RTX PRO 4000 Blackwell SFF vs Tesla M40 24 GB

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Aggregate performance score

We've compared Tesla M40 24 GB and RTX PRO 4000 Blackwell SFF, covering specs and all relevant benchmarks.

Tesla M40 24 GB
2015
24 GB GDDR5, 250 Watt
24.06

PRO 4000 Blackwell SFF outperforms M40 24 GB by a whopping 182% based on our aggregate benchmark results.

Primary details

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

Place in the ranking24720
Place by popularitynot in top-100not in top-100
Power efficiency7.7578.13
ArchitectureMaxwell 2.0 (2014−2019)Blackwell 2.0 (2025)
GPU code nameGM200GB203
Market segmentWorkstationWorkstation
Release date10 November 2015 (9 years ago)11 August 2025 (less than a 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 cores30728960
Core clock speed948 MHz790 MHz
Boost clock speed1112 MHz1337 MHz
Number of transistors8,000 million45,600 million
Manufacturing process technology28 nm5 nm
Power consumption (TDP)250 Watt70 Watt
Texture fill rate213.5374.4
Floating-point processing power6.832 TFLOPS23.96 TFLOPS
ROPs9696
TMUs192280
Tensor Coresno data280
Ray Tracing Coresno data70
L1 Cache1.1 MB8.8 MB
L2 Cache3 MB48 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 3.0 x16PCIe 5.0 x8
Length267 mm167 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 typeGDDR5GDDR7
Maximum RAM amount24 GB24 GB
Memory bus width384 Bit192 Bit
Memory clock speed1502 MHz1125 MHz
Memory bandwidth288.4 GB/s432.0 GB/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 ConnectorsNo outputs4x mini-DisplayPort 2.1b

API and SDK support

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

DirectX12 (12_1)12 Ultimate (12_2)
Shader Model6.76.8
OpenGL4.64.6
OpenCL3.03.0
Vulkan1.31.4
CUDA5.212.0
DLSS-+

Synthetic benchmarks

Non-gaming benchmark results comparison. The combined score is measured on a 0-100 point scale.


Combined synthetic benchmark score

This is our combined benchmark score.

Tesla M40 24 GB 24.06
RTX PRO 4000 Blackwell SFF 67.89
+182%

Passmark

This is the most ubiquitous GPU benchmark. It gives the graphics card a thorough evaluation under various types of load, providing four separate benchmarks for Direct3D versions 9, 10, 11 and 12 (the last being done in 4K resolution if possible), and few more tests engaging DirectCompute capabilities.

Tesla M40 24 GB 10641
Samples: 5
RTX PRO 4000 Blackwell SFF 30019
+182%
Samples: 2

Gaming performance

Let's see how good the compared graphics cards are for gaming. Particular gaming benchmark results are measured in FPS.

Pros & cons summary


Performance score 24.06 67.89
Recency 10 November 2015 11 August 2025
Chip lithography 28 nm 5 nm
Power consumption (TDP) 250 Watt 70 Watt

RTX PRO 4000 Blackwell SFF has a 182.2% higher aggregate performance score, an age advantage of 9 years, a 460% more advanced lithography process, and 257.1% lower power consumption.

The RTX PRO 4000 Blackwell SFF is our recommended choice as it beats the Tesla M40 24 GB in performance tests.

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NVIDIA Tesla M40 24 GB
Tesla M40 24 GB
NVIDIA RTX PRO 4000 Blackwell SFF
RTX PRO 4000 Blackwell SFF

Other comparisons

We selected several comparisons of graphics cards with performance close to those reviewed, providing you with more options to consider.

Community ratings

Here you can see the user ratings of the compared graphics cards, as well as rate them yourself.


4.1 42 votes

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