GeForce 6600 vs Radeon R9 390
Aggregate performance score
We've compared Radeon R9 390 and GeForce 6600, covering specs and all relevant benchmarks.
R9 390 outperforms 6600 by a whopping 10458% based on our aggregate benchmark results.
Primary details
GPU architecture, market segment, value for money and other general parameters compared.
Place in the ranking | 288 | 1427 |
Place by popularity | not in top-100 | not in top-100 |
Cost-effectiveness evaluation | 9.77 | no data |
Power efficiency | 5.87 | no data |
Architecture | GCN 2.0 (2013−2017) | Curie (2003−2013) |
GPU code name | Grenada | NV43 A2 |
Market segment | Desktop | Desktop |
Design | reference | no data |
Release date | 18 June 2015 (10 years ago) | 12 August 2004 (21 years ago) |
Launch price (MSRP) | $329 | 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 | 2560 | no data |
Core clock speed | no data | 300 MHz |
Boost clock speed | 1000 MHz | no data |
Number of transistors | 6,200 million | 146 million |
Manufacturing process technology | 28 nm | 110 nm |
Power consumption (TDP) | 275 Watt | no data |
Texture fill rate | 160.0 | 2.400 |
Floating-point processing power | 5.12 TFLOPS | no data |
ROPs | 64 | 4 |
TMUs | 160 | 8 |
L1 Cache | 640 KB | no data |
L2 Cache | 1024 KB | no data |
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).
Bus support | PCIe 3.0 | no data |
Interface | PCIe 3.0 x16 | PCIe 1.0 x16 |
Length | 275 mm | no data |
Width | 2-slot | 1-slot |
Supplementary power connectors | 1 x 6-pin, 1 x 8-pin | None |
Bridgeless CrossFire | + | - |
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 | DDR |
High bandwidth memory (HBM) | - | no data |
Maximum RAM amount | 0 MB | 256 MB |
Memory bus width | 512 Bit | 128 Bit |
Memory clock speed | 1000 MHz | 250 MHz |
Memory bandwidth | 384 GB/s | 8 GB/s |
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 DVI, 1x VGA, 1x S-Video |
Eyefinity | + | - |
Number of Eyefinity displays | 6 | no data |
HDMI | + | - |
DisplayPort support | + | - |
Supported technologies
Supported technological solutions. This information will prove useful if you need some particular technology for your purposes.
CrossFire | + | - |
FreeSync | + | - |
PowerTune | + | - |
TrueAudio | + | - |
VCE | + | - |
DDMA audio | + | no data |
API and SDK support
List of supported 3D and general-purpose computing APIs, including their specific versions.
DirectX | DirectX® 12 | 9.0c (9_3) |
Shader Model | 6.3 | 3.0 |
OpenGL | 4.6 | 2.1 |
OpenCL | 2.0 | N/A |
Vulkan | + | N/A |
Mantle | + | - |
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 | 20.06 | 0.19 |
Recency | 18 June 2015 | 12 August 2004 |
Chip lithography | 28 nm | 110 nm |
R9 390 has a 10457.9% higher aggregate performance score, an age advantage of 10 years, and a 292.9% more advanced lithography process.
The Radeon R9 390 is our recommended choice as it beats the GeForce 6600 in performance tests.
Other comparisons
We selected several comparisons of graphics cards with performance close to those reviewed, providing you with more options to consider.