A100 PCIe vs ATI Radeon X850 CrossFire Edition

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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
ArchitectureR400 (2004−2008)Ampere (2020−2024)
GPU code nameR480GA100
Market segmentDesktopWorkstation
Release date10 September 2006 (18 years ago)22 June 2020 (4 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 MHz1410 MHz
Number of transistors160 million54,200 million
Manufacturing process technology130 nm7 nm
Power consumption (TDP)no data250 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-pin1x 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 typeGDDR3HBM2e
Maximum RAM amount256 MB40 GB
Memory bus width256 Bit5120 Bit
Memory clock speed540 MHz1215 MHz
Memory bandwidth34.56 GB/s1,555 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 DVINo outputs

API compatibility

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

DirectX9.0b (9_2)12 Ultimate (12_2)
Shader Modelno data6.5
OpenGL2.04.6
OpenCLN/A2.0
VulkanN/A1.2
CUDA-8.0

Pros & cons summary


Recency 10 September 2006 22 June 2020
Maximum RAM amount 256 MB 40 GB
Chip lithography 130 nm 7 nm

A100 PCIe has an age advantage of 13 years, a 15900% higher maximum VRAM amount, and a 1757.1% more advanced lithography process.

We couldn't decide between Radeon X850 CrossFire Edition and A100 PCIe. We've got no test results to judge.

Be aware that Radeon X850 CrossFire Edition is a desktop card while A100 PCIe 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 CrossFire Edition
Radeon X850 CrossFire Edition
NVIDIA A100 PCIe
A100 PCIe

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Community ratings

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