CMP 90HX vs Radeon RX 6600 XT

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Primary details

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

Place in the ranking90not rated
Place by popularity93not in top-100
Cost-effectiveness evaluation63.09no data
Power efficiency18.37no data
ArchitectureRDNA 2.0 (2020−2024)Ampere (2020−2024)
GPU code nameNavi 23GA102
Market segmentDesktopWorkstation
Release date30 July 2021 (3 years ago)28 July 2021 (3 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 cores20486400
Core clock speed1968 MHz1500 MHz
Boost clock speed2589 MHz1710 MHz
Number of transistors11,060 million28,300 million
Manufacturing process technology7 nm8 nm
Power consumption (TDP)160 Watt320 Watt
Texture fill rate331.4342.0
Floating-point processing power10.6 TFLOPS21.89 TFLOPS
ROPs6480
TMUs128200
Tensor Coresno data200
Ray Tracing Cores3250

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 mm285 mm
Width2-slot2-slot
Supplementary power connectors1x 8-pin2x 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 typeGDDR6GDDR6X
Maximum RAM amount8 GB10 GB
Memory bus width128 Bit320 Bit
Memory clock speed2000 MHz1188 MHz
Memory bandwidth256.0 GB/s760.3 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)12 Ultimate (12_2)
Shader Model6.56.6
OpenGL4.64.6
OpenCL2.13.0
Vulkan1.21.2
CUDA-8.6

Pros & cons summary


Maximum RAM amount 8 GB 10 GB
Chip lithography 7 nm 8 nm
Power consumption (TDP) 160 Watt 320 Watt

RX 6600 XT has a 14.3% more advanced lithography process, and 100% lower power consumption.

CMP 90HX, on the other hand, has a 25% higher maximum VRAM amount.

We couldn't decide between Radeon RX 6600 XT and CMP 90HX. We've got no test results to judge.

Be aware that Radeon RX 6600 XT is a desktop card while CMP 90HX 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 CMP 90HX
CMP 90HX

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Community ratings

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4.3 4320 votes

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4.7 30 votes

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Questions & comments

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