Radeon HD 6450: specs and benchmarks

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Aggregate performance score

Radeon HD 6450 provides poor gaming and benchmark performance at 0.51% of a leader's which is GeForce RTX 4090.

Summary

AMD started Radeon HD 6450 sales 7 April 2011 at a recommended price of $55 . This is a TeraScale 2 architecture desktop card based on 40 nm manufacturing process and primarily aimed at office use. 1 GB of GDDR5 memory clocked at 800 GHz are supplied, and together with 64 Bit memory interface this creates a bandwidth of 25.6 GB/s.

Compatibility-wise, this is a single-slot graphics card attached via PCIe 2.0 x16 interface. Its manufacturer default version has a length of 168 mm. No additional power connector is required, and power consumption is at 30 Watt.

Primary details

Some basic facts about Radeon HD 6450: architecture, market segment, release date etc.

Place in the ranking1240
Place by popularitynot in top-100
Power efficiency2.06of 100.00 (Radeon 890M)
ArchitectureTeraScale 2 (2009−2015)
GPU code nameCaicos
Market segmentDesktop
Designreference
Release date7 April 2011 (13 years ago)
Launch price (MSRP)$55 of 14,999 (Quadro Plex 7000)

Cost-effectiveness evaluation

Performance to price ratio. The higher, the better.

Detailed specifications

Radeon HD 6450's specs such as number of shaders, GPU base clock, manufacturing process, texturing and calculation speed. These parameters indirectly speak of Radeon HD 6450's performance, but for precise assessment you have to consider its benchmark and gaming test results.

Pipelines / CUDA cores160of 21760 (GeForce RTX 5090)
Boost clock speed750 MHzof 3599 MHz (Radeon RX 7990 XTX)
Number of transistors370 millionof 208,000 million (B200 SXM 192 GB)
Manufacturing process technology40 nmof 3 nm (Arc Graphics 140V)
Power consumption (TDP)30 Wattof 2400 Watt (Data Center GPU Max Subsystem)
Texture fill rate5.000of 2,554 (Radeon Instinct MI300X)
Floating-point processing power0.2 TFLOPSof 109.7 (GeForce RTX 5090)
ROPs4of 192 (GA100)
TMUs8of 1280 (Data Center GPU Max NEXT)

Form factor & compatibility

This section provides details about the physical dimensions of Radeon HD 6450 and its compatibility with other computer components. This information is useful when selecting a computer configuration or upgrading an existing one. For desktop graphics cards, it includes details about the interface and bus (for motherboard compatibility) and additional power connectors (for power supply compatibility).

Bus supportPCIe 2.0 x8
InterfacePCIe 2.0 x16
Length168 mm
Width1-slot
Supplementary power connectorsNone

VRAM capacity and type

Parameters of memory installed on Radeon HD 6450: its type, size, bus, clock and resulting bandwidth. Note that GPUs integrated into processors have no dedicated memory and use a shared part of system RAM instead.

Memory typeGDDR5
Maximum RAM amount1 GBof 294912 (Radeon Instinct MI325X)
Memory bus width64 Bitof 8192 Bit (Radeon Instinct MI250X)
Memory clock speed800 MHzof 20000 (RTX 5000 Ada Generation Mobile)
Memory bandwidth25.6 GB/sof 5,171 GB/s (Radeon Instinct MI300X)
Memory bandwidth8.5-12.8 GB/x (DDR3) or 25.6-28.8 GB/s (GDDR5)

Connectivity and outputs

Types and number of video connectors present on Radeon HD 6450. As a rule, this section is relevant only for desktop reference graphics cards, since for notebook ones the availability of certain video outputs depends on the laptop model, while non-reference desktop models can (though not necessarily will) bear a different set of video ports.

Display Connectors1x DVI, 1x HDMI, 1x VGA
Eyefinity+
Number of Eyefinity displays4
HDMI+
DisplayPort support+

Supported technologies

Technological solutions and APIs supported by Radeon HD 6450. You'll probably need this information if you need some particular technology for your purposes.

CrossFire+

API compatibility

APIs supported by Radeon HD 6450, sometimes including their particular versions.

DirectXDirectX® 11
Shader Model5.0
OpenGL4.4of 4.6 (GeForce GTX 1080 Mobile)
OpenCL1.2

Benchmark performance

Synthetic benchmark performance of Radeon HD 6450. The combined score is measured on a 0-100 point scale.


Combined synthetic benchmark score

This is our combined benchmark score. We are regularly improving our combining algorithms, but if you find some perceived inconsistencies, feel free to speak up in comments section, we usually fix problems quickly.

HD 6450 0.51

Passmark

This is the most ubiquitous GPU benchmark. It gives the graphics card a thorough evaluation under various types of load, providing four separate benchmarks for Direct3D versions 9, 10, 11 and 12 (the last being done in 4K resolution if possible), and few more tests engaging DirectCompute capabilities.

HD 6450 197

3DMark Fire Strike Graphics

Fire Strike is a DirectX 11 benchmark for gaming PCs. It features two separate tests displaying a fight between a humanoid and a fiery creature made of lava. Using 1920x1080 resolution, Fire Strike shows off some realistic graphics and is quite taxing on hardware.

HD 6450 340

Gaming performance

Let's see how good Radeon HD 6450 is for gaming. Particular gaming benchmark results are measured in frames per second. Comparisons with game system requirements are included, but remember that sometimes official requirements may reflect reality inaccurately.

Closest competitors

Radeon HD 6450's performance relative to its closest rivals among desktop graphics cards.


Radeon HD 6450 100

NVIDIA equivalent

According to our data, the closest NVIDIA alternative to Radeon HD 6450 is GeForce 7950 GX2, which is faster by 2% and higher by 3 positions in our ranking.

Here are some closest NVIDIA rivals to Radeon HD 6450:

Radeon HD 6450 100

Similar GPUs

Here is our recommendation of several graphics cards that are more or less close in performance to the one reviewed.

Recommended processors

These processors are most commonly used with Radeon HD 6450 according to our statistics.

All comparisons with Radeon HD 6450

Community ratings

Here you can see the user rating of the graphics card, as well as rate it yourself.


3 508 votes

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Questions & comments

Here you can ask a question about Radeon HD 6450, agree or disagree with our judgements, or report an error or mismatch.