GeForce GTX 645 OEM vs ATI Radeon Xpress 1150

Primary details

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

Place in the ranking1464not rated
Place by popularitynot in top-100not in top-100
ArchitectureRage 9 (2003−2006)Kepler (2012−2018)
GPU code nameRS485GK106
Market segmentLaptopDesktop
Release date23 May 2006 (18 years ago)22 April 2013 (11 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 cores6576
Core clock speed400 MHz824 MHz
Boost clock speed400 MHzno data
Number of transistorsno data2,540 million
Manufacturing process technology110 nm28 nm
Power consumption (TDP)no data65 Watt
Texture fill rate0.839.55
Floating-point processing powerno data0.9492 TFLOPS
ROPs216
TMUs248

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 x16PCIe 3.0 x16
Lengthno data147 mm
Widthno data1-slot
Supplementary power connectorsNoneNone

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 typeSystem SharedGDDR5
Maximum RAM amountSystem Shared1 GB
Memory bus widthSystem Shared128 Bit
Memory clock speedSystem Shared1000 MHz
Memory bandwidthno data64 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 ConnectorsNo outputs1x DVI, 1x HDMI, 1x DisplayPort
HDMI-+

API compatibility

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

DirectX9.012 (11_0)
Shader Modelno data5.1
OpenGL2.04.6
OpenCLN/A1.2
VulkanN/A1.1.126
CUDA-3.0

Pros & cons summary


Recency 23 May 2006 22 April 2013
Chip lithography 110 nm 28 nm

GTX 645 OEM has an age advantage of 6 years, and a 292.9% more advanced lithography process.

We couldn't decide between Radeon Xpress 1150 and GeForce GTX 645 OEM. We've got no test results to judge.

Be aware that Radeon Xpress 1150 is a notebook card while GeForce GTX 645 OEM is a desktop 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 Xpress 1150
Radeon Xpress 1150
NVIDIA GeForce GTX 645 OEM
GeForce GTX 645 OEM

Comparisons with similar GPUs

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Community ratings

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2.5 60 votes

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3.8 75 votes

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Questions & comments

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