Ada Generation 's Advantages

Released 10 years and 4 months late

Boost Clock1560MHz

More VRAM (20GB vs 6GB)

Larger VRAM bandwidth (280.0GB/s vs 249.6GB/s)

3456 additional rendering cores

Lower TDP (70W vs 235W)

Score

Benchmark

FP32 (float)

Tesla K20X

3.935 TFLOPS

RTX 4000 SFF Ada Generation +387%

19.17 TFLOPS

Tesla K20X

VS

RTX 4000 SFF Ada Generation

Graphics Card

Nov 2012

Release Date

Mar 2023

Tesla

Generation

Quadro Ada

Professional

Type

Professional

PCIe 3.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

-

Base Clock

720 MHz

-

Boost Clock

1560 MHz

1300 MHz

Memory Clock

1750 MHz

Memory

6GB

Memory Size

20GB

GDDR5

Memory Type

GDDR6

384bit

Memory Bus

160bit

249.6GB/s

Bandwidth

280.0GB/s

Render Config

-

SM Count

48

-

Compute Units

-

2688

Shading Units

6144

224

TMUs

192

48

ROPs

80

-

Tensor Cores

192

-

RT Cores

48

16 KB (per SMX)

L1 Cache

128 KB (per SM)

1536 KB

L2 Cache

48 MB

Theoretical Performance

40.99 GPixel/s

Pixel Rate

124.8 GPixel/s

164.0 GTexel/s

Texture Rate

299.5 GTexel/s

-

FP16 (half)

19.17 TFLOPS

3.935 TFLOPS

FP32 (float)

19.17 TFLOPS

1312 GFLOPS

FP64 (double)

299.5 GFLOPS

Graphics Processor

GK110

GPU Name

AD104

-

GPU Variant

-

Kepler

Architecture

Ada Lovelace

TSMC

Foundry

TSMC

28 nm

Process Size

5 nm

7.08 billion

Transistors

35.8 billion

561 mm²

Die Size

294 mm²

Board Design

235W

TDP

70W

550 W

Suggested PSU

250 W

No outputs

Outputs

4x mini-DisplayPort 1.4a

1x 6-pin + 1x 8-pin

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

3.5

CUDA

8.9

5.1

Shader Model

6.7

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