AMD Radeon HD 6450 GDDR5 vs NVIDIA GeForce 7900 GTX

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Combined performance score

7900 GTX
1.00
+4.2%

GeForce 7900 GTX outperforms Radeon HD 6450 GDDR5 by 4% in our combined benchmark results.

General info

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

Place in performance ranking10641074
Place by popularitynot in top-100not in top-100
Value for money0.010.01
ArchitectureCurie (2003−2013)Terascale 2 (2009−2015)
GPU code nameG71Caicos
Market segmentDesktopDesktop
Release date9 March 2006 (18 years old)18 April 2011 (12 years old)
Current price$228 $129
Value for money

Performance to price ratio. The higher, the better.

7900 GTX and HD 6450 GDDR5 have a nearly equal value for money.

Technical specs

General performance parameters such as number of shaders, GPU core base clock and boost clock speeds, manufacturing process, texturing and calculation speed. These parameters indirectly speak of performance, but for precise assessment you have to consider their benchmark and gaming test results. Note that power consumption of some graphics cards can well exceed their nominal TDP, especially when overclocked.

Pipelines / CUDA coresno data160
Core clock speed650 MHz750 MHz
Number of transistors278 millionno data
Manufacturing process technology90 nm40 nm
Power consumption (TDP)84 Watt27 Watt
Texture fill rate15.60no data

Size and 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 1.0 x16no data
Width1-slotno data
Supplementary power connectors1x 6-pinno data

Memory

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 typeGDDR3GDDR5
Maximum RAM amount512 MB1 GB
Memory bus width256 Bit64 Bit
Memory clock speed1600 MHz900 MHz
Memory bandwidth51.2 GB/sno data
Shared memoryno data-

Video outputs and ports

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-Videono data

API support

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

DirectX9.0c (9_3)11
Shader Model3.0no data
OpenGL2.1no data
OpenCLN/Ano data
VulkanN/Ano data

Gaming performance

Let's see how good the compared graphics cards are for gaming. Particular gaming benchmark results are measured in FPS.

Average FPS across all PC games

Here are the average frames per second in a large set of popular games across different resolutions:

900p7−8
+0%
7
+0%
Full HD14−16
−7.1%
15
+7.1%
1200p5−6
+0%
5
+0%

Advantages and disadvantages


Performance score 1.00 0.96
Recency 9 March 2006 18 April 2011
Maximum RAM amount 512 MB 1 GB
Chip lithography 90 nm 40 nm
Power consumption (TDP) 84 Watt 27 Watt

We couldn't decide between GeForce 7900 GTX and Radeon HD 6450 GDDR5. The differences in performance seem too small.


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

User ratings

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


NVIDIA GeForce 7900 GTX
GeForce 7900 GTX
AMD Radeon HD 6450 GDDR5
Radeon HD 6450 GDDR5

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User ratings: view and submit

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2.9 21 vote

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3.4 24 votes

Rate AMD Radeon HD 6450 GDDR5 on a scale of 1 to 5:

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Questions and comments

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