GeForce GT 340 vs Mobility Radeon HD 4870 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 Mobility Radeon HD 4870 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
GeForce GT 340 vs Mobility Radeon HD 4870: 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 Costs $199 less on MSRP ($100 MSRP vs $299 MSRP).
- β Delivers 206.5% more G3D Mark for each dollar spent, at 7.4 vs 2.4 G3D/$ ($100 MSRP vs $299 MSRP).
- β More future proof: Kepler (2012β2018) on 28nm with a newer platform for upcoming games.
Trade-offs
- β2014 hardware with 1 GB of VRAM is already well past its comfortable zone for modern gaming, so it is hard to recommend now.
- β113.3% higher power demand at 64W vs 30W.
Mobility Radeon HD 4870
2009Why buy it
- β Draws 30W instead of 64W, a 34W reduction.
Trade-offs
- β2009 hardware with 1 GB of VRAM is already well past its comfortable zone for modern gaming, so it is hard to recommend now.
- β199% HIGHER MSRP$299 MSRPvs$100 MSRP
- βLower G3D Mark per dollar, at 2.4 vs 7.4 G3D/$ ($299 MSRP vs $100 MSRP).
Quick Answers
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GeForce GT 340 vs Mobility Radeon HD 4870 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.

Mobility Radeon HD 4870
The Mobility Radeon HD 4870 is manufactured by AMD. It was released in January 9 2009. It features the TeraScale architecture. The core clock speed is 550 MHz. It has 800 shading units. The thermal design power (TDP) is 30W. Manufactured using 55 nm process technology. G3D Mark benchmark score: 720 points.
Graphics Performance
The GeForce GT 340 scores 738 and the Mobility Radeon HD 4870 reaches 720 in the G3D Mark benchmark β just a 2.5% difference, making them near-identical in rasterization performance. The GeForce GT 340 is built on Kepler while the Mobility Radeon HD 4870 uses TeraScale, both on 28 nm vs 55 nm. Shader units: 384 (GeForce GT 340) vs 800 (Mobility Radeon HD 4870). Raw compute: 0.7626 TFLOPS (GeForce GT 340) vs 0.88 TFLOPS (Mobility Radeon HD 4870).
| Feature | GeForce GT 340 | Mobility Radeon HD 4870 |
|---|---|---|
| G3D Mark Score | 738+3% | 720 |
| Architecture | Kepler | TeraScale |
| Process Node | 28 nm | 55 nm |
| Shading Units | 384 | 800+108% |
| Compute (TFLOPS) | 0.7626 TFLOPS | 0.88 TFLOPS+15% |
| ROPs | 16 | 16 |
| TMUs | 32 | 40+25% |
| L1 Cache | 32 KB | 160 KB+400% |
| L2 Cache | 256 KB | 256 KB |
Advanced Features (DLSS/FSR)
The GeForce GT 340 gets NVIDIA DLSS, which still tends to look cleaner in motion. The Mobility Radeon HD 4870 leans on FSR, which is flexible and widely supported, but usually a bit rougher at the same settings.
| Feature | GeForce GT 340 | Mobility Radeon HD 4870 |
|---|---|---|
| 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)
Both cards ship with 1 GB of GDDR5. Memory bus width is 128-bit on the GeForce GT 340 and 64-bit on the Mobility Radeon HD 4870.
| Feature | GeForce GT 340 | Mobility Radeon HD 4870 |
|---|---|---|
| VRAM Capacity | 1 GB | 1 GB |
| Memory Type | GDDR5 | GDDR5 |
| Memory Bandwidth | Unknown | Unknown |
| Bus Width | 128-bit+100% | 64-bit |
| L2 Cache | 256 KB | 256 KB |
Display & API Support
DirectX support: 11.1 (10_1) (GeForce GT 340) vs 10.1 (Mobility Radeon HD 4870). OpenGL: 3.3 vs 3.3. Maximum simultaneous displays: 2 vs 2.
| Feature | GeForce GT 340 | Mobility Radeon HD 4870 |
|---|---|---|
| DirectX | 11.1 (10_1)+10% | 10.1 |
| OpenGL | 3.3 | 3.3 |
| Max Displays | 2 | 2 |
Media & Encoding
Decoder: VP4 vs UVD 2.0. Supported codecs: H.264,MPEG-2,VC-1 (GeForce GT 340) vs H.264,VC-1,MPEG-2 (Mobility Radeon HD 4870).
| Feature | GeForce GT 340 | Mobility Radeon HD 4870 |
|---|---|---|
| Encoder | None | β |
| Decoder | VP4 | UVD 2.0 |
| Codecs | H.264,MPEG-2,VC-1 | H.264,VC-1,MPEG-2 |
Power & Dimensions
The GeForce GT 340 draws 64W versus the Mobility Radeon HD 4870's 30W β a 72.3% difference. The Mobility Radeon HD 4870 is more power-efficient. Recommended PSU: 300W (GeForce GT 340) vs 350W (Mobility Radeon HD 4870). Power connectors: None vs PCIe-powered.
| Feature | GeForce GT 340 | Mobility Radeon HD 4870 |
|---|---|---|
| TDP | 64W | 30W-53% |
| Recommended PSU | 300W-14% | 350W |
| Power Connector | None | PCIe-powered |
| Length | 168mm | β |
| Height | 111mm | β |
| Slots | 1 | 0-100% |
| Temp (Load) | 75 | β |
| Perf/Watt | 11.5 | 24.0+109% |
Value Analysis
At launch, the GeForce GT 340 came in at $100, while the Mobility Radeon HD 4870 launched at $299. On MSRP, GeForce GT 340 was 66.6% cheaper ($199 less). Performance per dollar on MSRP (G3D Mark / MSRP): 7.4 (GeForce GT 340) vs 2.4 (Mobility Radeon HD 4870) β the GeForce GT 340 offers 208.3% better value. The newer card here is GeForce GT 340 (2014 vs 2009).
| Feature | GeForce GT 340 | Mobility Radeon HD 4870 |
|---|---|---|
| MSRP | $100-67% | $299 |
| Performance per Dollar | 7.4+208% | 2.4 |
| Codename | GK107 | M98 |
| Release | May 29 2014 | January 9 2009 |
| Ranking | #777 | #927 |
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