NVIDIA Tesla K20c vs NVIDIA RTX 4000 SFF Ada Generation

VS

NVIDIA Tesla K20c

NVIDIA RTX 4000 SFF Ada Generation

We compared two Professional market GPUs: 5GB VRAM Tesla K20c 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 5GB)

Larger VRAM bandwidth (280.0GB/s vs 208.0GB/s)

3648 additional rendering cores

Lower TDP (70W vs 225W)

Score

Benchmark

FP32 (float)

Tesla K20c

3.524 TFLOPS

RTX 4000 SFF Ada Generation +443%

19.17 TFLOPS

OctaneBench

Tesla K20c

55

RTX 4000 SFF Ada Generation +705%

443

Tesla K20c

VS

RTX 4000 SFF Ada Generation

Graphics Card

Nov 2012

Release Date

Mar 2023

Tesla

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

1300 MHz

Memory Clock

1750 MHz

Memory

5GB

Memory Size

20GB

GDDR5

Memory Type

GDDR6

320bit

Memory Bus

160bit

208.0GB/s

Bandwidth

280.0GB/s

Render Config

-

SM Count

48

2496

Shading Units

6144

208

TMUs

192

40

ROPs

80

-

Tensor Cores

192

-

RT Cores

48

16 KB (per SMX)

L1 Cache

128 KB (per SM)

1280 KB

L2 Cache

48 MB

-

Theoretical Performance

36.71 GPixel/s

Pixel Rate

124.8 GPixel/s

146.8 GTexel/s

Texture Rate

299.5 GTexel/s

-

FP16 (half)

19.17 TFLOPS

3.524 TFLOPS

FP32 (float)

19.17 TFLOPS

1175 GFLOPS

FP64 (double)

299.5 GFLOPS

Board Design

225W

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 Processor

GK110

GPU Name

AD104

GK110-885-KA-A1

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

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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