
GeForce 945A vs GeForce GTX 675M

GeForce 945A
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GeForce GTX 675M
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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 GeForce 945A is positioned at rank 262 and the GeForce GTX 675M is on rank 129, so the GeForce GTX 675M offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar GeForce 945A
Performance Per Dollar GeForce GTX 675M
Performance Comparison
About G3D Mark🏆 Chipversus Verdict
🚀 Performance Leadership
The GeForce GTX 675M is the superior choice for raw performance. It leads with a 0.2% higher G3D Mark score and 300% more VRAM (2 GB vs 512 MB). This advantage makes it significantly better for higher resolutions (1440p/4K) and graphic-intensive titles compared to the GeForce 945A.
| Insight | GeForce 945A | GeForce GTX 675M |
|---|---|---|
| Performance | ❌Lower raw frame rates (-0.2%) | ✅Leading raw performance (+0.2%) |
| Longevity | 🛑Obsolete Architecture (2015 / Maxwell (2014−2017)) | 🛑Obsolete Architecture (2012 / Fermi 2.0 (2010−2014)) |
| Ecosystem | Supports FSR Upscaling | Supports FSR Upscaling |
| VRAM | ❌ Less VRAM capacity | ✅ More VRAM (+300%) |
| Efficiency | 💡 Excellent Perf/Watt | ⚡ Higher Power Consumption |
| Case Fit | — | — |
💎 Value Proposition
While current pricing data is unavailable, the GeForce GTX 675M 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 GeForce 945A and GeForce GTX 675M

GeForce 945A
The GeForce 945A is manufactured by NVIDIA. It was released in March 13 2015. It features the Maxwell architecture. The core clock ranges from 1006 MHz to 1189 MHz. It has 384 shading units. The thermal design power (TDP) is 33W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 1,852 points.

GeForce GTX 675M
The GeForce GTX 675M is manufactured by NVIDIA. It was released in March 22 2012. It features the Fermi 2.0 architecture. The core clock speed is 620 MHz. It has 384 shading units. The thermal design power (TDP) is 100W. Manufactured using 40 nm process technology. G3D Mark benchmark score: 1,855 points.
Graphics Performance
The GeForce 945A scores 1,852 and the GeForce GTX 675M reaches 1,855 in the G3D Mark benchmark — just a 0.2% difference, making them near-identical in rasterization performance. The GeForce 945A is built on Maxwell while the GeForce GTX 675M uses Fermi 2.0, both on 28 nm vs 40 nm. Shader units: 384 (GeForce 945A) vs 384 (GeForce GTX 675M). Raw compute: 0.9132 TFLOPS (GeForce 945A) vs 0.9523 TFLOPS (GeForce GTX 675M).
| Feature | GeForce 945A | GeForce GTX 675M |
|---|---|---|
| G3D Mark Score | 1,852 | 1,855 |
| Architecture | Maxwell | Fermi 2.0 |
| Process Node | 28 nm | 40 nm |
| Shading Units | 384 | 384 |
| Compute (TFLOPS) | 0.9132 TFLOPS | 0.9523 TFLOPS+4% |
| ROPs | 8 | 32+300% |
| TMUs | 24 | 64+167% |
| L1 Cache | 192 KB | 512 KB+167% |
| L2 Cache | 1 MB+100% | 0.5 MB |
Advanced Features (DLSS/FSR)
| Feature | GeForce 945A | GeForce GTX 675M |
|---|---|---|
| Upscaling Tech | FSR 1.0 (Software) | FSR 2.1 (Compatible) |
| Frame Generation | Not Supported | FSR 3 (Compatible) |
| Ray Reconstruction | No | No |
| Low Latency | Standard | Standard |
Video Memory (VRAM)
The GeForce 945A comes with 512 MB of VRAM, while the GeForce GTX 675M has 2 GB. The GeForce GTX 675M offers 300% more capacity, crucial for higher resolutions and texture-heavy games. Bus width: 128-bit vs 256-bit. L2 Cache: 1 MB (GeForce 945A) vs 0.5 MB (GeForce GTX 675M) — the GeForce 945A has significantly larger on-die cache to reduce VRAM reliance.
| Feature | GeForce 945A | GeForce GTX 675M |
|---|---|---|
| VRAM Capacity | 0.5 GB | 2 GB+300% |
| Memory Type | GDDR5 | GDDR5 |
| Memory Bandwidth | Unknown | 96 GB/s |
| Bus Width | 128-bit | 256-bit+100% |
| L2 Cache | 1 MB+100% | 0.5 MB |
Display & API Support
DirectX support: 12 (11_0) (GeForce 945A) vs 12 (11_0) (GeForce GTX 675M). OpenGL: 4.6 vs 4.5. Maximum simultaneous displays: 2 vs 3.
| Feature | GeForce 945A | GeForce GTX 675M |
|---|---|---|
| DirectX | 12 (11_0) | 12 (11_0) |
| OpenGL | 4.6+2% | 4.5 |
| Max Displays | 2 | 3+50% |
Media & Encoding
Hardware encoder: 4th Gen NVENC (Maxwell) (GeForce 945A) vs No NVENC (Fermi) (GeForce GTX 675M). Decoder: PureVideo HD VP6 vs PureVideo HD VP4. Supported codecs: H.264,HEVC (GeForce 945A) vs H.264,VC-1,MPEG-2 (GeForce GTX 675M).
| Feature | GeForce 945A | GeForce GTX 675M |
|---|---|---|
| Encoder | 4th Gen NVENC (Maxwell) | No NVENC (Fermi) |
| Decoder | PureVideo HD VP6 | PureVideo HD VP4 |
| Codecs | H.264,HEVC | H.264,VC-1,MPEG-2 |
Power & Dimensions
The GeForce 945A draws 33W versus the GeForce GTX 675M's 100W — a 100.8% difference. The GeForce 945A is more power-efficient. Recommended PSU: 350W (GeForce 945A) vs 350W (GeForce GTX 675M). Power connectors: Legacy vs 1x 6-pin. Typical load temperature: 80°C vs 82°C.
| Feature | GeForce 945A | GeForce GTX 675M |
|---|---|---|
| TDP | 33W-67% | 100W |
| Recommended PSU | 350W | 350W |
| Power Connector | Legacy | 1x 6-pin |
| Slots | 0 | 0 |
| Temp (Load) | 80°C-2% | 82°C |
| Perf/Watt | 56.1+202% | 18.6 |
Value Analysis
The GeForce 945A is the newer GPU (2015 vs 2012).
| Feature | GeForce 945A | GeForce GTX 675M |
|---|---|---|
| MSRP | $100 | — |
| Avg Price (30d) | $25 | — |
| Codename | GM108 | GF114 |
| Release | March 13 2015 | March 22 2012 |
| Ranking | #705 | #704 |
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