Radeon RX 6600 XT vs A100 PCIe

VS

Primary details

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

Place in the rankingnot rated91
Place by popularitynot in top-10093
Cost-effectiveness evaluationno data63.00
Power efficiencyno data18.36
ArchitectureAmpere (2020−2024)RDNA 2.0 (2020−2024)
GPU code nameGA100Navi 23
Market segmentWorkstationDesktop
Release date22 June 2020 (4 years ago)30 July 2021 (3 years ago)
Launch price (MSRP)no data$379

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 cores69122048
Core clock speed1410 MHz1968 MHz
Boost clock speedno data2589 MHz
Number of transistors54,200 million11,060 million
Manufacturing process technology7 nm7 nm
Power consumption (TDP)250 Watt160 Watt
Texture fill rate609.1331.4
Floating-point processing power19.49 TFLOPS10.6 TFLOPS
ROPs16064
TMUs432128
Tensor Cores432no data
Ray Tracing Coresno data32

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 x8
Length267 mm190 mm
Width2-slot2-slot
Supplementary power connectors1x 8-pin1x 8-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 typeHBM2eGDDR6
Maximum RAM amount40 GB8 GB
Memory bus width5120 Bit128 Bit
Memory clock speed1215 MHz2000 MHz
Memory bandwidth1,555 GB/s256.0 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 outputs1x HDMI, 2x DisplayPort
HDMI-+

API compatibility

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

DirectX12 Ultimate (12_2)12.0 Ultimate (12_2)
Shader Model6.56.5
OpenGL4.64.6
OpenCL2.02.1
Vulkan1.21.2
CUDA8.0-

Pros & cons summary


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

A100 PCIe has a 400% higher maximum VRAM amount.

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

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

Be aware that A100 PCIe is a workstation graphics card while Radeon RX 6600 XT is a desktop one.


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

Vote for your favorite

Do you think we are right or mistaken in our choice? Vote by clicking "Like" button near your favorite graphics card.


NVIDIA A100 PCIe
A100 PCIe
AMD Radeon RX 6600 XT
Radeon RX 6600 XT

Comparisons with similar GPUs

We selected several comparisons of graphics cards with performance close to those reviewed, providing you with more options to consider.

Community ratings

Here you can see the user ratings of the compared graphics cards, as well as rate them yourself.


3.5 32 votes

Rate A100 PCIe on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5
4.3 4341 vote

Rate Radeon RX 6600 XT on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5

Questions & comments

Here you can ask a question about this comparison, agree or disagree with our judgements, or report an error or mismatch.