NVIDIA GeForce 7800 GTX 512 vs AMD Radeon RX 455 OEM

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General info

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

Place in performance rankingnot ratednot rated
Place by popularitynot in top-100not in top-100
ArchitectureGCN 2.0 (2013−2017)Curie (2003−2013)
GPU code nameTobagoG70
Market segmentDesktopDesktop
Release date30 June 2016 (7 years old)14 November 2005 (18 years old)
Launch price (MSRP)no data$649
Current priceno data$250 (0.4x MSRP)

Technical specs

General performance parameters such as number of shaders, GPU core base clock and boost clock speeds, manufacturing process, texturing and calculation speed. These parameters indirectly speak of performance, but for precise assessment you have to consider their benchmark and gaming test results. Note that power consumption of some graphics cards can well exceed their nominal TDP, especially when overclocked.

Pipelines / CUDA cores768no data
Core clock speed1050 MHz550 MHz
Number of transistors2,080 million302 million
Manufacturing process technology28 nm110 nm
Power consumption (TDP)100 Watt108 Watt
Texture fill rate50.4013.20
Floating-point performance1,613 gflopsno data

Size and 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 3.0 x16PCIe 1.0 x16
Length165 mm228 mm
Width1-slot2-slot
Supplementary power connectors1x 6-pinno data

Memory

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 typeGDDR5GDDR3
Maximum RAM amount2 GB512 MB
Memory bus width128 Bit256 Bit
Memory clock speed6500 MHz1700 MHz
Memory bandwidth104.0 GB/s54.4 GB/s

Video outputs and ports

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 Connectors1x DVI, 1x HDMI, 1x DisplayPort2x DVI, 1x S-Video
HDMI+no data

API support

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

DirectX12 (12_0)9.0c (9_3)
Shader Model6.33.0
OpenGL4.62.1
OpenCL2.0N/A
Vulkan1.2.131N/A

Advantages and disadvantages


Recency 30 June 2016 14 November 2005
Maximum RAM amount 2 GB 512 MB
Chip lithography 28 nm 110 nm
Power consumption (TDP) 100 Watt 108 Watt

We couldn't decide between Radeon RX 455 OEM and GeForce 7800 GTX 512. 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.

User ratings

Do you think we are right or mistaken in our choice? Vote by clicking "Like" button near your favorite graphics card.


AMD Radeon RX 455 OEM
Radeon RX 455 OEM
NVIDIA GeForce 7800 GTX 512
GeForce 7800 GTX 512

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Questions and comments

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