
Radeon HD 7870 XT vs Tesla K40c

Radeon HD 7870 XT
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Tesla K40c
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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 Tesla K40c
Performance Comparison
About G3D Mark🏆 Chipversus Verdict
🚀 Performance Leadership
The Tesla K40c is the superior choice for raw performance. It leads with a 0.6% higher G3D Mark score. This advantage makes it significantly better for higher resolutions (1440p/4K) and graphic-intensive titles compared to the Radeon HD 7870 XT.
| Insight | Radeon HD 7870 XT | Tesla K40c |
|---|---|---|
| Performance | ❌Lower raw frame rates (-0.6%) | ✅Leading raw performance (+0.6%) |
| Longevity | 🛑Obsolete Architecture (2012 / GCN 1.0 (2012−2020)) | 🛑Obsolete Architecture (2013 / Kepler (2012−2018)) |
| Ecosystem | Supports FSR Upscaling | Supports FSR Upscaling |
| VRAM | ❌ Less VRAM capacity | ✅ More VRAM (+0%) |
| Efficiency | 💡 Excellent Perf/Watt | ⚡ Higher Power Consumption |
| Case Fit | Standard Size (267mm) | Standard Size (267mm) |
💎 Value Proposition
The Radeon HD 7870 XT offers a compelling cost-to-performance ratio. While both GPUs are considered legacy components by modern standards, the Radeon HD 7870 XT holds the technical lead. Priced at $270 (vs $500), it costs 46% less, resulting in a 84.2% higher cost efficiency score.
| Insight | Radeon HD 7870 XT | Tesla K40c |
|---|---|---|
| Cost Efficiency | ✅Better overall value (+84.2%) | ❌Lower cost efficiency |
| Upfront Cost | ✅More affordable ($270) | ⚠️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 7870 XT and Tesla K40c

Radeon HD 7870 XT
The Radeon HD 7870 XT is manufactured by AMD. It was released in November 19 2012. It features the GCN 1.0 architecture. The core clock ranges from 925 MHz to 975 MHz. It has 1536 shading units. The thermal design power (TDP) is 185W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 4,470 points. Launch price was $270.

Tesla K40c
The Tesla K40c is manufactured by NVIDIA. It was released in October 8 2013. It features the Kepler architecture. The core clock ranges from 745 MHz to 876 MHz. It has 2880 shading units. The thermal design power (TDP) is 245W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 4,495 points. Launch price was $7,699.
Graphics Performance
The Radeon HD 7870 XT scores 4,470 and the Tesla K40c reaches 4,495 in the G3D Mark benchmark — just a 0.6% difference, making them near-identical in rasterization performance. The Radeon HD 7870 XT is built on GCN 1.0 while the Tesla K40c uses Kepler, both on a 28 nm process. Shader units: 1,536 (Radeon HD 7870 XT) vs 2,880 (Tesla K40c). Raw compute: 2.995 TFLOPS (Radeon HD 7870 XT) vs 5.046 TFLOPS (Tesla K40c). Boost clocks: 975 MHz vs 876 MHz.
| Feature | Radeon HD 7870 XT | Tesla K40c |
|---|---|---|
| G3D Mark Score | 4,470 | 4,495 |
| Architecture | GCN 1.0 | Kepler |
| Process Node | 28 nm | 28 nm |
| Shading Units | 1536 | 2880+88% |
| Compute (TFLOPS) | 2.995 TFLOPS | 5.046 TFLOPS+68% |
| Boost Clock | 975 MHz+11% | 876 MHz |
| ROPs | 32 | 48+50% |
| TMUs | 96 | 240+150% |
| L1 Cache | 384 KB+60% | 240 KB |
| L2 Cache | 0.5 MB | 1.5 MB+200% |
Advanced Features (DLSS/FSR)
| Feature | Radeon HD 7870 XT | Tesla K40c |
|---|---|---|
| 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: 256-bit vs 64-bit. L2 Cache: 0.5 MB (Radeon HD 7870 XT) vs 1.5 MB (Tesla K40c) — the Tesla K40c has significantly larger on-die cache to reduce VRAM reliance.
| Feature | Radeon HD 7870 XT | Tesla K40c |
|---|---|---|
| VRAM Capacity | 2 GB | 2 GB |
| Memory Type | GDDR5 | GDDR5 |
| Bus Width | 256-bit+300% | 64-bit |
| L2 Cache | 0.5 MB | 1.5 MB+200% |
Display & API Support
DirectX support: 12 (11_1) (Radeon HD 7870 XT) vs 11_0 (Tesla K40c). Maximum simultaneous displays: 4 vs 0.
| Feature | Radeon HD 7870 XT | Tesla K40c |
|---|---|---|
| DirectX | 12 (11_1)+9% | 11_0 |
| Max Displays | 4 | 0 |
Power & Dimensions
The Radeon HD 7870 XT draws 185W versus the Tesla K40c's 245W — a 27.9% difference. The Radeon HD 7870 XT is more power-efficient. Recommended PSU: 500W (Radeon HD 7870 XT) vs 350W (Tesla K40c). Power connectors: 2x 6-pin vs PCIe-powered. Card length: 267mm vs 267mm, occupying 2 vs 2 slots.
| Feature | Radeon HD 7870 XT | Tesla K40c |
|---|---|---|
| TDP | 185W-24% | 245W |
| Recommended PSU | 500W | 350W-30% |
| Power Connector | 2x 6-pin | PCIe-powered |
| Length | 267mm | 267mm |
| Height | 111mm | — |
| Slots | 2 | 2 |
| Temp (Load) | 80 | — |
| Perf/Watt | 24.2+32% | 18.3 |
Value Analysis
The Radeon HD 7870 XT launched at $270 MSRP and currently averages $270, while the Tesla K40c launched at $7699 and now averages $500. The Radeon HD 7870 XT costs 46% less ($230 savings) at current market prices. Performance per dollar (G3D Mark / price): 16.6 (Radeon HD 7870 XT) vs 9.0 (Tesla K40c) — the Radeon HD 7870 XT offers 84.4% better value. The Tesla K40c is the newer GPU (2013 vs 2012).
| Feature | Radeon HD 7870 XT | Tesla K40c |
|---|---|---|
| MSRP | $270-96% | $7699 |
| Avg Price (30d) | $270-46% | $500 |
| Performance per Dollar | 16.6+84% | 9.0 |
| Codename | Tahiti | GK180 |
| Release | November 19 2012 | October 8 2013 |
| Ranking | #469 | #465 |
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