Radeon Graphics 128SP 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 (2020−2024)RDNA 2.0 (2020−2024)
GPU code nameGA102Raphael
Market segmentWorkstationDesktop
Release date5 October 2020 (4 years ago)27 September 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 cores10752128
Core clock speed1305 MHz400 MHz
Boost clock speed1755 MHz2200 MHz
Number of transistors28,300 million3,400 million
Manufacturing process technology8 nm5 nm
Power consumption (TDP)300 Watt15 Watt
Texture fill rate589.717.60
Floating-point processing power37.74 TFLOPS0.5632 TFLOPS
ROPs1128
TMUs3368
Tensor Cores336no data
Ray Tracing Cores842

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 x8
Length267 mmno data
Width2-slotIGP
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 typeGDDR6System Shared
Maximum RAM amount48 GBSystem Shared
Memory bus width384 BitSystem Shared
Memory clock speed1812 MHzSystem Shared
Memory bandwidth695.8 GB/sno data

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 DisplayPortMotherboard Dependent

API compatibility

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

DirectX12 Ultimate (12_2)12 Ultimate (12_2)
Shader Model6.56.7
OpenGL4.64.6
OpenCL2.02.0
Vulkan1.21.3
CUDA8.6-

Pros & cons summary


Recency 5 October 2020 27 September 2022
Chip lithography 8 nm 5 nm
Power consumption (TDP) 300 Watt 15 Watt

Graphics 128SP has an age advantage of 1 year, a 60% more advanced lithography process, and 1900% lower power consumption.

We couldn't decide between RTX A40 and Radeon Graphics 128SP. We've got no test results to judge.

Be aware that RTX A40 is a workstation graphics card while Radeon Graphics 128SP is a desktop 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 RTX A40
RTX A40
AMD Radeon Graphics 128SP
Radeon Graphics 128SP

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Community ratings

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Questions & comments

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