RTX A4500 Mobile vs Tesla K20s

Primary details

GPU architecture, market segment, value for money and other general parameters compared.

Place in the rankingnot rated76
Place by popularitynot in top-100not in top-100
Power efficiencyno data22.43
ArchitectureKepler (2012−2018)Ampere (2020−2024)
GPU code nameGK110GA104
Market segmentWorkstationMobile workstation
Release date18 February 2013 (11 years ago)22 March 2022 (2 years ago)
Launch price (MSRP)$3,199 no data

Detailed specifications

General parameters such as number of shaders, GPU core base clock and boost clock speeds, manufacturing process, texturing and calculation speed. Note that power consumption of some graphics cards can well exceed their nominal TDP, especially when overclocked.

Pipelines / CUDA cores24965888
Core clock speed575 MHz930 MHz
Boost clock speedno data1500 MHz
Number of transistors7,080 million17,400 million
Manufacturing process technology28 nm8 nm
Power consumption (TDP)225 Watt140 Watt
Texture fill rate119.6276.0
Floating-point processing power2.87 TFLOPS17.66 TFLOPS
ROPs4096
TMUs208184
Tensor Coresno data184
Ray Tracing Coresno data46

Form factor & compatibility

Information on compatibility with other computer components. Useful when choosing a future computer configuration or upgrading an existing one. For desktop graphics cards it's interface and bus (motherboard compatibility), additional power connectors (power supply compatibility).

Laptop sizeno datalarge
InterfacePCIe 2.0 x16PCIe 4.0 x16
Length267 mmno data
Width2-slotno data

VRAM capacity and type

Parameters of VRAM installed: its type, size, bus, clock and resulting bandwidth. Integrated GPUs have no dedicated video RAM and use a shared part of system RAM.

Memory typeGDDR5GDDR6
Maximum RAM amount5 GB16 GB
Memory bus width320 Bit256 Bit
Memory clock speed1300 MHz2000 MHz
Memory bandwidth208.0 GB/s512.0 GB/s
Shared memory--

Connectivity and outputs

Types and number of video connectors present on the reviewed GPUs. As a rule, data in this section is precise only for desktop reference ones (so-called Founders Edition for NVIDIA chips). OEM manufacturers may change the number and type of output ports, while for notebook cards availability of certain video outputs ports depends on the laptop model rather than on the card itself.

Display ConnectorsNo outputsPortable Device Dependent

API compatibility

List of supported 3D and general-purpose computing APIs, including their specific versions.

DirectX12 (11_0)12 Ultimate (12_2)
Shader Model5.16.7
OpenGL4.64.6
OpenCL1.23.0
Vulkan1.1.1261.3
CUDA3.58.6

Pros & cons summary


Recency 18 February 2013 22 March 2022
Maximum RAM amount 5 GB 16 GB
Chip lithography 28 nm 8 nm
Power consumption (TDP) 225 Watt 140 Watt

RTX A4500 Mobile has an age advantage of 9 years, a 220% higher maximum VRAM amount, a 250% more advanced lithography process, and 60.7% lower power consumption.

We couldn't decide between Tesla K20s and RTX A4500 Mobile. We've got no test results to judge.

Be aware that Tesla K20s is a workstation card while RTX A4500 Mobile is a mobile workstation one.


Should you still have questions concerning choice between the reviewed GPUs, ask them in Comments section, and we shall answer.

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NVIDIA Tesla K20s
Tesla K20s
NVIDIA RTX A4500 Mobile
RTX A4500 Mobile

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Community ratings

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5 1 vote

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3.5 17 votes

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