A800 PCIe 40 GB vs ATI Radeon X1600

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
ArchitectureUltra-Threaded SE (2005−2007)Ampere (2020−2024)
GPU code nameRV516GA100
Market segmentDesktopWorkstation
Release date2007 (17 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 speed635 MHz765 MHz
Boost clock speedno data1410 MHz
Number of transistors105 million54,200 million
Manufacturing process technology90 nm7 nm
Power consumption (TDP)27 Watt250 Watt
Texture fill rate2.540609.1
Floating-point processing powerno data19.49 TFLOPS
ROPs4160
TMUs4432
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
Width1-slot2-slot
Supplementary power connectorsNone8-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 typeDDR2HBM2e
Maximum RAM amount512 MB40 GB
Memory bus width128 Bit5120 Bit
Memory clock speed800 MBps1215 MHz
Memory bandwidth12.8 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 DVI, 1x S-VideoNo outputs

API compatibility

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

DirectX9.0c (9_3)N/A
Shader Model3.0N/A
OpenGL2.1N/A
OpenCLN/A3.0
VulkanN/AN/A
CUDA-8.0

Pros & cons summary


Maximum RAM amount 512 MB 40 GB
Chip lithography 90 nm 7 nm
Power consumption (TDP) 27 Watt 250 Watt

ATI X1600 has 825.9% lower power consumption.

A800 PCIe 40 GB, on the other hand, has a 7900% higher maximum VRAM amount, and a 1185.7% more advanced lithography process.

We couldn't decide between Radeon X1600 and A800 PCIe 40 GB. We've got no test results to judge.

Be aware that Radeon X1600 is a desktop card while A800 PCIe 40 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 X1600
Radeon X1600
NVIDIA A800 PCIe 40 GB
A800 PCIe 40 GB

Comparisons with similar GPUs

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Community ratings

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