A100 PCIe 40 GB vs Radeon RX 6600 XT

Primary details

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

Place in the ranking90not rated
Place by popularity87not in top-100
Cost-effectiveness evaluation63.39no data
Power efficiency18.65no data
ArchitectureRDNA 2.0 (2020−2024)Ampere (2020−2024)
GPU code nameNavi 23GA100
Market segmentDesktopWorkstation
Release date30 July 2021 (3 years ago)22 June 2020 (4 years ago)
Launch price (MSRP)$379 no data

Cost-effectiveness evaluation

Performance to price ratio. The higher, the better.

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 cores20486912
Core clock speed1968 MHz765 MHz
Boost clock speed2589 MHz1410 MHz
Number of transistors11,060 million54,200 million
Manufacturing process technology7 nm7 nm
Power consumption (TDP)160 Watt250 Watt
Texture fill rate331.4609.1
Floating-point processing power10.6 TFLOPS19.49 TFLOPS
ROPs64160
TMUs128432
Tensor Coresno data432
Ray Tracing Cores32no 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 x8PCIe 4.0 x16
Length190 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 amount8 GB40 GB
Memory bus width128 Bit5120 Bit
Memory clock speed2000 MHz1215 MHz
Memory bandwidth256.0 GB/s1,555 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 Connectors1x HDMI, 2x DisplayPortNo outputs
HDMI+-

API compatibility

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

DirectX12.0 Ultimate (12_2)N/A
Shader Model6.5N/A
OpenGL4.6N/A
OpenCL2.13.0
Vulkan1.2N/A
CUDA-8.0

Pros & cons summary


Recency 30 July 2021 22 June 2020
Maximum RAM amount 8 GB 40 GB
Power consumption (TDP) 160 Watt 250 Watt

RX 6600 XT has an age advantage of 1 year, and 56.3% lower power consumption.

A100 PCIe 40 GB, on the other hand, has a 400% higher maximum VRAM amount.

We couldn't decide between Radeon RX 6600 XT and A100 PCIe 40 GB. We've got no test results to judge.

Be aware that Radeon RX 6600 XT is a desktop card while A100 PCIe 40 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 6600 XT
Radeon RX 6600 XT
NVIDIA A100 PCIe 40 GB
A100 PCIe 40 GB

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Community ratings

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4.3 4235 votes

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3.4 8 votes

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Questions & comments

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