
Radeon HD 6990 vs Tesla C2075

Radeon HD 6990
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Tesla C2075
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Performance Spectrum - GPU
About G3D Mark
G3D Mark is a standard benchmark that measures graphics performance in real-world gaming scenarios. It simplifies comparing cards from different brands, where higher scores directly correlate with better fps and smoother gaming experiences.
Value Upgrade Path
This is the official ChipVERSUS Value Rating, comparing raw performance (G3D Mark) per dollar. Components placed above yours deliver better value for money.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar
Performance Per Dollar
Performance Comparison
About G3D Mark🏆 Chipversus Verdict
🚀 Performance Leadership
The Tesla C2075 is the superior choice for raw performance. It leads with a 0.1% higher G3D Mark score. This advantage makes it significantly better for higher resolutions (1440p/4K) and graphic-intensive titles compared to the Radeon HD 6990.
| Insight | Radeon HD 6990 | Tesla C2075 |
|---|---|---|
| Performance | ❌Lower raw frame rates (-0.1%) | ✅Leading raw performance (+0.1%) |
| Longevity | 🛑Obsolete Architecture (2011 / TeraScale 3 (2010−2013)) | 🛑Obsolete Architecture (2011 / Fermi 2.0 (2010−2014)) |
| Ecosystem | Supports FSR Upscaling | Supports FSR Upscaling |
| VRAM | ❌ Less VRAM capacity | ✅ More VRAM (+0%) |
| Efficiency | ⚡ Higher Power Consumption | 💡 Excellent Perf/Watt |
| Case Fit | Standard Size (310mm) | — |
💎 Value Proposition
The Radeon HD 6990 offers a compelling cost-to-performance ratio. While both GPUs are considered legacy components by modern standards, the Radeon HD 6990 holds the technical lead. Priced at $498 (vs $500), it costs 0% less, resulting in a 0.3% higher cost efficiency score.
| Insight | Radeon HD 6990 | Tesla C2075 |
|---|---|---|
| Cost Efficiency | ✅Better overall value (+0.3%) | ❌Lower cost efficiency |
| Upfront Cost | ✅More affordable ($498) | ⚠️Higher upfront cost ($500) |
Performance Check
Real-world benchmarks and performance projections based on comprehensive hardware analysis and comparative metrics. Values represent expected performance on High/Ultra settings at 1080p, 1440p, and 4K. Modeled using a Ryzen 7 7800X3D reference profile to minimize specific CPU bottlenecks.
Note: Performance behavior can vary per game. Specific architectures may perform better or worse depending on game engine optimizations and API implementation.
Technical Specifications
Side-by-side comparison of Radeon HD 6990 and Tesla C2075

Radeon HD 6990
The Radeon HD 6990 is manufactured by AMD. It was released in March 8 2011. It features the TeraScale 3 architecture. The core clock speed is 830 MHz. It has 1536 ×2 shading units. The thermal design power (TDP) is 375W. Manufactured using 40 nm process technology. G3D Mark benchmark score: 3,014 points. Launch price was $699.

Tesla C2075
The Tesla C2075 is manufactured by NVIDIA. It was released in July 25 2011. It features the Fermi 2.0 architecture. The core clock speed is 574 MHz. It has 448 shading units. The thermal design power (TDP) is 247W. Manufactured using 40 nm process technology. G3D Mark benchmark score: 3,017 points.
Graphics Performance
The Radeon HD 6990 scores 3,014 and the Tesla C2075 reaches 3,017 in the G3D Mark benchmark — just a 0.1% difference, making them near-identical in rasterization performance. The Radeon HD 6990 is built on TeraScale 3 while the Tesla C2075 uses Fermi 2.0, both on a 40 nm process. Shader units: 1,536 (Radeon HD 6990) vs 448 (Tesla C2075). Raw compute: 2.55 TFLOPS ×2 (Radeon HD 6990) vs 1.028 TFLOPS (Tesla C2075).
| Feature | Radeon HD 6990 | Tesla C2075 |
|---|---|---|
| G3D Mark Score | 3,014 | 3,017 |
| Architecture | TeraScale 3 | Fermi 2.0 |
| Process Node | 40 nm | 40 nm |
| Shading Units | 1536 ×2+243% | 448 |
| Compute (TFLOPS) | 2.55 TFLOPS ×2+148% | 1.028 TFLOPS |
| ROPs | 32 ×2 | 48+50% |
| TMUs | 96 ×2+71% | 56 |
| L1 Cache | 384 KB | 896 KB+133% |
| L2 Cache | 512 KB | 768 KB+50% |
Advanced Features (DLSS/FSR)
| Feature | Radeon HD 6990 | Tesla C2075 |
|---|---|---|
| Upscaling Tech | FSR 1.0 (Software) | FSR 1.0 (Software) |
| Frame Generation | Not Supported | Not Supported |
| Ray Reconstruction | No | No |
| Low Latency | AMD Anti-Lag | Standard |
Video Memory (VRAM)
Both cards feature 2 GB of GDDR5. Bus width: 128-bit vs 64-bit. L2 Cache: 512 KB (Radeon HD 6990) vs 768 KB (Tesla C2075) — the Tesla C2075 has significantly larger on-die cache to reduce VRAM reliance.
| Feature | Radeon HD 6990 | Tesla C2075 |
|---|---|---|
| VRAM Capacity | 2 GB | 2 GB |
| Memory Type | GDDR5 | GDDR5 |
| Bus Width | 128-bit+100% | 64-bit |
| L2 Cache | 512 KB | 768 KB+50% |
Display & API Support
DirectX support: 11.2 (Radeon HD 6990) vs 12 (11_0) (Tesla C2075). OpenGL: 4.4 vs 4.6. Maximum simultaneous displays: 5 vs 1.
| Feature | Radeon HD 6990 | Tesla C2075 |
|---|---|---|
| DirectX | 11.2 | 12 (11_0)+7% |
| OpenGL | 4.4 | 4.6+5% |
| Max Displays | 5+400% | 1 |
Media & Encoding
Supported codecs: H.264,VC-1,MPEG-2,MPEG-4 (Radeon HD 6990) vs H.264,VC-1,MPEG-2 (Tesla C2075).
| Feature | Radeon HD 6990 | Tesla C2075 |
|---|---|---|
| Encoder | None | — |
| Decoder | UVD 3.0 | — |
| Codecs | H.264,VC-1,MPEG-2,MPEG-4 | H.264,VC-1,MPEG-2 |
Power & Dimensions
The Radeon HD 6990 draws 375W versus the Tesla C2075's 247W — a 41.2% difference. The Tesla C2075 is more power-efficient. Recommended PSU: 750W (Radeon HD 6990) vs 350W (Tesla C2075). Power connectors: 2x 8-pin vs PCIe-powered. Typical load temperature: 85 vs 85°C.
| Feature | Radeon HD 6990 | Tesla C2075 |
|---|---|---|
| TDP | 375W | 247W-34% |
| Recommended PSU | 750W | 350W-53% |
| Power Connector | 2x 8-pin | PCIe-powered |
| Length | 310mm | — |
| Height | 115mm | — |
| Slots | 2 | 2 |
| Temp (Load) | 85 | 85°C |
| Perf/Watt | 8.0 | 12.2+52% |
Value Analysis
The Radeon HD 6990 launched at $699 MSRP and currently averages $498, while the Tesla C2075 launched at $0 and now averages $500. The Radeon HD 6990 costs 0.4% less ($2 savings) at current market prices. Performance per dollar (G3D Mark / price): 6.1 (Radeon HD 6990) vs 6.0 (Tesla C2075) — the Radeon HD 6990 offers 1.7% better value.
| Feature | Radeon HD 6990 | Tesla C2075 |
|---|---|---|
| MSRP | $699 | $0-100% |
| Avg Price (30d) | $498 | $500 |
| Performance per Dollar | 6.1+2% | 6.0 |
| Codename | Antilles | GF110 |
| Release | March 8 2011 | July 25 2011 |
| Ranking | #583 | #553 |
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