NVIDIA Tesla K20Xm vs NVIDIA RTX A4000

VS

NVIDIA Tesla K20Xm

NVIDIA RTX A4000

We compared two Professional market GPUs: 6GB VRAM Tesla K20Xm and 16GB VRAM RTX A4000 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 5 months late

Boost Clock1560MHz

More VRAM (16GB vs 6GB)

Larger VRAM bandwidth (448.0GB/s vs 249.6GB/s)

3456 additional rendering cores

Lower TDP (140W vs 235W)

Score

Benchmark

FP32 (float)

Tesla K20Xm

3.935 TFLOPS

RTX A4000 +387%

19.17 TFLOPS

Blender

Tesla K20Xm

372

RTX A4000 +757%

3190

OctaneBench

Tesla K20Xm

63

RTX A4000 +458%

352

Tesla K20Xm

VS

RTX A4000

Graphics Card

Nov 2012

Release Date

Apr 2021

Tesla

Generation

Quadro Ampere

Professional

Type

Professional

PCIe 3.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

-

Base Clock

735 MHz

-

Boost Clock

1560 MHz

1300 MHz

Memory Clock

1750 MHz

Memory

6GB

Memory Size

16GB

GDDR5

Memory Type

GDDR6

384bit

Memory Bus

256bit

249.6GB/s

Bandwidth

448.0GB/s

Render Config

-

SM Count

48

2688

Shading Units

6144

224

TMUs

192

48

ROPs

96

-

Tensor Cores

192

-

RT Cores

48

16 KB (per SMX)

L1 Cache

128 KB (per SM)

1536 KB

L2 Cache

4 MB

-

Theoretical Performance

40.99 GPixel/s

Pixel Rate

149.8 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

Board Design

235W

TDP

140W

550 W

Suggested PSU

300 W

No outputs

Outputs

4x DisplayPort 1.4a

-

Power Connectors

1x 6-pin

Graphics Processor

GK110

GPU Name

GA104

-

GPU Variant

GA104-875-A1

Kepler

Architecture

Ampere

TSMC

Foundry

Samsung

28 nm

Process Size

8 nm

7.08 billion

Transistors

17.4 billion

561 mm²

Die Size

392 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

8.6

5.1

Shader Model

6.7

Related GPU Comparisons

1

NVIDIA Tesla K20Xm vs NVIDIA Quadro 3000M

2

NVIDIA Tesla K20Xm vs Intel Data Center GPU Max 1100

3

NVIDIA Tesla K20Xm vs NVIDIA Quadro FX 380M

4

NVIDIA Tesla K20Xm vs NVIDIA Quadro K6000

5

NVIDIA Tesla K20Xm vs AMD Radeon PRO W7800

6

NVIDIA Tesla K20Xm vs NVIDIA Quadro NVS 440 PCIe x16

7

NVIDIA Tesla K20Xm vs NVIDIA Tesla M1060

8

NVIDIA Tesla K20Xm vs NVIDIA Quadro M500M

9

NVIDIA Tesla K20Xm vs NVIDIA Quadro NVS 440 PCIe x1

10

NVIDIA Tesla K20Xm vs NVIDIA Tesla S870

Related News

1

The Commencement of ARM and Qualcomm Licensing Dispute Trial: Potential Major Impact on PC Market

2

NVIDIA Allegedly Equips RTX 5080 with 30Gbps Memory Speed, Other Models to Feature 28Gbps

3

Intel Reports High Return Rates for Devices Featuring Snapdragon X Series; Qualcomm Counters with 'Industry Standard' Claim

4

Intel Confirms Panther Lake Adopts 18A Process, ES0 Samples Already Sent to Customers

5

Complete Lineup of Core Ultra 200HX/H/U and Core 200H/U Revealed: 31 Models to Dazzle the Eyes

6

Amechi Unveils V1 Mini PC: Only 0.33L Volume with 150W Power Consumption

7

iPhone 17 Series Set for Major Design Overhaul: Camera Module Transformed into Sleek Strip

8

The Thinnest iPhone Ever! iPhone 17 Air Reportedly Enters Foxconn's NPI Stage

9

Apple Allegedly Cancels M4 Extreme, Originally Planned for Mac Pro with 64-Core CPU and 160-Core GPU

10

Cyberpunk 2077 Update 2.2: Intel Arrow Lake Gaming Performance Soars by 33%!