CMP 40HX vs ATI Radeon HD 3830

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Primary details

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

Place in the rankingnot rated304
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluationno data19.14
Power efficiencyno data6.60
ArchitectureTeraScale (2005−2013)Turing (2018−2022)
GPU code nameRV670TU106
Market segmentDesktopWorkstation
Release date1 April 2008 (16 years ago)25 February 2021 (3 years ago)
Launch price (MSRP)no data$699

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 cores3202304
Core clock speed668 MHz1470 MHz
Boost clock speedno data1650 MHz
Number of transistors666 million10,800 million
Manufacturing process technology55 nm12 nm
Power consumption (TDP)75 Watt185 Watt
Texture fill rate10.69237.6
Floating-point processing power0.4275 TFLOPS7.603 TFLOPS
ROPs1664
TMUs16144
Tensor Coresno data288
Ray Tracing Coresno data36

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 2.0 x16PCIe 3.0 x16
Lengthno data229 mm
Width2-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 typeGDDR3GDDR6
Maximum RAM amount256 MB8 GB
Memory bus width128 Bit256 Bit
Memory clock speed828 MHz1750 MHz
Memory bandwidth26.5 GB/s448.0 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 ConnectorsNo outputsNo outputs

API compatibility

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

DirectX10.1 (10_1)12 Ultimate (12_2)
Shader Model4.16.6
OpenGL3.34.6
OpenCLN/A3.0
VulkanN/A1.2
CUDA-7.5

Pros & cons summary


Recency 1 April 2008 25 February 2021
Maximum RAM amount 256 MB 8 GB
Chip lithography 55 nm 12 nm
Power consumption (TDP) 75 Watt 185 Watt

ATI HD 3830 has 146.7% lower power consumption.

CMP 40HX, on the other hand, has an age advantage of 12 years, a 3100% higher maximum VRAM amount, and a 358.3% more advanced lithography process.

We couldn't decide between Radeon HD 3830 and CMP 40HX. We've got no test results to judge.

Be aware that Radeon HD 3830 is a desktop card while CMP 40HX 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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ATI Radeon HD 3830
Radeon HD 3830
NVIDIA CMP 40HX
CMP 40HX

Comparisons with similar GPUs

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Community ratings

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3.5 2 votes

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4.2 32 votes

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Questions & comments

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