GRID A100B vs ATI Radeon X1900 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
ArchitectureR500 (2005−2007)Ampere (2020−2024)
GPU code nameR580GA100
Market segmentDesktopWorkstation
Release date24 January 2006 (18 years ago)14 May 2020 (4 years ago)
Launch price (MSRP)$299 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 coresno data6912
Core clock speed625 MHz900 MHz
Boost clock speedno data1005 MHz
Number of transistors384 million54,200 million
Manufacturing process technology90 nm7 nm
Power consumption (TDP)100 Watt400 Watt
Texture fill rate10.00434.2
Floating-point processing powerno data13.89 TFLOPS
ROPs16192
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
Length242 mmno data
Width2-slotIGP
Supplementary power connectors1x 6-pinNone

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 MB48 GB
Memory bus width256 Bit6144 Bit
Memory clock speed725 MHz1215 MHz
Memory bandwidth46.4 GB/s1,866 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.

DirectX9.0c (9_3)12 Ultimate (12_2)
Shader Model3.06.5
OpenGL2.1 (full) 3.0 (partial)4.6
OpenCLN/A2.0
VulkanN/A1.2
CUDA-8.0

Pros & cons summary


Recency 24 January 2006 14 May 2020
Maximum RAM amount 256 MB 48 GB
Chip lithography 90 nm 7 nm
Power consumption (TDP) 100 Watt 400 Watt

ATI X1900 XT has 300% lower power consumption.

GRID A100B, on the other hand, has an age advantage of 14 years, a 19100% higher maximum VRAM amount, and a 1185.7% more advanced lithography process.

We couldn't decide between Radeon X1900 XT and GRID A100B. We've got no test results to judge.

Be aware that Radeon X1900 XT is a desktop card while GRID A100B 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 X1900 XT
Radeon X1900 XT
NVIDIA GRID A100B
GRID A100B

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Community ratings

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Questions & comments

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