
Tesla K8 vs Radeon R9 M395X

Tesla K8
Popular choices:

Radeon R9 M395X
Popular choices:
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. The Tesla K8 is positioned at rank 208 and the Radeon R9 M395X is on rank 391, so the Tesla K8 offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Tesla K8
Performance Per Dollar Radeon R9 M395X
Performance Comparison
About G3D Mark🏆 Chipversus Verdict
🚀 Performance Leadership
The Radeon R9 M395X is the superior choice for raw performance. It leads with a 0.2% higher G3D Mark score. This advantage makes it significantly better for higher resolutions (1440p/4K) and graphic-intensive titles compared to the Tesla K8.
| Insight | Tesla K8 | Radeon R9 M395X |
|---|---|---|
| Performance | ❌Lower raw frame rates (-0.2%) | ✅Leading raw performance (+0.2%) |
| Longevity | 🛑Obsolete Architecture (2014 / Kepler (2012−2018)) | 🛑Obsolete Architecture (2015 / GCN 3.0 (2014−2019)) |
| Ecosystem | Supports FSR Upscaling | Supports FSR Upscaling |
| VRAM | ❌ Less VRAM capacity | ✅ More VRAM (+0%) |
| Efficiency | ⚡ Higher Power Consumption | 💡 Excellent Perf/Watt |
| Case Fit | — | — |
💎 Value Proposition
The Tesla K8 offers a compelling cost-to-performance ratio. While both GPUs are considered legacy components by modern standards, the Tesla K8 holds the technical lead. Priced at $100 (vs $150), it costs 33% less, resulting in a 49.7% higher cost efficiency score.
| Insight | Tesla K8 | Radeon R9 M395X |
|---|---|---|
| Cost Efficiency | ✅Better overall value (+49.7%) | ❌Lower cost efficiency |
| Upfront Cost | ✅More affordable ($100) | ⚠️Higher upfront cost ($150) |
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 Tesla K8 and Radeon R9 M395X

Tesla K8
The Tesla K8 is manufactured by NVIDIA. It was released in September 16 2014. It features the Kepler architecture. The core clock ranges from 693 MHz to 811 MHz. It has 1536 shading units. The thermal design power (TDP) is 100W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 5,111 points.

Radeon R9 M395X
The Radeon R9 M395X is manufactured by AMD. It was released in May 5 2015. It features the GCN 3.0 architecture. The core clock speed is 723 MHz. It has 2048 shading units. The thermal design power (TDP) is 75W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 5,120 points.
Graphics Performance
The Tesla K8 scores 5,111 and the Radeon R9 M395X reaches 5,120 in the G3D Mark benchmark — just a 0.2% difference, making them near-identical in rasterization performance. The Tesla K8 is built on Kepler while the Radeon R9 M395X uses GCN 3.0, both on a 28 nm process. Shader units: 1,536 (Tesla K8) vs 2,048 (Radeon R9 M395X). Raw compute: 2.491 TFLOPS (Tesla K8) vs 2.961 TFLOPS (Radeon R9 M395X).
| Feature | Tesla K8 | Radeon R9 M395X |
|---|---|---|
| G3D Mark Score | 5,111 | 5,120 |
| Architecture | Kepler | GCN 3.0 |
| Process Node | 28 nm | 28 nm |
| Shading Units | 1536 | 2048+33% |
| Compute (TFLOPS) | 2.491 TFLOPS | 2.961 TFLOPS+19% |
| ROPs | 32 | 32 |
| TMUs | 128 | 128 |
| L1 Cache | 128 KB | 512 KB+300% |
| L2 Cache | 512 KB | 512 KB |
Advanced Features (DLSS/FSR)
| Feature | Tesla K8 | Radeon R9 M395X |
|---|---|---|
| Upscaling Tech | FSR 1.0 (Software) | FSR 1.0 (Software) |
| Frame Generation | Not Supported | Not Supported |
| Ray Reconstruction | No | No |
| Low Latency | Standard | AMD Anti-Lag |
Video Memory (VRAM)
Both cards feature 4 GB of video memory. Bus width: 128-bit vs 256-bit.
| Feature | Tesla K8 | Radeon R9 M395X |
|---|---|---|
| VRAM Capacity | 4 GB | 4 GB |
| Memory Type | GDDR6 | GDDR5 |
| Bus Width | 128-bit | 256-bit+100% |
| L2 Cache | 512 KB | 512 KB |
Power & Dimensions
The Tesla K8 draws 100W versus the Radeon R9 M395X's 75W — a 28.6% difference. The Radeon R9 M395X is more power-efficient. Recommended PSU: 350W (Tesla K8) vs 350W (Radeon R9 M395X). Power connectors: PCIe-powered vs Mobile.
| Feature | Tesla K8 | Radeon R9 M395X |
|---|---|---|
| TDP | 100W | 75W-25% |
| Recommended PSU | 350W | 350W |
| Power Connector | PCIe-powered | Mobile |
| Perf/Watt | 51.1 | 68.3+34% |
Value Analysis
The Tesla K8 launched at $1000 MSRP and currently averages $100, while the Radeon R9 M395X launched at $600 and now averages $150. The Tesla K8 costs 33.3% less ($50 savings) at current market prices. Performance per dollar (G3D Mark / price): 51.1 (Tesla K8) vs 34.1 (Radeon R9 M395X) — the Tesla K8 offers 49.9% better value. The Radeon R9 M395X is the newer GPU (2015 vs 2014).
| Feature | Tesla K8 | Radeon R9 M395X |
|---|---|---|
| MSRP | $1000 | $600-40% |
| Avg Price (30d) | $100-33% | $150 |
| Performance per Dollar | 51.1+50% | 34.1 |
| Codename | GK104 | Amethyst |
| Release | September 16 2014 | May 5 2015 |
| Ranking | #515 | #438 |
Top Performing GPUs
The most powerful gpus ranked by G3D Mark benchmark scores.
















