Radeon HD 4850 X2 vs GeForce 840M
Radeon HD 4850 X2
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GeForce 840M
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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. The Radeon HD 4850 X2 is positioned at rank 291 and the GeForce 840M is on rank 352, so the Radeon HD 4850 X2 offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Radeon HD 4850 X2
Performance Per Dollar GeForce 840M
Performance Comparison
About G3D Mark🏆 Chipversus Verdict
⚠️ Generational Difference
The GeForce 840M is significantly newer (2014 vs 2008). The GeForce 840M likely supports modern features like Ray Tracing, Tensor Cores, and DLSS/FSR upscaling, which act as force multipliers for performance. The Radeon HD 4850 X2 lacks this hardware feature set, limiting its longevity in modern titles despite any raw power similarities.
🚀 Performance Leadership
The Radeon HD 4850 X2 is the superior choice for raw performance. It leads with a 2.9% higher G3D Mark score. However, the GeForce 840M offers more VRAM, which may be beneficial for texture-heavy scenarios at higher resolutions.
| Insight | Radeon HD 4850 X2 | GeForce 840M |
|---|---|---|
| Performance | ✅Leading raw performance (+2.9%) | ❌Lower raw frame rates (-2.9%) |
| Longevity | 🛑Obsolete Architecture (2008 / TeraScale (2005−2013)) | 🛑Obsolete Architecture (2014 / Maxwell (2014−2017)) |
| Ecosystem | Supports FSR Upscaling | Supports FSR Upscaling |
| VRAM | ❌ Less VRAM capacity | ✅ More VRAM (+100%) |
| Efficiency | ⚡ Higher Power Consumption | 💡 Excellent Perf/Watt |
| Case Fit | Standard Size (267mm) | — |
💎 Value Proposition
While current pricing data is unavailable, the Radeon HD 4850 X2 remains the clear technical winner. Check real-time availability to determine if the performance gap justifies the market price.
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 4850 X2 and GeForce 840M
Radeon HD 4850 X2
The Radeon HD 4850 X2 is manufactured by AMD. It was released in November 7 2008. It features the TeraScale architecture. The core clock speed is 625 MHz. It has 800 ×2 shading units. The thermal design power (TDP) is 250W. Manufactured using 55 nm process technology. G3D Mark benchmark score: 1,132 points. Launch price was $420.
GeForce 840M
The GeForce 840M is manufactured by NVIDIA. It was released in March 12 2014. It features the Maxwell architecture. The core clock ranges from 1029 MHz to 1124 MHz. It has 384 shading units. The thermal design power (TDP) is 33W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 1,100 points.
Graphics Performance
The Radeon HD 4850 X2 scores 1,132 and the GeForce 840M reaches 1,100 in the G3D Mark benchmark — just a 2.9% difference, making them near-identical in rasterization performance. The Radeon HD 4850 X2 is built on TeraScale while the GeForce 840M uses Maxwell, both on 55 nm vs 28 nm. Shader units: 800 (Radeon HD 4850 X2) vs 384 (GeForce 840M). Raw compute: 1 TFLOPS ×2 (Radeon HD 4850 X2) vs 0.8632 TFLOPS (GeForce 840M).
| Feature | Radeon HD 4850 X2 | GeForce 840M |
|---|---|---|
| G3D Mark Score | 1,132+3% | 1,100 |
| Architecture | TeraScale | Maxwell |
| Process Node | 55 nm | 28 nm |
| Shading Units | 800 ×2+108% | 384 |
| Compute (TFLOPS) | 1 TFLOPS ×2+16% | 0.8632 TFLOPS |
| ROPs | 16 ×2+100% | 8 |
| TMUs | 40 ×2+150% | 16 |
| L1 Cache | 160 KB | 192 KB+20% |
| L2 Cache | 0.25 MB | 1 MB+300% |
Advanced Features (DLSS/FSR)
| Feature | Radeon HD 4850 X2 | GeForce 840M |
|---|---|---|
| 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)
The Radeon HD 4850 X2 comes with 1 GB of VRAM, while the GeForce 840M has 2 GB. The GeForce 840M offers 100% more capacity, crucial for higher resolutions and texture-heavy games. Bus width: 64-bit vs 128-bit. L2 Cache: 0.25 MB (Radeon HD 4850 X2) vs 1 MB (GeForce 840M) — the GeForce 840M has significantly larger on-die cache to reduce VRAM reliance.
| Feature | Radeon HD 4850 X2 | GeForce 840M |
|---|---|---|
| VRAM Capacity | 1 GB | 2 GB+100% |
| Memory Type | GDDR5 | GDDR5 |
| Memory Bandwidth | Unknown | Unknown |
| Bus Width | 64-bit | 128-bit+100% |
| L2 Cache | 0.25 MB | 1 MB+300% |
Display & API Support
DirectX support: 10.1 (Radeon HD 4850 X2) vs 11.0 (GeForce 840M). Vulkan: N/A vs 1.2. OpenGL: 3.3 vs 4.5. Maximum simultaneous displays: 4 vs 1.
| Feature | Radeon HD 4850 X2 | GeForce 840M |
|---|---|---|
| DirectX | 10.1 | 11.0+9% |
| Vulkan | N/A | 1.2 |
| OpenGL | 3.3 | 4.5+36% |
| Max Displays | 4+300% | 1 |
Media & Encoding
Hardware encoder: None (Radeon HD 4850 X2) vs NVENC 2.0 (GeForce 840M). Decoder: UVD 2.2 vs PureVideo HD VP6. Supported codecs: MPEG-2,VC-1,H.264 (Radeon HD 4850 X2) vs MPEG-2,H.264,VC-1,MPEG-4 ASP,H.265 (GeForce 840M).
| Feature | Radeon HD 4850 X2 | GeForce 840M |
|---|---|---|
| Encoder | None | NVENC 2.0 |
| Decoder | UVD 2.2 | PureVideo HD VP6 |
| Codecs | MPEG-2,VC-1,H.264 | MPEG-2,H.264,VC-1,MPEG-4 ASP,H.265 |
Power & Dimensions
The Radeon HD 4850 X2 draws 250W versus the GeForce 840M's 33W — a 153.4% difference. The GeForce 840M is more power-efficient. Recommended PSU: 500W (Radeon HD 4850 X2) vs 350W (GeForce 840M). Power connectors: 1x 6-pin + 1x 8-pin vs Legacy. Card length: 267mm vs 0mm, occupying 2 vs 0 slots. Typical load temperature: 95 vs 75°C.
| Feature | Radeon HD 4850 X2 | GeForce 840M |
|---|---|---|
| TDP | 250W | 33W-87% |
| Recommended PSU | 500W | 350W-30% |
| Power Connector | 1x 6-pin + 1x 8-pin | Legacy |
| Length | 267mm | 0mm |
| Height | 111mm | 0mm |
| Slots | 2 | 0-100% |
| Temp (Load) | 95 | 75°C-21% |
| Perf/Watt | 4.5 | 33.3+640% |
Value Analysis
The GeForce 840M is the newer GPU (2014 vs 2008).
| Feature | Radeon HD 4850 X2 | GeForce 840M |
|---|---|---|
| MSRP | $399 | — |
| Avg Price (30d) | $40 | — |
| Codename | R700 | GM108 |
| Release | November 7 2008 | March 12 2014 |
| Ranking | #848 | #854 |
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