FirePro 3D V7800
GeForce GTX 645
FirePro 3D V7800 vs GeForce GTX 645 Performance Spectrum
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.
FirePro 3D V7800 vs GeForce GTX 645 FPS Benchmarks
Predicted gaming performance across popular games. Tested paired with Ryzen 7 9800X3D to isolate GPU performance.
Search any supported game below to compare 1080p FPS for both components.
Path of Exile 2
Counter-Strike 2
League of Legends
FirePro 3D V7800 vs GeForce GTX 645: Pros, Cons & Final Verdict
See where each GPU makes more sense in practice: raw FPS, VRAM, features, power draw, pricing, and long-term headroom.
FirePro 3D V7800
2014Why buy it
- ✅100% more VRAM for high-resolution textures and newer games (2 GB vs 1 GB).
- ✅More future proof: GCN 1.0 (2012−2020) on 28nm with a newer platform for upcoming games.
Trade-offs
- ❌2014 hardware with 2 GB of VRAM is already well past its comfortable zone for modern gaming, so it is hard to recommend now.
- ❌406% HIGHER MSRP$759 MSRPvs$150 MSRP
- ❌Lower G3D Mark per dollar, at 2.5 vs 12.5 G3D/$ ($759 MSRP vs $150 MSRP).
- ❌37% higher power demand at 274W vs 200W.
- ❌72.8% longer card at 254mm vs 147mm.
GeForce GTX 645
2010Why buy it
- ✅Costs $609 less on MSRP ($150 MSRP vs $759 MSRP).
- ✅Delivers 409.5% more G3D Mark for each dollar spent, at 12.5 vs 2.5 G3D/$ ($150 MSRP vs $759 MSRP).
- ✅Draws 200W instead of 274W, a 74W reduction.
- ✅Measures 147mm instead of 254mm, a 107mm shorter card that is more SFF-friendly.
Trade-offs
- ❌Less VRAM, with 1 GB vs 2 GB for high-resolution textures and newer games.
- ❌2010 hardware with 1 GB of VRAM is already well past its comfortable zone for modern gaming, so it is hard to recommend now.
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FirePro 3D V7800 vs GeForce GTX 645 Technical Specifications
Side-by-side specs, architecture details, clocks, memory, power, and platform differences.
FirePro 3D V7800
The FirePro 3D V7800 is manufactured by AMD. It was released in January 18 2014. It features the GCN 1.0 architecture. The core clock speed is 850 MHz. It has 2048 shading units. The thermal design power (TDP) is 274W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 1,867 points.
GeForce GTX 645
The GeForce GTX 645 is manufactured by NVIDIA. It was released in May 31 2010. It features the Fermi architecture. The core clock speed is 607 MHz. It has 352 shading units. The thermal design power (TDP) is 200W. Manufactured using 40 nm process technology. G3D Mark benchmark score: 1,880 points. Launch price was $279.
Graphics Performance
The FirePro 3D V7800 scores 1,867 and the GeForce GTX 645 reaches 1,880 in the G3D Mark benchmark — just a 0.7% difference, making them near-identical in rasterization performance. The FirePro 3D V7800 is built on GCN 1.0 while the GeForce GTX 645 uses Fermi, both on 28 nm vs 40 nm. Shader units: 2,048 (FirePro 3D V7800) vs 352 (GeForce GTX 645). Raw compute: 3.482 TFLOPS (FirePro 3D V7800) vs 0.8554 TFLOPS (GeForce GTX 645).
| Feature | FirePro 3D V7800 | GeForce GTX 645 |
|---|---|---|
| G3D Mark Score | 1,867 | 1,880 |
| Architecture | GCN 1.0 | Fermi |
| Process Node | 28 nm | 40 nm |
| Shading Units | 2048+482% | 352 |
| Compute (TFLOPS) | 3.482 TFLOPS+307% | 0.8554 TFLOPS |
| ROPs | 32 | 32 |
| TMUs | 128+191% | 44 |
| L1 Cache | 512 KB | 704 KB+38% |
| L2 Cache | 768 KB+50% | 512 KB |
Advanced Features (DLSS/FSR)
The GeForce GTX 645 gets NVIDIA DLSS, which still tends to look cleaner in motion. The FirePro 3D V7800 leans on FSR, which is flexible and widely supported, but usually a bit rougher at the same settings.
| Feature | FirePro 3D V7800 | GeForce GTX 645 |
|---|---|---|
| Upscaling Tech | Upscaling support | Upscaling support |
| Frame Generation | Not Supported | Not Supported |
| Ray Reconstruction | No | No |
| Low Latency | Standard | NVIDIA Reflex |
Video Memory (VRAM)
The FirePro 3D V7800 has 2 GB of VRAM, while the GeForce GTX 645 carries 1 GB. FirePro 3D V7800 gives you 100% more memory capacity, which matters more once you move into heavier textures, mods, or higher resolutions. Memory bus width is 64-bit on the FirePro 3D V7800 and 128-bit on the GeForce GTX 645. L2 Cache: 768 KB (FirePro 3D V7800) vs 512 KB (GeForce GTX 645) — the FirePro 3D V7800 has significantly larger on-die cache to reduce VRAM reliance.
| Feature | FirePro 3D V7800 | GeForce GTX 645 |
|---|---|---|
| VRAM Capacity | 2 GB+100% | 1 GB |
| Memory Type | GDDR5 | GDDR5 |
| Bus Width | 64-bit | 128-bit+100% |
| L2 Cache | 768 KB+50% | 512 KB |
Display & API Support
DirectX support: 11.0 (FirePro 3D V7800) vs 11.0 (GeForce GTX 645). Vulkan: None vs 1.2. OpenGL: 4.1 vs 4.6. Maximum simultaneous displays: 3 vs 3.
| Feature | FirePro 3D V7800 | GeForce GTX 645 |
|---|---|---|
| DirectX | 11.0 | 11.0 |
| Vulkan | None | 1.2 |
| OpenGL | 4.1 | 4.6+12% |
| Max Displays | 3 | 3 |
Media & Encoding
Hardware encoder: UVD 2.3 (FirePro 3D V7800) vs NVENC (1st Gen) (GeForce GTX 645). Decoder: UVD 2.3 vs PureVideo VP5. Supported codecs: MPEG-2,H.264,VC-1 (FirePro 3D V7800) vs MPEG-2,VC-1,H.264,MPEG-4 (GeForce GTX 645).
| Feature | FirePro 3D V7800 | GeForce GTX 645 |
|---|---|---|
| Encoder | UVD 2.3 | NVENC (1st Gen) |
| Decoder | UVD 2.3 | PureVideo VP5 |
| Codecs | MPEG-2,H.264,VC-1 | MPEG-2,VC-1,H.264,MPEG-4 |
Power & Dimensions
The FirePro 3D V7800 draws 274W versus the GeForce GTX 645's 200W — a 31.2% difference. The GeForce GTX 645 is more power-efficient. Recommended PSU: 350W (FirePro 3D V7800) vs 300W (GeForce GTX 645). Power connectors: PCIe-powered vs None. Card length: 254mm vs 147mm, occupying 1 vs 1 slots. Typical load temperature: 85°C vs 80.
| Feature | FirePro 3D V7800 | GeForce GTX 645 |
|---|---|---|
| TDP | 274W | 200W-27% |
| Recommended PSU | 350W | 300W-14% |
| Power Connector | PCIe-powered | None |
| Length | 254mm | 147mm |
| Height | 111mm | 111mm |
| Slots | 1 | 1 |
| Temp (Load) | 85°C | 80-6% |
| Perf/Watt | 6.8 | 9.4+38% |
Value Analysis
At launch, the FirePro 3D V7800 came in at $759, while the GeForce GTX 645 launched at $150. On MSRP, GeForce GTX 645 was 80.2% cheaper ($609 less). Performance per dollar on MSRP (G3D Mark / MSRP): 2.5 (FirePro 3D V7800) vs 12.5 (GeForce GTX 645) — the GeForce GTX 645 offers 400% better value. The newer card here is FirePro 3D V7800 (2014 vs 2010).
| Feature | FirePro 3D V7800 | GeForce GTX 645 |
|---|---|---|
| MSRP | $759 | $150-80% |
| Performance per Dollar | 2.5 | 12.5+400% |
| Codename | Tahiti | GF100 |
| Release | January 18 2014 | May 31 2010 |
| Ranking | #423 | #618 |
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