Radeon RX 6700S vs A40 PCIe

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Primary details

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

Place in the rankingnot rated117
Place by popularitynot in top-100not in top-100
Power efficiencyno data33.53
ArchitectureAmpere (2020−2024)RDNA 2.0 (2020−2024)
GPU code nameGA102Navi 23
Market segmentWorkstationLaptop
Release date5 October 2020 (4 years ago)4 January 2022 (2 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 cores107521792
Core clock speed1305 MHz1700 MHz
Boost clock speed1755 MHz2000 MHz
Number of transistors28,300 million11,060 million
Manufacturing process technology8 nm7 nm
Power consumption (TDP)300 Watt80 Watt
Texture fill rate589.7224.0
Floating-point processing power37.74 TFLOPS7.168 TFLOPS
ROPs11264
TMUs336112
Tensor Cores336no data
Ray Tracing Cores8428

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).

Laptop sizeno datamedium sized
InterfacePCIe 4.0 x16PCIe 4.0 x8
Length267 mmno data
Width2-slotno data
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 GB8 GB
Memory bus width384 Bit128 Bit
Memory clock speed1812 MHz1750 MHz
Memory bandwidth695.8 GB/s224.0 GB/s
Shared memory--

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 Model6.56.5
OpenGL4.64.6
OpenCL2.02.1
Vulkan1.21.3
CUDA8.6-

Pros & cons summary


Recency 5 October 2020 4 January 2022
Maximum RAM amount 48 GB 8 GB
Chip lithography 8 nm 7 nm
Power consumption (TDP) 300 Watt 80 Watt

A40 PCIe has a 500% higher maximum VRAM amount.

RX 6700S, on the other hand, has an age advantage of 1 year, a 14.3% more advanced lithography process, and 275% lower power consumption.

We couldn't decide between A40 PCIe and Radeon RX 6700S. We've got no test results to judge.

Be aware that A40 PCIe is a workstation card while Radeon RX 6700S is a notebook one.


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 A40 PCIe
A40 PCIe
AMD Radeon RX 6700S
Radeon RX 6700S

Comparisons with similar GPUs

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Community ratings

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4.6 88 votes

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4.1 211 votes

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Questions & comments

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