
GeForce GT 640

Radeon RX Vega 10 Ryzen 7 3700C
GeForce GT 640 vs Radeon RX Vega 10 Ryzen 7 3700C 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 640 vs Radeon RX Vega 10 Ryzen 7 3700C 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 640 vs Radeon RX Vega 10 Ryzen 7 3700C: 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 640
2012Why buy it
- ✅Costs $51 less on MSRP ($99 MSRP vs $150 MSRP).
- ✅Delivers 51.9% more G3D Mark for each dollar spent, at 11.8 vs 7.8 G3D/$ ($99 MSRP vs $150 MSRP).
- ✅100+% more VRAM for high-resolution textures and newer games (4 GB vs Unknown).
Trade-offs
- ❌Lower average FPS than Radeon RX Vega 10 Ryzen 7 3700C across 50 tracked games in our benchmark data.
- ❌2012 hardware with 4 GB of VRAM is already well past its comfortable zone for modern gaming, so it is hard to recommend now.
- ❌333.3% higher power demand at 65W vs 15W.
Radeon RX Vega 10 Ryzen 7 3700C
2020Why buy it
- ✅127.6% more average FPS across 50 tracked games in our benchmark data.
- ✅Draws 15W instead of 65W, a 50W reduction.
- ✅More future proof: Vega (2017−2020) on 7nm with a newer platform for upcoming games.
Trade-offs
- ❌Less VRAM, with Unknown vs 4 GB for high-resolution textures and newer games.
- ❌2020 hardware with Unknown of VRAM is already well past its comfortable zone for modern gaming, so it is hard to recommend now.
- ❌51.5% HIGHER MSRP$150 MSRPvs$99 MSRP
- ❌Lower G3D Mark per dollar, at 7.8 vs 11.8 G3D/$ ($150 MSRP vs $99 MSRP).
Quick Answers
Which GPU is faster for gaming right now?
Which GPU is the safer long-term pick for 2026 and beyond?
Which GPU is the better buy today?
GeForce GT 640 vs Radeon RX Vega 10 Ryzen 7 3700C Technical Specifications
Side-by-side specs, architecture details, clocks, memory, power, and platform differences.

GeForce GT 640
The GeForce GT 640 is manufactured by NVIDIA. It was released in June 5 2012. It features the Kepler architecture. The core clock speed is 902 MHz. It has 384 shading units. The thermal design power (TDP) is 65W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 1,169 points. Launch price was $99.


Radeon RX Vega 10 Ryzen 7 3700C
The Radeon RX Vega 10 Ryzen 7 3700C is manufactured by AMD. It was released in January 7 2020. It features the Vega architecture. The boost clock speed is 2100 MHz. It has 512 shading units. The thermal design power (TDP) is 15W. Manufactured using 7 nm process technology. G3D Mark benchmark score: 1,166 points.
Graphics Performance
The GeForce GT 640 scores 1,169 and the Radeon RX Vega 10 Ryzen 7 3700C reaches 1,166 in the G3D Mark benchmark — just a 0.3% difference, making them near-identical in rasterization performance. The GeForce GT 640 is built on Kepler while the Radeon RX Vega 10 Ryzen 7 3700C uses Vega, both on 28 nm vs 7 nm. Shader units: 384 (GeForce GT 640) vs 512 (Radeon RX Vega 10 Ryzen 7 3700C).
| Feature | GeForce GT 640 | Radeon RX Vega 10 Ryzen 7 3700C |
|---|---|---|
| G3D Mark Score | 1,169 | 1,166 |
| Architecture | Kepler | Vega |
| Process Node | 28 nm | 7 nm |
| Shading Units | 384 | 512+33% |
Advanced Features (DLSS/FSR)
The GeForce GT 640 gets NVIDIA DLSS, which still tends to look cleaner in motion. The Radeon RX Vega 10 Ryzen 7 3700C leans on FSR, which is flexible and widely supported, but usually a bit rougher at the same settings.
| Feature | GeForce GT 640 | Radeon RX Vega 10 Ryzen 7 3700C |
|---|---|---|
| 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 640 has 4 GB of VRAM, while the Radeon RX Vega 10 Ryzen 7 3700C carries 0 MB. GeForce GT 640 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 640 and System on the Radeon RX Vega 10 Ryzen 7 3700C.
| Feature | GeForce GT 640 | Radeon RX Vega 10 Ryzen 7 3700C |
|---|---|---|
| VRAM Capacity | 4 GB | Shared System RAM |
| Memory Type | GDDR5 | Shared |
| Memory Bandwidth | Unknown | System |
| Bus Width | 128-bit | System |
Power & Dimensions
The GeForce GT 640 draws 65W versus the Radeon RX Vega 10 Ryzen 7 3700C's 15W — a 125% difference. The Radeon RX Vega 10 Ryzen 7 3700C is more power-efficient. Recommended PSU: 300W (GeForce GT 640) vs 1W (Radeon RX Vega 10 Ryzen 7 3700C). Power connectors: None vs Integrated.
| Feature | GeForce GT 640 | Radeon RX Vega 10 Ryzen 7 3700C |
|---|---|---|
| TDP | 65W | 15W-77% |
| Recommended PSU | 300W | 1W-100% |
| Power Connector | None | Integrated |
| Length | 145mm | — |
| Height | 111mm | — |
| Slots | 1 | — |
| Temp (Load) | 60°C | — |
| Perf/Watt | 18.0 | 77.7+332% |
Value Analysis
At launch, the GeForce GT 640 came in at $99, while the Radeon RX Vega 10 Ryzen 7 3700C launched at $150. On MSRP, GeForce GT 640 was 34% cheaper ($51 less). Performance per dollar on MSRP (G3D Mark / MSRP): 11.8 (GeForce GT 640) vs 7.8 (Radeon RX Vega 10 Ryzen 7 3700C) — the GeForce GT 640 offers 51.3% better value. The newer card here is Radeon RX Vega 10 Ryzen 7 3700C (2020 vs 2012).
| Feature | GeForce GT 640 | Radeon RX Vega 10 Ryzen 7 3700C |
|---|---|---|
| MSRP | $99-34% | $150 |
| Performance per Dollar | 11.8+51% | 7.8 |
| Codename | GK107 | Vega |
| Release | June 5 2012 | January 7 2020 |
| Ranking | #837 | #545 |
Affiliate Disclosure
ChipVERSUS is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to Amazon.com. We may earn a commission on qualifying purchases made through our links. This comes at no additional cost to you and helps support our work in providing comprehensive PC building guides and tools.
Amazon and the Amazon logo are trademarks of Amazon.com, Inc. or its affiliates.
Top Performing GPUs
The most powerful gpus ranked by G3D Mark benchmark scores.















