A800 PCIe 80 GB vs Radeon HD 3450 X2

Primary details

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

Place in performance rankingnot ratednot rated
Place by popularitynot in top-100not in top-100
ArchitectureTeraScale (2005−2013)Ampere (2020−2022)
GPU code nameRV620GA100
Market segmentDesktopDesktop
Release date10 December 2007 (16 years ago)8 November 2022 (1 year ago)

Detailed specifications

General performance parameters such as number of shaders, GPU core base clock and boost clock speeds, manufacturing process, texturing and calculation speed. These parameters indirectly speak of performance, but for precise assessment you have to consider their benchmark and gaming test results. Note that power consumption of some graphics cards can well exceed their nominal TDP, especially when overclocked.

Pipelines / CUDA cores406912
Core clock speed600 MHzno data
Boost clock speedno data1410 MHz
Number of transistors181 million54,200 million
Manufacturing process technology55 nm7 nm
Power consumption (TDP)50 Watt250 Watt
Texture fill rate2.400609.1
Floating-point performance2x 48 gflopsno data

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 2.0 x16PCIe 4.0 x16
Length168 mm267 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 MB80 GB
Memory bus width64 Bit5120 Bit
Memory clock speed1000 MHz3 GB/s
Memory bandwidth8 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 DMS-59No outputs

API compatibility

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

DirectX10.1 (10_1)N/A
Shader Model4.1N/A
OpenGL3.3N/A
OpenCLN/A3.0
VulkanN/AN/A
CUDAno data8.0

Pros & cons summary


Recency 10 December 2007 8 November 2022
Maximum RAM amount 512 MB 80 GB
Chip lithography 55 nm 7 nm
Power consumption (TDP) 50 Watt 250 Watt

We couldn't decide between Radeon HD 3450 X2 and A800 PCIe 80 GB. We've got no test results to judge.


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 HD 3450 X2
Radeon HD 3450 X2
NVIDIA A800 PCIe 80 GB
A800 PCIe 80 GB

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