ATI Radeon HD 5450 PCI vs GeForce 6800 GT

Primary details

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

Place in the ranking1271not rated
Place by popularitynot in top-100not in top-100
Power efficiency0.39no data
ArchitectureCurie (2003−2013)TeraScale 2 (2009−2015)
GPU code nameNV45Cedar
Market segmentDesktopDesktop
Release date8 June 2004 (20 years ago)4 February 2010 (14 years 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 coresno data80
Core clock speed350 MHz650 MHz
Number of transistors222 million292 million
Manufacturing process technology130 nm40 nm
Power consumption (TDP)67 Watt19 Watt
Texture fill rate5.6005.200
Floating-point processing powerno data0.104 TFLOPS
ROPs164
TMUs168

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 1.0 x16PCI
Lengthno data145 mm
Width1-slot1-slot
Supplementary power connectors1x 6-pinNone

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 typeGDDR3DDR2
Maximum RAM amount256 MB512 MB
Memory bus width256 Bit64 Bit
Memory clock speed500 MHz333 MHz
Memory bandwidth32 GB/s5.328 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 Connectors2x DVI, 1x S-Video1x DVI, 1x HDMI
HDMI-+

API compatibility

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

DirectX9.0c (9_3)11.2 (11_0)
Shader Model3.05.0
OpenGL2.14.4
OpenCLN/A1.2
VulkanN/AN/A

Pros & cons summary


Recency 8 June 2004 4 February 2010
Maximum RAM amount 256 MB 512 MB
Chip lithography 130 nm 40 nm
Power consumption (TDP) 67 Watt 19 Watt

ATI HD 5450 PCI has an age advantage of 5 years, a 100% higher maximum VRAM amount, a 225% more advanced lithography process, and 252.6% lower power consumption.

We couldn't decide between GeForce 6800 GT and Radeon HD 5450 PCI. We've got no test results to judge.


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

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NVIDIA GeForce 6800 GT
GeForce 6800 GT
ATI Radeon HD 5450 PCI
Radeon HD 5450 PCI

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Community ratings

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2.6 106 votes

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3.1 53 votes

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