CMP 30HX vs Radeon RX 455 OEM

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Primary details

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

Place in the rankingnot rated257
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluationno data21.33
Power efficiencyno data11.76
ArchitectureGCN 2.0 (2013−2017)Turing (2018−2022)
GPU code nameTobagoTU116
Market segmentDesktopWorkstation
Release date30 June 2016 (8 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 cores7681408
Core clock speed1050 MHz1530 MHz
Boost clock speedno data1785 MHz
Number of transistors2,080 million6,600 million
Manufacturing process technology28 nm12 nm
Power consumption (TDP)100 Watt125 Watt
Texture fill rate50.40157.1
Floating-point processing power1.613 TFLOPS5.027 TFLOPS
ROPs1648
TMUs4888

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
Length165 mm229 mm
Width1-slot2-slot
Supplementary power connectors1x 6-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 amount2 GB6 GB
Memory bus width128 Bit192 Bit
Memory clock speed1625 MHz1750 MHz
Memory bandwidth104.0 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 Connectors1x DVI, 1x HDMI, 1x DisplayPortNo outputs
HDMI+-

API compatibility

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

DirectX12 (12_0)12 (12_1)
Shader Model6.36.6
OpenGL4.64.6
OpenCL2.03.0
Vulkan1.2.1311.2
CUDA-7.5

Pros & cons summary


Recency 30 June 2016 25 February 2021
Maximum RAM amount 2 GB 6 GB
Chip lithography 28 nm 12 nm
Power consumption (TDP) 100 Watt 125 Watt

RX 455 OEM has 25% lower power consumption.

CMP 30HX, on the other hand, has an age advantage of 4 years, a 200% higher maximum VRAM amount, and a 133.3% more advanced lithography process.

We couldn't decide between Radeon RX 455 OEM and CMP 30HX. We've got no test results to judge.

Be aware that Radeon RX 455 OEM 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 RX 455 OEM
Radeon RX 455 OEM
NVIDIA CMP 30HX
CMP 30HX

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Community ratings

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3 2 votes

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3.8 30 votes

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Questions & comments

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