RTX A4000 Max-Q vs Radeon HD 6450

Primary details

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

Place in the ranking1236not rated
Place by popularitynot in top-100not in top-100
ArchitectureTeraScale 2 (2009−2015)Ampere (2020−2024)
GPU code nameCaicosGA104
Market segmentDesktopLaptop
Designreferenceno data
Release date7 April 2011 (13 years ago)12 April 2021 (3 years ago)
Launch price (MSRP)$55 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 cores1605120
Core clock speedno data780 MHz
Boost clock speed750 MHz1395 MHz
Number of transistors370 million17,400 million
Manufacturing process technology40 nm8 nm
Power consumption (TDP)30 Watt80 Watt
Texture fill rate5.000223.2
Floating-point processing power0.2 TFLOPS14.28 TFLOPS
ROPs480
TMUs8160
Tensor Coresno data160
Ray Tracing Coresno data40

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).

Bus supportPCIe 2.0 x8no data
InterfacePCIe 2.0 x16PCIe 4.0 x16
Length168 mmno data
Width1-slotno data
Supplementary power connectorsNoneNone

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 amount1 GB8 GB
Memory bus width64 Bit256 Bit
Memory clock speed800 MHz1375 MHz
Memory bandwidth25.6 GB/s352.0 GB/s
Memory bandwidth8.5-12.8 GB/x (DDR3) or 25.6-28.8 GB/s (GDDR5)no data

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 VGAPortable Device Dependent
Eyefinity+-
Number of Eyefinity displays4no data
HDMI+-
DisplayPort support+-

Supported technologies

Supported technological solutions. This information will prove useful if you need some particular technology for your purposes.

CrossFire+-

API compatibility

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

DirectXDirectX® 1112 Ultimate (12_2)
Shader Model5.06.7
OpenGL4.44.6
OpenCL1.23.0
Vulkan-1.3
CUDA-8.6

Pros & cons summary


Recency 7 April 2011 12 April 2021
Maximum RAM amount 1 GB 8 GB
Chip lithography 40 nm 8 nm
Power consumption (TDP) 30 Watt 80 Watt

HD 6450 has 166.7% lower power consumption.

RTX A4000 Max-Q, on the other hand, has an age advantage of 10 years, a 700% higher maximum VRAM amount, and a 400% more advanced lithography process.

We couldn't decide between Radeon HD 6450 and RTX A4000 Max-Q. We've got no test results to judge.

Be aware that Radeon HD 6450 is a desktop card while RTX A4000 Max-Q is a notebook 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 HD 6450
Radeon HD 6450
NVIDIA RTX A4000 Max-Q
RTX A4000 Max-Q

Comparisons with similar GPUs

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Community ratings

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Questions & comments

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