Radeon RX 6450M vs ATI HD 4650

Primary details

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

Place in the ranking1196not rated
Place by popularitynot in top-100not in top-100
Power efficiency0.90no data
ArchitectureTeraScale (2005−2013)RDNA 2.0 (2020−2024)
GPU code nameRV730Navi 24
Market segmentDesktopLaptop
Release date10 September 2008 (16 years ago)4 January 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 cores320768
Core clock speed600 MHz2000 MHz
Boost clock speedno data2460 MHz
Number of transistors514 million5,400 million
Manufacturing process technology55 nm6 nm
Power consumption (TDP)48 Watt50 Watt
Texture fill rate19.20118.1
Floating-point processing power0.384 TFLOPS3.779 TFLOPS
ROPs832
TMUs3248
Ray Tracing Coresno data12

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 x4
Length193 mmno data
Width1-slotno data
Supplementary power connectorsno dataNone

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 MB4 GB
Memory bus width128 Bit64 Bit
Memory clock speed700 MHz2000 MHz
Memory bandwidth22.4 GB/s128.0 GB/s
Shared memory--

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 S-VideoPortable Device Dependent

API compatibility

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

DirectX10.1 (10_1)12 Ultimate (12_2)
Shader Model4.16.7
OpenGL3.34.6
OpenCL1.12.2
VulkanN/A1.3

Pros & cons summary


Recency 10 September 2008 4 January 2023
Maximum RAM amount 256 MB 4 GB
Chip lithography 55 nm 6 nm
Power consumption (TDP) 48 Watt 50 Watt

ATI HD 4650 has 4.2% lower power consumption.

RX 6450M, on the other hand, has an age advantage of 14 years, a 1500% higher maximum VRAM amount, and a 816.7% more advanced lithography process.

We couldn't decide between Radeon HD 4650 and Radeon RX 6450M. We've got no test results to judge.

Be aware that Radeon HD 4650 is a desktop card while Radeon RX 6450M 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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ATI Radeon HD 4650
Radeon HD 4650
AMD Radeon RX 6450M
Radeon RX 6450M

Comparisons with similar GPUs

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Community ratings

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Questions & comments

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