NVIDIA Tesla K20c vs NVIDIA RTX A1000 Mobile

VS

NVIDIA Tesla K20c

NVIDIA RTX A1000 Mobile

We compared two Professional market GPUs: 5GB VRAM Tesla K20c and 4GB VRAM RTX A1000 Mobile to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA Tesla K20c 's Advantages

More VRAM (5GB vs 4GB)

448 additional rendering cores

NVIDIA RTX A1000 Mobile 's Advantages

Released 9 years and 4 months late

Boost Clock1831MHz

Larger VRAM bandwidth (224GB/s vs 208.0GB/s)

Lower TDP (60W vs 225W)

Score

Benchmark

FP32 (float)

Tesla K20c

3.524 TFLOPS

RTX A1000 Mobile +112%

7.5 TFLOPS

OctaneBench

Tesla K20c

55

RTX A1000 Mobile +167%

147

Tesla K20c

VS

RTX A1000 Mobile

Graphics Card

Nov 2012

Release Date

Mar 2022

Tesla

Generation

Quadro Ampere-M

Professional

Type

Professional

PCIe 2.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

-

Base Clock

630 MHz

-

Boost Clock

1831 MHz

1300 MHz

Memory Clock

1750 MHz

Memory

5GB

Memory Size

4GB

GDDR5

Memory Type

GDDR6

320bit

Memory Bus

128bit

208.0GB/s

Bandwidth

224GB/s

Render Config

-

SM Count

16

2496

Shading Units

2048

208

TMUs

64

40

ROPs

48

-

Tensor Cores

64

-

RT Cores

16

16 KB (per SMX)

L1 Cache

128 KB (per SM)

1280 KB

L2 Cache

2 MB

-

Theoretical Performance

36.71 GPixel/s

Pixel Rate

89.9 GPixel/s

146.8 GTexel/s

Texture Rate

117.2 GTexel/s

-

FP16 (half)

4.669 TFLOPS

3.524 TFLOPS

FP32 (float)

7.5 TFLOPS

1175 GFLOPS

FP64 (double)

72.96 GFLOPS

Board Design

225W

TDP

60W

550 W

Suggested PSU

-

No outputs

Outputs

Portable Device Dependent

1x 6-pin + 1x 8-pin

Power Connectors

None

Graphics Processor

GK110

GPU Name

GA107

GK110-885-KA-A1

GPU Variant

-

Kepler

Architecture

Ampere

TSMC

Foundry

Samsung

28 nm

Process Size

8 nm

7.08 billion

Transistors

8.7 billion

561 mm²

Die Size

200 mm²

Graphics Features

12 (11_0)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

3.0

OpenCL

3.0

1.1

Vulkan

1.2

3.5

CUDA

8.6

5.1

Shader Model

6.7

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