RTX 4500 Ada Generation vs RTX A40

Primary details

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

Place in the rankingnot rated10
Place by popularitynot in top-100not in top-100
Power efficiencyno data25.65
ArchitectureAmpere (2020−2024)Ada Lovelace (2022−2024)
GPU code nameGA102AD103
Market segmentWorkstationWorkstation
Release date5 October 2020 (4 years ago)9 August 2023 (1 year 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 cores107527680
Core clock speed1305 MHz2070 MHz
Boost clock speed1755 MHz2580 MHz
Number of transistors28,300 million45,900 million
Manufacturing process technology8 nm5 nm
Power consumption (TDP)300 Watt210 Watt
Texture fill rate589.7619.2
Floating-point processing power37.74 TFLOPS39.63 TFLOPS
ROPs11280
TMUs336240
Tensor Cores336240
Ray Tracing Cores8460

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 4.0 x16PCIe 4.0 x16
Length267 mm245 mm
Width2-slot2-slot
Supplementary power connectors8-pin EPSNone

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 typeGDDR6GDDR6
Maximum RAM amount48 GB24 GB
Memory bus width384 Bit192 Bit
Memory clock speed1812 MHz2250 MHz
Memory bandwidth695.8 GB/s432.0 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 Connectors3x DisplayPort4x DisplayPort 1.4a

API compatibility

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

DirectX12 Ultimate (12_2)12 Ultimate (12_2)
Shader Model6.56.8
OpenGL4.64.6
OpenCL2.03.0
Vulkan1.21.3
CUDA8.68.9

Pros & cons summary


Recency 5 October 2020 9 August 2023
Maximum RAM amount 48 GB 24 GB
Chip lithography 8 nm 5 nm
Power consumption (TDP) 300 Watt 210 Watt

RTX A40 has a 100% higher maximum VRAM amount.

RTX 4500 Ada Generation, on the other hand, has an age advantage of 2 years, a 60% more advanced lithography process, and 42.9% lower power consumption.

We couldn't decide between RTX A40 and RTX 4500 Ada Generation. 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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NVIDIA RTX A40
RTX A40
NVIDIA RTX 4500 Ada Generation
RTX 4500 Ada Generation

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Community ratings

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Questions & comments

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