RTX A1000 Mobile vs ATI Radeon X850 PRO AGP

Primary details

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

Place in the rankingnot rated221
Place by popularitynot in top-100not in top-100
ArchitectureR400 (2004−2008)Ampere (2020−2024)
GPU code nameR481GA107
Market segmentDesktopLaptop
Release date4 September 2005 (19 years ago)30 March 2022 (2 years ago)
Launch price (MSRP)$279 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 data2048
Core clock speed500 MHz630 MHz
Boost clock speedno data1140 MHz
Number of transistors160 millionno data
Manufacturing process technology130 nm8 nm
Power consumption (TDP)no data60 Watt
Texture fill rate6.00072.96
Floating-point processing powerno data4.669 TFLOPS
ROPs1232
TMUs1264
Tensor Coresno data64
Ray Tracing Coresno data16

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).

Laptop sizeno datamedium sized
InterfaceAGP 8xPCIe 4.0 x8
Width1-slotno data
Supplementary power connectors1x Molexno data

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 MB4 GB
Memory bus width256 Bit128 Bit
Memory clock speed500 MHz1375 MHz
Memory bandwidth32 GB/s176.0 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 Connectors1x DVI, 1x VGA, 1x S-VideoPortable Device Dependent

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 data6.7
OpenGL2.04.6
OpenCLN/A3.0
VulkanN/A1.3
CUDA-8.6

Pros & cons summary


Recency 4 September 2005 30 March 2022
Maximum RAM amount 256 MB 4 GB
Chip lithography 130 nm 8 nm

RTX A1000 Mobile has an age advantage of 16 years, a 1500% higher maximum VRAM amount, and a 1525% more advanced lithography process.

We couldn't decide between Radeon X850 PRO AGP and RTX A1000 Mobile. We've got no test results to judge.

Be aware that Radeon X850 PRO AGP is a desktop card while RTX A1000 Mobile is a notebook 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 PRO AGP
Radeon X850 PRO AGP
NVIDIA RTX A1000 Mobile
RTX A1000 Mobile

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Community ratings

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