Radeon Pro V620 vs GeForce 6800 XT

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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
ArchitectureCurie (2003−2013)RDNA 2.0 (2020−2024)
GPU code nameNV42Navi 21
Market segmentDesktopWorkstation
Release date30 September 2005 (19 years ago)4 November 2021 (3 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 coresno data4608
Core clock speed450 MHz1825 MHz
Boost clock speedno data2200 MHz
Number of transistors202 million26,800 million
Manufacturing process technology110 nm7 nm
Power consumption (TDP)no data300 Watt
Texture fill rate5.400633.6
Floating-point processing powerno data20.28 TFLOPS
ROPs8128
TMUs12288
Ray Tracing Coresno data72

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).

InterfaceAGP 8xPCIe 4.0 x16
Lengthno data267 mm
Width1-slot2-slot
Supplementary power connectors1x Molex2x 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 amount256 MB32 GB
Memory bus width256 Bit256 Bit
Memory clock speed600 MHz2000 MHz
Memory bandwidth38.4 GB/s512.0 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 Connectors1x DVI, 1x VGA, 1x S-VideoNo outputs

API compatibility

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

DirectX9.0c (9_3)12 Ultimate (12_2)
Shader Model3.06.5
OpenGL2.0 (full) 2.1 (partial)4.6
OpenCLN/A2.1
VulkanN/A1.2

Pros & cons summary


Recency 30 September 2005 4 November 2021
Maximum RAM amount 256 MB 32 GB
Chip lithography 110 nm 7 nm

Pro V620 has an age advantage of 16 years, a 12700% higher maximum VRAM amount, and a 1471.4% more advanced lithography process.

We couldn't decide between GeForce 6800 XT and Radeon Pro V620. We've got no test results to judge.

Be aware that GeForce 6800 XT is a desktop card while Radeon Pro V620 is a workstation 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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NVIDIA GeForce 6800 XT
GeForce 6800 XT
AMD Radeon Pro V620
Radeon Pro V620

Comparisons with similar GPUs

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Community ratings

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4.1 45 votes

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Questions & comments

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