CMP 30HX vs Radeon R9 285X

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Primary details

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

Place in the rankingnot rated254
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluationno data21.52
Power efficiencyno data12.17
ArchitectureGCN 3.0 (2014−2019)Turing (2018−2022)
GPU code nameTongaTU116
Market segmentDesktopWorkstation
Release dateno data (2024 years ago)25 February 2021 (3 years ago)
Launch price (MSRP)no data$799

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 cores20481408
Core clock speed1002 MHz1530 MHz
Boost clock speedno data1785 MHz
Number of transistors5,000 million6,600 million
Manufacturing process technology28 nm12 nm
Power consumption (TDP)200 Watt125 Watt
Texture fill rate128.3157.1
Floating-point processing power4.104 TFLOPS5.027 TFLOPS
ROPs3248
TMUs12888

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 3.0 x16PCIe 3.0 x4
Length267 mm229 mm
Width2-slot2-slot
Supplementary power connectors1x 6-pin + 1x 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 typeGDDR5GDDR6
Maximum RAM amount3 GB6 GB
Memory bus width384 Bit192 Bit
Memory clock speed1375 MHz1750 MHz
Memory bandwidth264.0 GB/s336.0 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 Connectors2x DVI, 1x HDMI 1.4a, 1x DisplayPort 1.2No outputs
HDMI+-

API compatibility

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

DirectX12 (12_0)12 (12_1)
Shader Model6.56.6
OpenGL4.64.6
OpenCL2.13.0
Vulkan1.2.1701.2
CUDA-7.5

Pros & cons summary


Maximum RAM amount 3 GB 6 GB
Chip lithography 28 nm 12 nm
Power consumption (TDP) 200 Watt 125 Watt

CMP 30HX has a 100% higher maximum VRAM amount, a 133.3% more advanced lithography process, and 60% lower power consumption.

We couldn't decide between Radeon R9 285X and CMP 30HX. We've got no test results to judge.

Be aware that Radeon R9 285X is a desktop card while CMP 30HX 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 R9 285X
Radeon R9 285X
NVIDIA CMP 30HX
CMP 30HX

Comparisons with similar GPUs

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Community ratings

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


3.6 8 votes

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3.8 27 votes

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Questions & comments

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