Radeon RX 6700 vs GeForce GTX 660 OEM
Aggregate performance score
We've compared GeForce GTX 660 OEM and Radeon RX 6700, covering specs and all relevant benchmarks.
RX 6700 outperforms 660 OEM by a whopping 1359% 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 | 806 | 93 |
| Place by popularity | not in top-100 | not in top-100 |
| Power efficiency | 1.84 | 19.91 |
| Architecture | Kepler (2012−2018) | RDNA 2.0 (2020−2025) |
| GPU code name | GK104 | Navi 22 |
| Market segment | Desktop | Desktop |
| Release date | 22 August 2012 (13 years ago) | 9 June 2021 (4 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 cores | 1152 | 2304 |
| Core clock speed | 823 MHz | 1941 MHz |
| Boost clock speed | 888 MHz | 2450 MHz |
| Number of transistors | 3,540 million | 17,200 million |
| Manufacturing process technology | 28 nm | 7 nm |
| Power consumption (TDP) | 130 Watt | 175 Watt |
| Texture fill rate | 85.25 | 352.8 |
| Floating-point processing power | 2.046 TFLOPS | 11.29 TFLOPS |
| ROPs | 32 | 64 |
| TMUs | 96 | 144 |
| Ray Tracing Cores | no data | 36 |
| L0 Cache | no data | 576 KB |
| L1 Cache | 96 KB | 512 KB |
| L2 Cache | 512 KB | 3 MB |
| L3 Cache | no data | 80 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 x16 |
| Length | 241 mm | 267 mm |
| Width | 2-slot | 2-slot |
| Supplementary power connectors | 1x 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 | 10 GB |
| Memory bus width | 256 Bit | 160 Bit |
| Memory clock speed | 1400 MHz | 2000 MHz |
| Memory bandwidth | 179.2 GB/s | 320.0 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, 1x DisplayPort | 1x HDMI 2.1, 2x DisplayPort 1.4a, 1x USB Type-C |
| HDMI | + | + |
API and SDK support
List of supported 3D and general-purpose computing APIs, including their specific versions.
| DirectX | 12 (11_0) | 12 Ultimate (12_2) |
| Shader Model | 5.1 | 6.5 |
| OpenGL | 4.6 | 4.6 |
| OpenCL | 1.2 | 2.1 |
| Vulkan | 1.1.126 | 1.3 |
| CUDA | 3.0 | - |
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 | 3.10 | 45.24 |
| Recency | 22 August 2012 | 9 June 2021 |
| Maximum RAM amount | 2 GB | 10 GB |
| Chip lithography | 28 nm | 7 nm |
| Power consumption (TDP) | 130 Watt | 175 Watt |
GTX 660 OEM has 34.6% lower power consumption.
RX 6700, on the other hand, has a 1359.4% higher aggregate performance score, an age advantage of 8 years, a 400% higher maximum VRAM amount, and a 300% more advanced lithography process.
The Radeon RX 6700 is our recommended choice as it beats the GeForce GTX 660 OEM in performance tests.
Other comparisons
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