RTX PRO 5000 72 GB Blackwell vs RTX A40

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
ArchitectureAmpere (2020−2025)Blackwell 2.0 (2025−2026)
GPU code nameGA102GB202
Market segmentWorkstationWorkstation
Release date5 October 2020 (5 years ago)21 October 2025 (recently)

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 cores1075214080
Core clock speed1305 MHz1740 MHz
Boost clock speed1755 MHz2377 MHz
Number of transistors28,300 million92,200 million
Manufacturing process technology8 nm5 nm
Power consumption (TDP)300 Watt300 Watt
Texture fill rate589.71,045.9
Floating-point processing power37.74 TFLOPS66.94 TFLOPS
ROPs112176
TMUs336440
Tensor Cores336440
Ray Tracing Cores84110
L1 Cache10.5 MB13.8 MB
L2 Cache6 MB96 MB

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 5.0 x16
Length267 mm267 mm
Width2-slot2-slot
Supplementary power connectors8-pin EPS1x 16-pin

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 typeGDDR6GDDR7
Maximum RAM amount48 GB72 GB
Memory bus width384 Bit384 Bit
Memory clock speed1812 MHz1750 MHz
Memory bandwidth695.8 GB/s1.34 TB/s
Resizable BAR+-

Connectivity and outputs

This section shows the types and number of video connectors on each GPU. The data applies specifically to desktop reference models (for example, NVIDIA’s Founders Edition). OEM partners often modify both the number and types of ports. On notebook GPUs, video‐output options are determined by the laptop’s design rather than the graphics chip itself.

Display Connectors3x DisplayPort4x DisplayPort 2.1b

API and SDK support

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
Vulkan1.21.4
CUDA8.612.0
DLSS++

Pros & cons summary


Recency 5 October 2020 21 October 2025
Maximum RAM amount 48 GB 72 GB
Chip lithography 8 nm 5 nm

RTX PRO 5000 72 GB Blackwell has an age advantage of 5 years, a 50% higher maximum VRAM amount, and a 60% more advanced lithography process.

We couldn't decide between RTX A40 and RTX PRO 5000 72 GB Blackwell. We've got no test results to judge.

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NVIDIA RTX A40
RTX A40
NVIDIA RTX PRO 5000 72 GB Blackwell
RTX PRO 5000 72 GB Blackwell

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