CMP 70HX vs RTX A40

#ad 
Buy on Amazon
VS

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 (2020−2024)Ampere (2020−2024)
GPU code nameGA102GA104
Market segmentWorkstationWorkstation
Release date5 October 2020 (4 years ago)2021 (3 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 cores107523840
Core clock speed1305 MHz1365 MHz
Boost clock speed1755 MHz1395 MHz
Number of transistors28,300 million17,400 million
Manufacturing process technology8 nm8 nm
Power consumption (TDP)300 Wattno data
Texture fill rate589.7167.4
Floating-point processing power37.74 TFLOPS10.71 TFLOPS
ROPs11264
TMUs336120
Tensor Cores336120
Ray Tracing Cores8430

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 mm267 mm
Width2-slot2-slot
Supplementary power connectors8-pin EPS1x 12-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 typeGDDR6GDDR6X
Maximum RAM amount48 GB8 GB
Memory bus width384 Bit256 Bit
Memory clock speed1812 MHz1188 MHz
Memory bandwidth695.8 GB/s608.3 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 DisplayPortNo outputs

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
CUDA8.68.6

Pros & cons summary


Maximum RAM amount 48 GB 8 GB

RTX A40 has a 500% higher maximum VRAM amount.

We couldn't decide between RTX A40 and CMP 70HX. 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.

Vote for your favorite

Do you think we are right or mistaken in our choice? Vote by clicking "Like" button near your favorite graphics card.


NVIDIA RTX A40
RTX A40
NVIDIA CMP 70HX
CMP 70HX

Comparisons with similar GPUs

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.


1.4 394 votes

Rate RTX A40 on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5
4.8 10 votes

Rate CMP 70HX on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5

Questions & comments

Here you can ask a question about this comparison, agree or disagree with our judgements, or report an error or mismatch.