A800 PCIe 40 GB vs RTX A4500

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Primary details

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

Place in the ranking45not rated
Place by popularitynot in top-100not in top-100
Power efficiency20.05no data
ArchitectureAmpere (2020−2024)Ampere (2020−2024)
GPU code nameGA102GA100
Market segmentWorkstationWorkstation
Release date23 November 2021 (2 years ago)8 November 2022 (1 year 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 cores71686912
Core clock speed1050 MHz765 MHz
Boost clock speed1650 MHz1410 MHz
Number of transistors28,300 million54,200 million
Manufacturing process technology8 nm7 nm
Power consumption (TDP)200 Watt250 Watt
Texture fill rate369.6609.1
Floating-point processing power23.65 TFLOPS19.49 TFLOPS
ROPs96160
TMUs224432
Tensor Cores224432
Ray Tracing Cores56no data

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).

InterfacePCIe 4.0 x16PCIe 4.0 x16
Length267 mm267 mm
Width2-slot2-slot
Supplementary power connectors1x 8-pin8-pin EPS

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 typeGDDR6HBM2e
Maximum RAM amount20 GB40 GB
Memory bus width320 Bit5120 Bit
Memory clock speed2000 MHz1215 MHz
Memory bandwidth640.0 GB/s1,555 GB/s

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 Connectors4x DisplayPort 1.4aNo outputs

API compatibility

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

DirectX12 Ultimate (12_2)N/A
Shader Model6.7N/A
OpenGL4.6N/A
OpenCL3.03.0
Vulkan1.3N/A
CUDA8.68.0

Pros & cons summary


Recency 23 November 2021 8 November 2022
Maximum RAM amount 20 GB 40 GB
Chip lithography 8 nm 7 nm
Power consumption (TDP) 200 Watt 250 Watt

RTX A4500 has 25% lower power consumption.

A800 PCIe 40 GB, on the other hand, has an age advantage of 11 months, a 100% higher maximum VRAM amount, and a 14.3% more advanced lithography process.

We couldn't decide between RTX A4500 and A800 PCIe 40 GB. We've got no test results to judge.


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 RTX A4500
RTX A4500
NVIDIA A800 PCIe 40 GB
A800 PCIe 40 GB

Comparisons with similar GPUs

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Community ratings

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3.6 190 votes

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Questions & comments

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