RTX A4000 vs Silicon Motion SM502

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Primary details

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

Place in the rankingnot rated58
Place by popularitynot in top-100not in top-100
Power efficiencyno data24.77
Architectureno dataAmpere (2020−2024)
GPU code nameno dataGA104
Market segmentLaptopWorkstation
Release date1 January 2007 (17 years ago)12 April 2021 (3 years ago)

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 coresno data6144
Core clock speedno data735 MHz
Boost clock speedno data1560 MHz
Number of transistorsno data17,400 million
Manufacturing process technologyno data8 nm
Power consumption (TDP)no data140 Watt
Texture fill rateno data299.5
Floating-point processing powerno data19.17 TFLOPS
ROPsno data96
TMUsno data192
Tensor Coresno data192
Ray Tracing Coresno data48

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).

Interfaceno dataPCIe 4.0 x16
Lengthno data241 mm
Widthno data1-slot
Supplementary power connectorsno data1x 6-pin

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 typeno dataGDDR6
Maximum RAM amountno data16 GB
Memory bus widthno data256 Bit
Memory clock speedno data1750 MHz
Memory bandwidthno data448.0 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 data4x DisplayPort 1.4a

API compatibility

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

DirectXno data12 Ultimate (12_2)
Shader Modelno data6.7
OpenGLno data4.6
OpenCLno data3.0
Vulkan-1.3
CUDA-8.6

Pros & cons summary


Recency 1 January 2007 12 April 2021

RTX A4000 has an age advantage of 14 years.

We couldn't decide between Silicon Motion SM502 and RTX A4000. We've got no test results to judge.

Be aware that Silicon Motion SM502 is a notebook card while RTX A4000 is a 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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Silicon Motion SM502
SM502
NVIDIA RTX A4000
RTX A4000

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Community ratings

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3 2 votes

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4 636 votes

Rate RTX A4000 on a scale of 1 to 5:

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