AMD Radeon RX 6600 vs NVIDIA RTX A4000

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Combined performance score

RTX A4000
50.06
+28.3%

RTX A4000 outperforms Radeon RX 6600 by 28% in our combined benchmark results.

General info

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

Place in performance ranking52105
Place by popularitynot in top-10013
Value for money10.9133.41
ArchitectureAmpere (2020−2022)Navi / RDNA2 (2020−2022)
GPU code nameGA104Navi 23
Market segmentWorkstationDesktop
Release date12 April 2021 (2 years old)13 October 2021 (2 years old)
Launch price (MSRP)no data$329
Current price$1112 $358 (1.1x MSRP)
Value for money

Performance to price ratio. The higher, the better.

RX 6600 has 206% better value for money than RTX A4000.

Technical specs

General performance parameters such as number of shaders, GPU core base clock and boost clock speeds, manufacturing process, texturing and calculation speed. These parameters indirectly speak of performance, but for precise assessment you have to consider their benchmark and gaming test results. Note that power consumption of some graphics cards can well exceed their nominal TDP, especially when overclocked.

Pipelines / CUDA cores61441792
Core clock speedno data2044 MHz
Boost clock speed1560 MHz2491 MHz
Number of transistors17,400 million11,060 million
Manufacturing process technology8 nm7 nm
Power consumption (TDP)140 Watt132 Watt
Texture fill rate299.5279.0

Size and 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
Length241 mm190 mm
Width1-slot2-slot
Supplementary power connectors1x 6-pin1x 8-pin

Memory

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 amount16 GB8 GB
Memory bus width256 Bit128 Bit
Memory clock speed14 GB/s14500 MHz
Memory bandwidth448.0 GB/s224.0 GB/s
Shared memoryno data-

Video outputs and ports

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 Connectors4x DisplayPort 1.4a1x HDMI, 3x DisplayPort
HDMIno data+

API support

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

DirectX12 Ultimate (12_2)12.0 Ultimate (12_2)
Shader Model6.76.5
OpenGL4.64.6
OpenCL3.02.1
Vulkan1.31.2
CUDA8.6no data

Synthetic benchmark performance

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


Combined synthetic benchmark score

This is our combined benchmark performance score. We are regularly improving our combining algorithms, but if you find some perceived inconsistencies, feel free to speak up in comments section, we usually fix problems quickly.

RTX A4000 50.06
+28.3%
RX 6600 39.02

RTX A4000 outperforms Radeon RX 6600 by 28% in our combined benchmark results.


Passmark

This is the most ubiquitous GPU benchmark, part of Passmark PerformanceTest suite. 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.

Benchmark coverage: 25%

RTX A4000 19403
+28.3%
RX 6600 15125

RTX A4000 outperforms Radeon RX 6600 by 28% in Passmark.

Gaming performance

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

Average FPS across all PC games

Here are the average frames per second in a large set of popular games across different resolutions:

Full HD140−150
+22.8%
114
−22.8%
1440p70−75
+20.7%
58
−20.7%
4K40−45
+25%
32
−25%

Advantages and disadvantages


Performance score 50.06 39.02
Recency 12 April 2021 13 October 2021
Maximum RAM amount 16 GB 8 GB
Chip lithography 8 nm 7 nm
Power consumption (TDP) 140 Watt 132 Watt

The RTX A4000 is our recommended choice as it beats the Radeon RX 6600 in performance tests.

Be aware that RTX A4000 is a workstation card while Radeon RX 6600 is a desktop one.


Should you still have questions concerning choice between the reviewed GPUs, ask them in Comments section, and we shall answer.

User ratings

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


NVIDIA RTX A4000
RTX A4000
AMD Radeon RX 6600
Radeon RX 6600

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Questions and comments

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