
GeForce GT 645

Radeon Graphics (Ryzen 7000)
GeForce GT 645 vs Radeon Graphics (Ryzen 7000) 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.
GeForce GT 645 vs Radeon Graphics (Ryzen 7000) 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

Valorant

Among Us

Apex Legends

ARC Raiders

Baldur's Gate 3

Call of Duty: Black Ops 6
GeForce GT 645 vs Radeon Graphics (Ryzen 7000): Pros, Cons & Final Verdict
See where each GPU makes more sense in practice: raw FPS, VRAM, features, power draw, pricing, and long-term headroom.
GeForce GT 645
2012Why buy it
- ✅Delivers 100+% more G3D Mark for each dollar spent, at 20.3 vs 0 G3D/$ ($99 MSRP vs Unknown MSRP).
- ✅100+% more VRAM for high-resolution textures and newer games (2 GB vs Unknown).
Trade-offs
- ❌Lower average FPS than Radeon Graphics (Ryzen 7000) across 50 tracked games in our benchmark data.
- ❌2012 hardware with 2 GB of VRAM is already well past its comfortable zone for modern gaming, so it is hard to recommend now.
- ❌113.3% higher power demand at 32W vs 15W.
Radeon Graphics (Ryzen 7000)
2022Why buy it
- ✅157.6% more average FPS across 50 tracked games in our benchmark data.
- ✅GeForce GT 645 is already obsolete for modern gaming, so Radeon Graphics (Ryzen 7000) is the less risky modern option long term.
- ✅Draws 15W instead of 32W, a 17W reduction.
Trade-offs
- ❌Less VRAM, with Unknown vs 2 GB for high-resolution textures and newer games.
- ❌2022 hardware with Unknown of VRAM is already well past its comfortable zone for modern gaming, so it is hard to recommend now.
- ❌Lower G3D Mark per dollar, at 0 vs 20.3 G3D/$ (Unknown MSRP vs $99 MSRP).
Quick Answers
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GeForce GT 645 vs Radeon Graphics (Ryzen 7000) Technical Specifications
Side-by-side specs, architecture details, clocks, memory, power, and platform differences.

GeForce GT 645
The GeForce GT 645 is manufactured by NVIDIA. It was released in October 1 2012. It features the Kepler architecture. The core clock speed is Up to 710 MHz. It has 384 shading units. The thermal design power (TDP) is 32W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 2,006 points.


Radeon Graphics (Ryzen 7000)
The Radeon Graphics (Ryzen 7000) is manufactured by AMD. It was released in September 26 2022. It features the RDNA 2 architecture. The boost clock speed is 2200 MHz. It has 128 shading units. The thermal design power (TDP) is 15W. Manufactured using 6 nm process technology. G3D Mark benchmark score: 2,000 points.
Graphics Performance
The GeForce GT 645 scores 2,006 and the Radeon Graphics (Ryzen 7000) reaches 2,000 in the G3D Mark benchmark — just a 0.3% difference, making them near-identical in rasterization performance. The GeForce GT 645 is built on Kepler while the Radeon Graphics (Ryzen 7000) uses RDNA 2, both on 28 nm vs 6 nm. Shader units: 384 (GeForce GT 645) vs 128 (Radeon Graphics (Ryzen 7000)).
| Feature | GeForce GT 645 | Radeon Graphics (Ryzen 7000) |
|---|---|---|
| G3D Mark Score | 2,006 | 2,000 |
| Architecture | Kepler | RDNA 2 |
| Process Node | 28 nm | 6 nm |
| Shading Units | 384+200% | 128 |
Advanced Features (DLSS/FSR)
The GeForce GT 645 gets NVIDIA DLSS, which still tends to look cleaner in motion. The Radeon Graphics (Ryzen 7000) leans on FSR, which is flexible and widely supported, but usually a bit rougher at the same settings.
| Feature | GeForce GT 645 | Radeon Graphics (Ryzen 7000) |
|---|---|---|
| Upscaling Tech | Upscaling support | FSR Upscaling / FSR 4 |
| Frame Generation | Not Supported | Not Supported |
| Ray Reconstruction | No | No |
| Low Latency | NVIDIA Reflex | AMD Anti-Lag |
Video Memory (VRAM)
The GeForce GT 645 has 2 GB of VRAM, while the Radeon Graphics (Ryzen 7000) carries 0 MB. GeForce GT 645 gives you 100+% more memory capacity, which matters more once you move into heavier textures, mods, or higher resolutions. Memory bus width is 128-bit on the GeForce GT 645 and System on the Radeon Graphics (Ryzen 7000).
| Feature | GeForce GT 645 | Radeon Graphics (Ryzen 7000) |
|---|---|---|
| VRAM Capacity | 2 GB | Shared System RAM |
| Memory Type | GDDR5 | Shared |
| Memory Bandwidth | Unknown | System |
| Bus Width | 128-bit | System |
Power & Dimensions
The GeForce GT 645 draws 32W versus the Radeon Graphics (Ryzen 7000)'s 15W — a 72.3% difference. The Radeon Graphics (Ryzen 7000) is more power-efficient. Recommended PSU: 350W (GeForce GT 645) vs 1W (Radeon Graphics (Ryzen 7000)). Power connectors: PCIe-powered vs Integrated.
| Feature | GeForce GT 645 | Radeon Graphics (Ryzen 7000) |
|---|---|---|
| TDP | 32W | 15W-53% |
| Recommended PSU | 350W | 1W-100% |
| Power Connector | PCIe-powered | Integrated |
| Length | 145mm | — |
| Height | 111mm | — |
| Slots | 1 | — |
| Temp (Load) | 80 | — |
| Perf/Watt | 62.7 | 133.3+113% |
Value Analysis
At launch, the GeForce GT 645 came in at $99, while the Radeon Graphics (Ryzen 7000) launched at $0. On MSRP, Radeon Graphics (Ryzen 7000) was 100+% cheaper ($99 less). Performance per dollar on MSRP (G3D Mark / MSRP): 20.3 (GeForce GT 645) vs Infinity (Radeon Graphics (Ryzen 7000)) — the Radeon Graphics (Ryzen 7000) offers Infinity% better value. The newer card here is Radeon Graphics (Ryzen 7000) (2022 vs 2012).
| Feature | GeForce GT 645 | Radeon Graphics (Ryzen 7000) |
|---|---|---|
| MSRP | $99 | $0-100% |
| Performance per Dollar | 20.3 | Infinity |
| Codename | GK107 | Raphael |
| Release | October 1 2012 | September 26 2022 |
| Ranking | #903 | #729 |
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