Radeon 550X 640SP vs GeForce 9500 GT

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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
ArchitectureTesla (2006−2010)GCN 4.0 (2016−2020)
GPU code nameG96Lexa
Market segmentDesktopDesktop
Release date29 July 2008 (16 years ago)11 April 2018 (6 years ago)
Launch price (MSRP)$85.99 no data

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 cores32640
Core clock speed550 MHz1019 MHz
Boost clock speedno data1071 MHz
Number of transistors314 million2,200 million
Manufacturing process technology65 nm14 nm
Power consumption (TDP)50 Watt50 Watt
Maximum GPU temperature105 °Cno data
Texture fill rate9.60042.84
Floating-point processing power0.096 TFLOPS1.371 TFLOPS
ROPs816
TMUs1640

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 x16PCIe 3.0 x8
Length175 mmno data
Height4.376" (11.1 cm)no data
Width1-slotIGP
Supplementary power connectorsNoneNone
SLI options+-

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 typeGDDR3GDDR5
Maximum RAM amount1 GB4 GB
Memory bus width128 Bit64 Bit
Memory clock speed800 (GDDR3) and 500 (DDR2) MHz1500 MHz
Memory bandwidth25.6 (GDDR3) and 16.0 (DDR2)48 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 ConnectorsDual Link DVISingle Link DVI1x DVI, 1x HDMI, 1x DisplayPort
Multi monitor support+no data
HDMI++
Maximum VGA resolution2048x1536no data
Audio input for HDMIS/PDIFno data

API compatibility

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

DirectX11.1 (10_0)12 (12_0)
Shader Model4.06.4
OpenGL2.14.6
OpenCL1.12.0
VulkanN/A1.2.131
CUDA+-

Pros & cons summary


Recency 29 July 2008 11 April 2018
Maximum RAM amount 1 GB 4 GB
Chip lithography 65 nm 14 nm

550X 640SP has an age advantage of 9 years, a 300% higher maximum VRAM amount, and a 364.3% more advanced lithography process.

We couldn't decide between GeForce 9500 GT and Radeon 550X 640SP. 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 9500 GT
GeForce 9500 GT
AMD Radeon 550X 640SP
Radeon 550X 640SP

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