NVIDIA Tesla K20c vs NVIDIA RTX A4000 Mobile

VS

NVIDIA Tesla K20c NVIDIA RTX A4000 Mobile

We compared two Professional market GPUs: 5GB VRAM Tesla K20c and 8GB VRAM RTX A4000 Mobile to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA RTX A4000 Mobile 's Advantages

Released 8 years and 5 months late

Boost Clock1680MHz

More VRAM (8GB vs 5GB)

Larger VRAM bandwidth (384.0GB/s vs 208.0GB/s)

2624 additional rendering cores

Lower TDP (115W vs 225W)

Score

Benchmark

FP32 (float)

Tesla K20c

3.524 TFLOPS

RTX A4000 Mobile +388%

17.2 TFLOPS

OctaneBench

Tesla K20c

55

RTX A4000 Mobile +445%

300

Tesla K20c

VS

RTX A4000 Mobile

Graphics Card

Nov 2012

Release Date

Apr 2021

Tesla

Generation

Quadro Ampere-M

Professional

Type

Professional

PCIe 2.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

-

Base Clock

1140 MHz

-

Boost Clock

1680 MHz

1300 MHz

Memory Clock

1500 MHz

Memory

5GB

Memory Size

8GB

GDDR5

Memory Type

GDDR6

320bit

Memory Bus

256bit

208.0GB/s

Bandwidth

384.0GB/s

Render Config

-

SM Count

40

-

Compute Units

-

2496

Shading Units

5120

208

TMUs

160

40

ROPs

80

-

Tensor Cores

160

-

RT Cores

40

16 KB (per SMX)

L1 Cache

128 KB (per SM)

1280 KB

L2 Cache

4 MB

Theoretical Performance

36.71 GPixel/s

Pixel Rate

134.4 GPixel/s

146.8 GTexel/s

Texture Rate

268.8 GTexel/s

-

FP16 (half)

17.20 TFLOPS

3.524 TFLOPS

FP32 (float)

17.20 TFLOPS

1175 GFLOPS

FP64 (double)

268.8 GFLOPS

Graphics Processor

GK110

GPU Name

GA104

GK110-885-KA-A1

GPU Variant

-

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

Board Design

225W

TDP

115W

550 W

Suggested PSU

-

No outputs

Outputs

Portable Device Dependent

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

8.6

5.1

Shader Model

6.7

Related GPU Comparisons

1

NVIDIA Tesla K20c vs NVIDIA GRID RTX T10 16

2

NVIDIA Tesla K20c vs NVIDIA GRID K220Q

3

NVIDIA Tesla K20c vs NVIDIA Tesla K40st

4

NVIDIA Tesla K20c vs AMD Radeon Instinct MI300

5

NVIDIA Tesla K20c vs NVIDIA Tesla S1075

6

NVIDIA Tesla K20c vs NVIDIA Tesla V100 DGXS 16 GB

7

NVIDIA Tesla K20c vs NVIDIA Tesla T10 Processor

8

NVIDIA Tesla K20c vs NVIDIA Quadro K4100M

9

NVIDIA Tesla K20c vs AMD Instinct MI300A

10

NVIDIA Tesla K20c vs NVIDIA Quadro P600 Mobile

Related News

1

AMD Ryzen 9000X3D Series to Feature Fully Unlocked Overclocking; DDR5-6400: The 'Sweet Spot' for Zen 5 Memory Speeds

2

Intel Z890 Motherboard Specs Leaked: Farewell to DDR4 Memory

3

AMD Ryzen 9000 Series Now Available for Pre-order in Europe: 9950X Priced at €660, Shipping by August 2

4

AMD's Latest Breakthrough Technology Could Change the Game in the Future

5

Researchers Utilize NVIDIA Omniverse Platform to Analyze and Improve 3D Stacked Chip Designs

6

TSMC to Receive Over 60 EUV Lithography Machines Over the Next Two Years, Investing More Than $12.3 Billion

7

Samsung's Own 3nm Yield is Disheartening: Galaxy S25 May Introduce MediaTek for the First Time

8

AMD Ryzen 9000 DDR5 Memory Frequency Soars: Reaches 8000MHz with All Four Slots Occupied

9

Snapdragon 8 Gen 4 to Feature Frame Interpolation for GPU: A Game-Changing Experience

10

Intel Adds 5 New Device IDs to Latest Linux Xe Kernel in Preparation for Battlemage