Radeon RX 6600 LE vs R9 285
Aggregate performance score
We've compared Radeon R9 285 and Radeon RX 6600 LE, covering specs and all relevant benchmarks.
6600 LE outperforms R9 285 by a whopping 110% based on our aggregate benchmark results.
Contents
Primary details
GPU architecture, market segment, value for money and other general parameters compared.
| Place in the ranking | 368 | 171 |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | 7.68 | no data |
| Power efficiency | 6.47 | 19.57 |
| Architecture | GCN 3.0 (2014−2019) | RDNA 2.0 (2020−2025) |
| GPU code name | Tonga | Navi 23 |
| Market segment | Desktop | Desktop |
| Release date | 2 September 2014 (11 years ago) | 8 December 2023 (2 years ago) |
| Launch price (MSRP) | $249 | no data |
Cost-effectiveness evaluation
The higher the ratio, the better. We use the manufacturer's recommended prices.
Performance to price scatter graph
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 cores | 1792 | 1792 |
| Core clock speed | 918 MHz | 1626 MHz |
| Boost clock speed | no data | 2495 MHz |
| Number of transistors | 5,000 million | 11,060 million |
| Manufacturing process technology | 28 nm | 7 nm |
| Power consumption (TDP) | 190 Watt | 132 Watt |
| Texture fill rate | 102.8 | 279.4 |
| Floating-point processing power | 3.29 TFLOPS | 8.942 TFLOPS |
| ROPs | 32 | 64 |
| TMUs | 112 | 112 |
| Ray Tracing Cores | no data | 28 |
| L0 Cache | no data | 448 KB |
| L1 Cache | 448 KB | 512 KB |
| L2 Cache | 512 KB | 2 MB |
| L3 Cache | no data | 32 MB |
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).
| Interface | PCIe 3.0 x16 | PCIe 4.0 x8 |
| Length | 221 mm | 190 mm |
| Width | 2-slot | 2-slot |
| Supplementary power connectors | 2x 6-pin | 1x 8-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 type | GDDR5 | GDDR6 |
| Maximum RAM amount | 2 GB | 8 GB |
| Memory bus width | 256 Bit | 128 Bit |
| Memory clock speed | 1375 MHz | 1750 MHz |
| Memory bandwidth | 176.0 GB/s | 224.0 GB/s |
| Resizable BAR | - | + |
Connectivity and outputs
This section shows the types and number of video connectors on each GPU. The data applies specifically to desktop reference models (for example, NVIDIA’s Founders Edition). OEM partners often modify both the number and types of ports. On notebook GPUs, video‐output options are determined by the laptop’s design rather than the graphics chip itself.
| Display Connectors | 2x DVI, 1x HDMI 1.4a, 1x DisplayPort 1.2 | 1x HDMI 2.1, 3x DisplayPort 1.4a |
| HDMI | + | + |
API and SDK support
List of supported 3D and general-purpose computing APIs, including their specific versions.
| DirectX | 12 (12_0) | 12 Ultimate (12_2) |
| Shader Model | 6.5 | 6.7 |
| OpenGL | 4.6 | 4.6 |
| OpenCL | 2.1 | 2.1 |
| Vulkan | 1.2.170 | 1.3 |
Synthetic benchmarks
Non-gaming benchmark results comparison. 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.
Gaming performance
Let's see how good the compared graphics cards are for gaming. Particular gaming benchmark results are measured in FPS.
Pros & cons summary
| Performance score | 15.97 | 33.55 |
| Recency | 2 September 2014 | 8 December 2023 |
| Maximum RAM amount | 2 GB | 8 GB |
| Chip lithography | 28 nm | 7 nm |
| Power consumption (TDP) | 190 Watt | 132 Watt |
RX 6600 LE has a 110% higher aggregate performance score, an age advantage of 9 years, a 300% higher maximum VRAM amount, a 300% more advanced lithography process, and 44% lower power consumption.
The Radeon RX 6600 LE is our recommended choice as it beats the Radeon R9 285 in performance tests.
Other comparisons
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