A800 PCIe 80 GB vs ATI Radeon X850 XT

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
ArchitectureR400 (2004−2008)Ampere (2020−2024)
GPU code nameR480GA100
Market segmentDesktopWorkstation
Release date1 December 2004 (19 years ago)8 November 2022 (2 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 data6912
Core clock speed520 MHz1065 MHz
Boost clock speedno data1410 MHz
Number of transistors160 million54,200 million
Manufacturing process technology130 nm7 nm
Power consumption (TDP)69 Watt250 Watt
Texture fill rate8.320609.1
Floating-point processing powerno data19.49 TFLOPS
ROPs16160
TMUs16432
Tensor Coresno data432

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
Lengthno data267 mm
Width2-slot2-slot
Supplementary power connectors1x 6-pin8-pin EPS

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 typeGDDR3HBM2e
Maximum RAM amount256 MB80 GB
Memory bus width256 Bit5120 Bit
Memory clock speed540 MHz1512 MHz
Memory bandwidth34.56 GB/s1,935 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-VideoNo outputs

API compatibility

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

DirectX9.0b (9_2)N/A
Shader Modelno dataN/A
OpenGL2.0N/A
OpenCLN/A3.0
VulkanN/AN/A
CUDA-8.0

Pros & cons summary


Recency 1 December 2004 8 November 2022
Maximum RAM amount 256 MB 80 GB
Chip lithography 130 nm 7 nm
Power consumption (TDP) 69 Watt 250 Watt

ATI X850 XT has 262.3% lower power consumption.

A800 PCIe 80 GB, on the other hand, has an age advantage of 17 years, a 31900% higher maximum VRAM amount, and a 1757.1% more advanced lithography process.

We couldn't decide between Radeon X850 XT and A800 PCIe 80 GB. We've got no test results to judge.

Be aware that Radeon X850 XT is a desktop card while A800 PCIe 80 GB 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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ATI Radeon X850 XT
Radeon X850 XT
NVIDIA A800 PCIe 80 GB
A800 PCIe 80 GB

Comparisons with similar GPUs

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Community ratings

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3.3 12 votes

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3.7 6 votes

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Questions & comments

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