GeForce GT 340 vs Radeon HD 6800M 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 340 vs Radeon HD 6800M 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 340 vs Radeon HD 6800M: 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 340
2014Why buy it
- β Delivers 100+% more G3D Mark for each dollar spent, at 7.4 vs 0 G3D/$ ($100 MSRP vs Unknown MSRP).
- β 100% more VRAM for high-resolution textures and newer games (1 GB vs 512 MB).
- β Draws 64W instead of 151W, a 87W reduction.
Trade-offs
- βLower average FPS than Radeon HD 6800M across 50 tracked games in our benchmark data.
- β2014 hardware with 1 GB of VRAM is already well past its comfortable zone for modern gaming, so it is hard to recommend now.
Radeon HD 6800M
2010Why buy it
- β 92.8% more average FPS across 50 tracked games in our benchmark data.
Trade-offs
- βLess VRAM, with 512 MB vs 1 GB for high-resolution textures and newer games.
- β2010 hardware with 512 MB of VRAM is already well past its comfortable zone for modern gaming, so it is hard to recommend now.
- βLower G3D Mark per dollar, at 0 vs 7.4 G3D/$ (Unknown MSRP vs $100 MSRP).
- β135.9% higher power demand at 151W vs 64W.
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 340 vs Radeon HD 6800M Technical Specifications
Side-by-side specs, architecture details, clocks, memory, power, and platform differences.

GeForce GT 340
The GeForce GT 340 is manufactured by NVIDIA. It was released in May 29 2014. It features the Kepler architecture. The core clock speed is 993 MHz. It has 384 shading units. The thermal design power (TDP) is 64W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 738 points. Launch price was $89.

Radeon HD 6800M
The Radeon HD 6800M is manufactured by AMD. It was released in October 21 2010. It features the TeraScale 2 architecture. The boost clock speed is 900 MHz. It has 1120 shading units. The thermal design power (TDP) is 151W. Manufactured using 40 nm process technology. G3D Mark benchmark score: 753 points. Launch price was $239.
Graphics Performance
The GeForce GT 340 scores 738 and the Radeon HD 6800M reaches 753 in the G3D Mark benchmark β just a 2% difference, making them near-identical in rasterization performance. The GeForce GT 340 is built on Kepler while the Radeon HD 6800M uses TeraScale 2, both on 28 nm vs 40 nm. Shader units: 384 (GeForce GT 340) vs 1,120 (Radeon HD 6800M). Raw compute: 0.7626 TFLOPS (GeForce GT 340) vs 2.016 TFLOPS (Radeon HD 6800M).
| Feature | GeForce GT 340 | Radeon HD 6800M |
|---|---|---|
| G3D Mark Score | 738 | 753+2% |
| Architecture | Kepler | TeraScale 2 |
| Process Node | 28 nm | 40 nm |
| Shading Units | 384 | 1120+192% |
| Compute (TFLOPS) | 0.7626 TFLOPS | 2.016 TFLOPS+164% |
| ROPs | 16 | 32+100% |
| TMUs | 32 | 56+75% |
| L1 Cache | 32 KB | 224 KB+600% |
| L2 Cache | 256 KB | 512 KB+100% |
Advanced Features (DLSS/FSR)
The GeForce GT 340 gets NVIDIA DLSS, which still tends to look cleaner in motion. The Radeon HD 6800M leans on FSR, which is flexible and widely supported, but usually a bit rougher at the same settings.
| Feature | GeForce GT 340 | Radeon HD 6800M |
|---|---|---|
| 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 340 has 1 GB of VRAM, while the Radeon HD 6800M carries 512 MB. GeForce GT 340 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 340 and System on the Radeon HD 6800M. L2 Cache: 256 KB (GeForce GT 340) vs 512 KB (Radeon HD 6800M) β the Radeon HD 6800M has significantly larger on-die cache to reduce VRAM reliance.
| Feature | GeForce GT 340 | Radeon HD 6800M |
|---|---|---|
| VRAM Capacity | 1 GB+100% | 0.5 GB |
| Memory Type | GDDR5 | Shared |
| Memory Bandwidth | Unknown | System |
| Bus Width | 128-bit | System |
| L2 Cache | 256 KB | 512 KB+100% |
Power & Dimensions
The GeForce GT 340 draws 64W versus the Radeon HD 6800M's 151W β a 80.9% difference. The GeForce GT 340 is more power-efficient. Recommended PSU: 300W (GeForce GT 340) vs 350W (Radeon HD 6800M). Power connectors: None vs 1x 6-pin.
| Feature | GeForce GT 340 | Radeon HD 6800M |
|---|---|---|
| TDP | 64W-58% | 151W |
| Recommended PSU | 300W-14% | 350W |
| Power Connector | None | 1x 6-pin |
| Length | 168mm | β |
| Height | 111mm | β |
| Slots | 1 | β |
| Temp (Load) | 75 | β |
| Perf/Watt | 11.5+130% | 5.0 |
Value Analysis
The newer card here is GeForce GT 340 (2014 vs 2010).
| Feature | GeForce GT 340 | Radeon HD 6800M |
|---|---|---|
| MSRP | $100 | β |
| Codename | GK107 | Barts |
| Release | May 29 2014 | October 21 2010 |
| Ranking | #777 | #661 |
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.
















