A800 SXM4 80 GB vs Radeon RX 5900

Primary details

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

Place in the rankingnot ratednot rated
Place by popularitynot in top-100not in top-100
ArchitectureRDNA 2.0 (2020−2024)Ampere (2020−2024)
GPU code nameNavi 21GA100
Market segmentDesktopWorkstation
Release dateno data (2024 years ago)11 August 2022 (2 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 cores40966912
Core clock speedno data1275 MHz
Boost clock speed1635 MHz1410 MHz
Number of transistors21,000 million54,200 million
Manufacturing process technology7 nm7 nm
Power consumption (TDP)300 Watt400 Watt
Texture fill rate418.6609.1
Floating-point processing power13.39 TFLOPS19.49 TFLOPS
ROPs96160
TMUs256432
Tensor Coresno data432

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
Width2-slotIGP
Supplementary power connectors2x 8-pinNone

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 amount12 GB80 GB
Memory bus width384 Bit5120 Bit
Memory clock speed14000 MHz1593 MHz
Memory bandwidth672.0 GB/s2,039 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 Connectors1x HDMI, 3x DisplayPortNo outputs
HDMI+-

API compatibility

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

DirectX12 Ultimate (12_1)N/A
Shader Modelno dataN/A
OpenGL4.6N/A
OpenCLno data3.0
Vulkan-N/A
CUDA-8.0

Pros & cons summary


Maximum RAM amount 12 GB 80 GB
Power consumption (TDP) 300 Watt 400 Watt

RX 5900 has 33.3% lower power consumption.

A800 SXM4 80 GB, on the other hand, has a 566.7% higher maximum VRAM amount.

We couldn't decide between Radeon RX 5900 and A800 SXM4 80 GB. We've got no test results to judge.

Be aware that Radeon RX 5900 is a desktop card while A800 SXM4 80 GB 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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AMD Radeon RX 5900
Radeon RX 5900
NVIDIA A800 SXM4 80 GB
A800 SXM4 80 GB

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Community ratings

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Questions & comments

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