ATI Radeon HD 5450 PCI vs GeForce GT 645 OEM

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Primary details

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

Place in the rankingnot ratednot rated
Place by popularitynot in top-100not in top-100
ArchitectureFermi 2.0 (2010−2014)TeraScale 2 (2009−2015)
GPU code nameGF114Cedar
Market segmentDesktopDesktop
Release date24 April 2012 (13 years ago)4 February 2010 (15 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 cores28880
Core clock speed776 MHz650 MHz
Number of transistors1,950 million292 million
Manufacturing process technology40 nm40 nm
Power consumption (TDP)102 Watt19 Watt
Texture fill rate37.255.200
Floating-point processing power0.894 TFLOPS0.104 TFLOPS
ROPs244
TMUs488

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 x16PCI
Length210 mm145 mm
Width2-slot1-slot
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 typeGDDR5DDR2
Maximum RAM amount1 GB512 MB
Memory bus width192 Bit64 Bit
Memory clock speed957 MHz333 MHz
Memory bandwidth91.87 GB/s5.328 GB/s

Connectivity and outputs

This section shows the types and number of video connectors on each GPU. The data applies specifically to desktop reference models (for example, NVIDIA’s Founders Edition). OEM partners often modify both the number and types of ports. On notebook GPUs, video‐output options are determined by the laptop’s design rather than the graphics chip itself.

Display Connectors2x DVI, 1x mini-HDMI1x DVI, 1x HDMI
HDMI++

API and SDK compatibility

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

DirectX12 (11_0)11.2 (11_0)
Shader Model5.15.0
OpenGL4.64.4
OpenCL1.11.2
VulkanN/AN/A
CUDA2.1-

Pros & cons summary


Recency 24 April 2012 4 February 2010
Maximum RAM amount 1 GB 512 MB
Power consumption (TDP) 102 Watt 19 Watt

GT 645 OEM has an age advantage of 2 years, and a 100% higher maximum VRAM amount.

ATI HD 5450 PCI, on the other hand, has 436.8% lower power consumption.

We couldn't decide between GeForce GT 645 OEM and Radeon HD 5450 PCI. We've got no test results to judge.

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NVIDIA GeForce GT 645 OEM
GeForce GT 645 OEM
ATI Radeon HD 5450 PCI
Radeon HD 5450 PCI

Other comparisons

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

Community ratings

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3.1 54 votes

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