RTX 4000 Ada Generation vs Radeon HD 6450 OEM

Primary details

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

Place in the rankingnot rated29
Place by popularitynot in top-100not in top-100
Power efficiencyno data34.55
ArchitectureTeraScale 2 (2009−2015)Ada Lovelace (2022−2024)
GPU code nameCaicosAD104
Market segmentDesktopWorkstation
Release date7 February 2011 (13 years ago)9 August 2023 (1 year ago)

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 cores1606144
Core clock speed625 MHz1500 MHz
Boost clock speedno data2175 MHz
Number of transistors370 million35,800 million
Manufacturing process technology40 nm5 nm
Power consumption (TDP)18 Watt130 Watt
Texture fill rate5.000417.6
Floating-point processing power0.2 TFLOPS26.73 TFLOPS
ROPs480
TMUs8192
Tensor Coresno data192
Ray Tracing Coresno data48

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 4.0 x16
Length168 mm245 mm
Width1-slot1-slot
Supplementary power connectorsNone1x 16-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 amount512 MB20 GB
Memory bus width64 Bit160 Bit
Memory clock speed533 MHz2250 MHz
Memory bandwidth8.528 GB/s360.0 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 VGA4x mini-DisplayPort 1.4a
HDMI+-

API compatibility

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

DirectX11.2 (11_0)12 Ultimate (12_2)
Shader Model5.06.8
OpenGL4.44.6
OpenCL1.23.0
VulkanN/A1.3
CUDA-8.9

Pros & cons summary


Recency 7 February 2011 9 August 2023
Maximum RAM amount 512 MB 20 GB
Chip lithography 40 nm 5 nm
Power consumption (TDP) 18 Watt 130 Watt

HD 6450 OEM has 622.2% lower power consumption.

RTX 4000 Ada Generation, on the other hand, has an age advantage of 12 years, a 3900% higher maximum VRAM amount, and a 700% more advanced lithography process.

We couldn't decide between Radeon HD 6450 OEM and RTX 4000 Ada Generation. We've got no test results to judge.

Be aware that Radeon HD 6450 OEM is a desktop card while RTX 4000 Ada Generation is a workstation one.


Should you still have questions concerning choice between the reviewed GPUs, ask them in Comments section, and we shall answer.

Vote for your favorite

Do you think we are right or mistaken in our choice? Vote by clicking "Like" button near your favorite graphics card.


AMD Radeon HD 6450 OEM
Radeon HD 6450 OEM
NVIDIA RTX 4000 Ada Generation
RTX 4000 Ada Generation

Comparisons with similar GPUs

We selected several comparisons of graphics cards with performance close to those reviewed, providing you with more options to consider.

Community ratings

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


2.8 6 votes

Rate Radeon HD 6450 OEM on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5
4 36 votes

Rate RTX 4000 Ada Generation on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5

Questions & comments

Here you can ask a question about this comparison, agree or disagree with our judgements, or report an error or mismatch.