Radeon RX 7900 XTX vs GeForce 8800 GTS 640

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Primary details

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

Place in the rankingnot rated8
Place by popularitynot in top-10069
Cost-effectiveness evaluationno data34.70
Power efficiencyno data15.56
ArchitectureTesla (2006−2010)RDNA 3.0 (2022−2024)
GPU code nameG80Navi 31
Market segmentDesktopDesktop
Release date8 November 2006 (18 years ago)3 November 2022 (2 years ago)
Launch price (MSRP)$449 $999

Cost-effectiveness evaluation

Performance to price ratio. The higher, the better.

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 cores966144
Core clock speed513 MHz1929 MHz
Boost clock speedno data2498 MHz
Number of transistors681 million57,700 million
Manufacturing process technology90 nm5 nm
Power consumption (TDP)143 Watt355 Watt
Texture fill rate24.62959.2
Floating-point processing power0.2281 TFLOPS61.39 TFLOPS
ROPs20192
TMUs24384
Ray Tracing Coresno data96

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 4.0 x16
Length267 mm287 mm
Width2-slot2-slot
Supplementary power connectors1x 6-pin2x 8-pin

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 typeGDDR3GDDR6
Maximum RAM amount640 MB24 GB
Memory bus width320 Bit384 Bit
Memory clock speed792 MHz2500 MHz
Memory bandwidth63.36 GB/s960.0 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 Connectors2x DVI, 1x S-Video1x HDMI 2.1a, 2x DisplayPort 2.1, 1x USB Type-C
HDMI-+

API compatibility

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

DirectX11.1 (10_0)12 Ultimate (12_2)
Shader Model4.06.7
OpenGL3.34.6
OpenCL1.12.2
VulkanN/A1.3
CUDA+-

Pros & cons summary


Recency 8 November 2006 3 November 2022
Maximum RAM amount 640 MB 24 GB
Chip lithography 90 nm 5 nm
Power consumption (TDP) 143 Watt 355 Watt

8800 GTS 640 has 148.3% lower power consumption.

RX 7900 XTX, on the other hand, has an age advantage of 15 years, a 3740% higher maximum VRAM amount, and a 1700% more advanced lithography process.

We couldn't decide between GeForce 8800 GTS 640 and Radeon RX 7900 XTX. 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 GTS 640
GeForce 8800 GTS 640
AMD Radeon RX 7900 XTX
Radeon RX 7900 XTX

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Community ratings

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3.6 45 votes

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