Radeon R5 A255 vs GeForce 8800 GS

Primary details

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

Place in the ranking1129not rated
Place by popularitynot in top-100not in top-100
Power efficiency0.57no data
ArchitectureTesla (2006−2010)GCN 3.0 (2014−2019)
GPU code nameG92Topaz
Market segmentDesktopDesktop
Release date31 January 2008 (16 years ago)2014 (10 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 cores96384
Core clock speed550 MHz925 MHz
Boost clock speedno data940 MHz
Number of transistors754 million1,550 million
Manufacturing process technology65 nm28 nm
Power consumption (TDP)105 Wattno data
Texture fill rate26.4022.56
Floating-point processing power0.264 TFLOPSno data
ROPs128
TMUs4824

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 x8
Length229 mmno data
Width1-slotno data
Supplementary power connectors1x 6-pinno data

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 amount384 MB1 GB
Memory bus width192 Bit128 Bit
Memory clock speed800 MHz4 GB/s
Memory bandwidth38.4 GB/s64 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-VideoPortable Device Dependent

API compatibility

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

DirectX11.1 (10_0)12 (12_0)
Shader Model4.06.5
OpenGL3.34.6
OpenCL1.12.1
VulkanN/A1.2.170
CUDA1.1-

Pros & cons summary


Maximum RAM amount 384 MB 1 GB
Chip lithography 65 nm 28 nm

R5 A255 has a 166.7% higher maximum VRAM amount, and a 132.1% more advanced lithography process.

We couldn't decide between GeForce 8800 GS and Radeon R5 A255. 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 8800 GS
GeForce 8800 GS
AMD Radeon R5 A255
Radeon R5 A255

Comparisons with similar GPUs

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Community ratings

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