Radeon RX 6600 LE: specs and benchmarks
Aggregate performance score
Radeon RX 6600 LE provides good gaming and benchmark performance at 30.51% of a leader's which is RTX PRO 5000 Blackwell.
Contents
Summary
AMD started Radeon RX 6600 LE sales 8 December 2023. This is a desktop graphics card based on a RDNA 2.0 architecture and made with 7 nm manufacturing process. It is primarily aimed at gamer market. 8 GB of GDDR6 memory clocked at 1.75 GHz are supplied, and together with 128 Bit memory interface this creates a bandwidth of 224.0 GB/s.
Compatibility-wise, this is a dual-slot graphics card attached via PCIe 4.0 x8 interface. Its manufacturer default version has a length of 190 mm. 1x 8-pin power connector is required, and power consumption is at 132 Watt.
Primary details
Some basic facts about Radeon RX 6600 LE: architecture, market segment, release date etc.
| Place in the ranking | 184 | |
| Place by popularity | not in top-100 | |
| Power efficiency | 18.61 | of 100.00 (Radeon 890M) |
| Architecture | RDNA 2.0 (2020−2025) | |
| GPU code name | Navi 23 | |
| Market segment | Desktop | |
| Release date | 8 December 2023 (1 year ago) |
Detailed specifications
Radeon RX 6600 LE's specs such as number of shaders, GPU base clock, manufacturing process, texturing and calculation speed. These parameters indirectly speak of Radeon RX 6600 LE's performance, but for precise assessment you have to consider its benchmark and gaming test results.
| Pipelines / CUDA cores | 1792 | of 960 (GeForce GTX 660) |
| Core clock speed | 1626 MHz | of 980 (GeForce GT 755M SLI) |
| Boost clock speed | 2495 MHz | of 1000 (HD Graphics (Haswell)) |
| Number of transistors | 11,060 million | of 100,000 million (Data Center GPU Max 1100) |
| Manufacturing process technology | 7 nm | of 0.003 MB (Arc Graphics 140V) |
| Power consumption (TDP) | 132 Watt | of 235 (FirePro S9150) |
| Texture fill rate | 279.4 | of 1,968.0 (RTX PRO 6000 Blackwell Server) |
| Floating-point processing power | 8.942 TFLOPS | of 126 (RTX PRO 6000 Blackwell Server) |
| ROPs | 64 | of 512 (Moore Threads MTT S4000) |
| TMUs | 112 | of 896 (Data Center GPU Max 1350) |
| Ray Tracing Cores | 28 | of 188 (RTX PRO 6000 Blackwell Server) |
| L0 Cache | 448 KB | of 3 MB (Radeon RX 7900 XTX) |
| L1 Cache | 512 KB | of 64 MB (Data Center GPU Max 1550) |
| L2 Cache | 2 MB | of 408 MB (Data Center GPU Max 1350) |
| L3 Cache | 32 MB | of 256 MB (Radeon Instinct MI300X) |
Form factor & compatibility
This section provides details about the physical dimensions of Radeon RX 6600 LE and its compatibility with other computer components. This information is useful when selecting a computer configuration or upgrading an existing one. For desktop graphics cards, it includes details about the interface and bus (for motherboard compatibility) and additional power connectors (for power supply compatibility).
| Interface | PCIe 4.0 x8 | |
| Length | 190 mm | |
| Width | 2-slot | |
| Supplementary power connectors | 1x 8-pin |
VRAM capacity and type
Parameters of memory installed on Radeon RX 6600 LE: its type, size, bus, clock and resulting bandwidth. Note that GPUs integrated into processors have no dedicated memory and use a shared part of system RAM instead.
| Memory type | GDDR6 | |
| Maximum RAM amount | 8 GB | of 288 GB (Radeon Instinct MI325X) |
| Memory bus width | 128 Bit | of 384 (GeForce GTX 980 Ti) |
| Memory clock speed | 1750 MHz | of 16384000 MB (GeForce RTX 4050 Mobile) |
| Memory bandwidth | 224.0 GB/s | of 983040 MB (GeForce RTX 5080) |
| Resizable BAR | + |
Connectivity and outputs
Types and number of video connectors present on Radeon RX 6600 LE. As a rule, this section is relevant only for desktop reference graphics cards, since for notebook ones the availability of certain video outputs depends on the laptop model, while non-reference desktop models can (though not necessarily will) bear a different set of video ports.
| Display Connectors | 1x HDMI 2.1, 3x DisplayPort 1.4a | |
| HDMI | + |
API and SDK support
APIs supported by Radeon RX 6600 LE, sometimes including their particular versions.
| DirectX | 12 Ultimate (12_2) | |
| Shader Model | 6.7 | |
| OpenGL | 4.6 | |
| OpenCL | 2.1 | |
| Vulkan | 1.3 |
Benchmark performance
Synthetic benchmark performance of Radeon RX 6600 LE. The combined score is measured on a 0-100 point scale.
Combined synthetic benchmark score
This is our combined benchmark score.
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.
Send your test results of Radeon RX 6600 LE.
NVIDIA equivalent
According to our data, the closest NVIDIA alternative to Radeon RX 6600 LE is GeForce GTX 1070, which is nearly equal in speed and higher by 2 positions in our ranking.
Here are some closest NVIDIA rivals to Radeon RX 6600 LE:
Similar GPUs
Here is our recommendation of several graphics cards that are more or less close in performance to the one reviewed.
Recommended processors
These processors are most commonly used with Radeon RX 6600 LE according to our statistics.
