CZNull Testing Suite: Complete GPU Benchmark Collection
Detailed overview of CZNull benchmark tests, including basic rendering and advanced compute shaders. Find appropriate tests for your hardware evaluation needs.
Comprehensive Testing Suite Overview
A complete benchmarking suite goes beyond single tests, providing a holistic view of GPU performance across multiple workload types. This guide explores the complete testing methodology, explaining each benchmark type, what it measures, and how to interpret results for real-world performance prediction.
Test Suite Architecture
Core Test Categories
Professional benchmarking divides GPU testing into distinct categories:
| Test Category | Primary Focus | Real-World Application | Weight in Score |
|---|---|---|---|
| Rendering Tests | Graphics rendering speed | Gaming, 3D visualization | 35% |
| Compute Tests | Parallel processing | AI, video encoding, simulations | 25% |
| Memory Tests | Bandwidth, latency | High-resolution textures, large datasets | 20% |
| Stress Tests | Sustained performance | Extended gaming, rendering jobs | 15% |
| Specialized Tests | Specific features | Ray tracing, tessellation, etc. | 5% |
Rendering Performance Tests
Triangle Throughput Test
Measures how many triangles your GPU can process per second:
Test Parameters:
- Triangle count: 1M to 50M polygons
- Complexity: Simple flat shading
- Duration: 60 seconds
- Metric: Average triangles/second
Typical Results:
Entry GPU (GTX 1650): 8.2M triangles/sec
Mid-Range (RTX 3060): 24.5M triangles/sec
High-End (RTX 4080): 52.8M triangles/sec
Enthusiast (RTX 4090): 68.3M triangles/sec
Gaming Relevance:
- 15M+: Handles most games at 1080p 60 FPS
- 30M+: Smooth 1440p high refresh rate
- 50M+: 4K gaming with complex scenes
Shader Complexity Test
Evaluates performance with complex pixel shaders:
| Shader Type | Instructions | Use Case |
|---|---|---|
| Simple | 50-100 | Indie games, mobile ports |
| Medium | 200-400 | Modern AAA games |
| Complex | 600-1000 | Photorealistic rendering, ray tracing |
| Extreme | 1500+ | Professional visualization, film |
Fill Rate Test
Tests pixel rendering throughput:
Test Configuration:
Resolution: 3840x2160 (4K)
Overdraw: 4x (simulates layered effects)
Effects: Blending, depth testing
Benchmark Results by GPU:
GTX 1060: 45.2 Gpixels/sec
RTX 2070: 68.5 Gpixels/sec
RTX 3080: 112.8 Gpixels/sec
RTX 4090: 184.3 Gpixels/sec
Real-World Performance Correlation:
60+ Gpixels/sec: 1080p 144 FPS
100+ Gpixels/sec: 1440p 144 FPS or 4K 60 FPS
150+ Gpixels/sec: 4K 120 FPS capable
Compute Performance Tests
Parallel Processing Test
Measures GPGPU compute capabilities:
Test Workload: Matrix multiplication (4096x4096)
Performance by Architecture:
NVIDIA Pascal (GTX 1080): 8.2 TFLOPS
NVIDIA Turing (RTX 2080): 10.1 TFLOPS
NVIDIA Ampere (RTX 3080): 29.8 TFLOPS
NVIDIA Ada (RTX 4080): 48.7 TFLOPS
AMD RDNA 2 (RX 6800 XT): 20.7 TFLOPS
AMD RDNA 3 (RX 7900 XTX): 61.4 TFLOPS
Applications:
- Video encoding: 20+ TFLOPS for real-time 4K
- AI inference: 30+ TFLOPS for stable diffusion
- Scientific simulation: 40+ TFLOPS for complex models
Compute Shader Efficiency
Tests compute shader performance with various workload sizes:
| Workload Size | Thread Groups | Best For |
|---|---|---|
| Small (64x64) | 16 | Low-latency tasks |
| Medium (512x512) | 1,024 | Image processing |
| Large (2048x2048) | 16,384 | Scientific computing |
| Massive (4096x4096) | 65,536 | Deep learning training |
Memory Performance Tests
Memory Bandwidth Test
Measures data transfer rates:
Test Method: Copy 4 GB of data between GPU buffers
Results by GPU Generation:
DDR5 (iGPU): 68 GB/s
GDDR5 (GTX 1060): 192 GB/s
GDDR6 (RTX 3060): 360 GB/s
GDDR6X (RTX 3080): 760 GB/s
GDDR6X (RTX 4090): 1,008 GB/s
HBM2 (AMD MI100): 1,230 GB/s
Bandwidth Requirements:
1080p gaming: 100-200 GB/s
1440p gaming: 250-400 GB/s
4K gaming: 500-700 GB/s
8K textures: 800+ GB/s
Professional 3D: 1,000+ GB/s
Texture Sampling Performance
Tests texture reading efficiency:
| Texture Size | Format | Samples/Frame | Performance Impact |
|---|---|---|---|
| 512x512 | DXT1 | 100M | Minimal |
| 2048x2048 | DXT5 | 500M | Low |
| 4096x4096 | BC7 | 2B | Medium |
| 8192x8192 | Uncompressed | 8B | High |
Stress and Stability Tests
Sustained Load Test
30-minute stress test monitoring thermal behavior:
Thermal Throttling Analysis:
Example: RTX 3070 with Stock Cooling
Time Temp Clock Power FPS % of Peak
0min 45°C 1920MHz 220W 120 100%
5min 68°C 1920MHz 220W 120 100%
10min 78°C 1890MHz 215W 118 98%
15min 84°C 1800MHz 205W 113 94%
20min 87°C 1740MHz 195W 109 91%
30min 88°C 1710MHz 190W 107 89%
Grade: B+ (minimal throttling, acceptable)
Example: Same GPU with Upgraded Cooling
Time Temp Clock Power FPS % of Peak
0min 42°C 1920MHz 220W 120 100%
30min 65°C 1920MHz 220W 120 100%
Grade: A+ (zero throttling)
Power Efficiency Test
Performance per watt comparison:
| GPU | Performance Score | Power Draw | Efficiency (pts/W) |
|---|---|---|---|
| RTX 3050 | 4,200 | 130W | 32.3 |
| RTX 3060 | 5,800 | 170W | 34.1 |
| RTX 4070 | 9,200 | 200W | 46.0 |
| RTX 4090 | 15,200 | 450W | 33.8 |
Insight: RTX 4070 offers best efficiency, while RTX 4090 sacrifices efficiency for raw performance.
Specialized Feature Tests
Ray Tracing Performance
Tests hardware ray tracing capabilities:
Test Scene: Cornell Box with Global Illumination
Rays per pixel: 4 (primary + shadows + reflections)
Resolution: 1920x1080
Results without RT Cores (Software):
GTX 1080 Ti: 12 FPS (100% GPU, extremely slow)
Results with RT Cores (Hardware):
RTX 2060: 28 FPS (RT Gen 2)
RTX 3070: 52 FPS (RT Gen 3)
RTX 4070: 88 FPS (RT Gen 4)
RTX 4080: 142 FPS (RT Gen 4, more cores)
Conclusion: Hardware RT is 5-10x faster than software
Tessellation Test
Evaluates geometry subdivision performance:
| Tessellation Factor | Input Triangles | Output Triangles | FPS (RTX 3070) |
|---|---|---|---|
| 2x | 100K | 400K | 165 |
| 4x | 100K | 1.6M | 145 |
| 8x | 100K | 6.4M | 98 |
| 16x | 100K | 25.6M | 52 |
Understanding the Scoring System
Weighted Composite Score
How individual tests combine into overall score:
Score Calculation Example:
Test Results:
- Rendering: 8,500 points × 0.35 weight = 2,975
- Compute: 7,200 points × 0.25 weight = 1,800
- Memory: 6,800 points × 0.20 weight = 1,360
- Stress: 8,100 points × 0.15 weight = 1,215
- Specialized: 5,500 points × 0.05 weight = 275
Overall Score: 7,625 points
Score Interpretation:
< 3,000: Entry-level, basic tasks
3,000-5,000: Budget gaming (1080p)
5,000-8,000: Mid-range gaming (1440p)
8,000-12,000: High-end gaming (4K/high refresh)
> 12,000: Enthusiast/professional
Percentile Rankings
Compare your score against the database:
| Percentile | Score Range | Description |
|---|---|---|
| Top 1% | 13,500+ | RTX 4090, extreme hardware |
| Top 5% | 11,000-13,500 | RTX 4080, high-end builds |
| Top 25% | 7,500-11,000 | RTX 4070/3080, enthusiast |
| Median (50%) | 5,200-7,500 | RTX 3060/4060, mainstream |
| Bottom 25% | 2,800-5,200 | GTX 1660/1650, budget |
Running the Complete Suite
Pre-Test Checklist
System Preparation:
☑ Update GPU drivers to latest version
☑ Close all background applications
☑ Set Windows power plan to "High Performance"
☑ Disable overlays (Discord, GeForce Experience, etc.)
☑ Clean GPU fans/heatsink if dusty
☑ Ensure adequate ventilation
☑ Stable internet connection (for WebGL tests)
☑ Use primary monitor at native resolution
Environmental Factors:
☑ Room temperature: 20-25°C optimal
☑ Consistent ambient temperature
☑ No direct sunlight on PC case
☑ Adequate clearance for airflow (10cm minimum)
Test Execution Timeline
Complete suite takes ~30 minutes:
00:00 - 00:02 System initialization
00:02 - 00:08 Rendering tests (6 minutes)
00:08 - 00:13 Compute tests (5 minutes)
00:13 - 00:17 Memory tests (4 minutes)
00:17 - 00:27 Stress test (10 minutes)
00:27 - 00:30 Specialized tests (3 minutes)
00:30 - 00:31 Score calculation and reporting
Total: 31 minutes for complete benchmark suite
Interpreting Your Results
Identifying Performance Bottlenecks
Scenario 1: Balanced Performance
Rendering: 8,200 (Good)
Compute: 7,800 (Good)
Memory: 8,500 (Good)
Stress: 8,100 (Good)
Specialized: 7,900 (Good)
→ Analysis: Well-balanced GPU, no bottlenecks
Scenario 2: Memory Bottleneck
Rendering: 8,500 (Good)
Compute: 8,200 (Good)
Memory: 4,800 (Poor) ← Problem!
Stress: 5,200 (Poor)
Specialized: 8,100 (Good)
→ Analysis: Insufficient VRAM or slow memory
→ Solution: Reduce texture quality, lower resolution
Scenario 3: Thermal Throttling
Rendering: 9,200 (Excellent)
Compute: 9,000 (Excellent)
Memory: 8,800 (Good)
Stress: 6,100 (Poor) ← Drops over time
Specialized: 8,900 (Good)
→ Analysis: Overheating during sustained load
→ Solution: Improve cooling, repaste GPU, increase fan speed
Conclusion: Leveraging Complete Suite Data
A comprehensive benchmarking suite provides insights no single test can reveal:
- ✓ Balanced performance: Identify weak areas before they impact real workloads
- ✓ Thermal behavior: Understand long-term stability under load
- ✓ Use case optimization: Match GPU capabilities to your specific needs
- ✓ Upgrade guidance: Determine whether CPU, GPU, or cooling needs improvement
- ✓ Troubleshooting: Pinpoint performance issues with precision
Best Practices:
- Run complete suite 3 times, average the results
- Monitor temperatures throughout all tests
- Compare individual test scores, not just overall
- Benchmark before and after system changes
- Keep results for long-term performance tracking
- Share results with community for database improvement
The complete suite reveals your GPU's true capabilities across all workload types, providing the data needed for informed decisions about settings, upgrades, and troubleshooting.