
GeForce 945A

Radeon R6 M340DX
GeForce 945A vs Radeon R6 M340DX 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 945A vs Radeon R6 M340DX 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 945A vs Radeon R6 M340DX: 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 945A
2015Why buy it
- ✅67.5% more average FPS across 50 tracked games in our benchmark data.
- ✅Delivers 100+% more G3D Mark for each dollar spent, at 18.5 vs 0 G3D/$ ($100 MSRP vs Unknown MSRP).
Trade-offs
- ❌2015 hardware with 512 MB of VRAM is already well past its comfortable zone for modern gaming, so it is hard to recommend now.
Radeon R6 M340DX
2015Why buy it
- ✅Competitive enough if your priority is price, power, or specific feature preference.
Trade-offs
- ❌Lower average FPS than GeForce 945A across 50 tracked games in our benchmark data.
- ❌2015 hardware with 512 MB of VRAM is already well past its comfortable zone for modern gaming, so it is hard to recommend now.
- ❌Lower G3D Mark per dollar, at 0 vs 18.5 G3D/$ (Unknown MSRP vs $100 MSRP).
Quick Answers
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GeForce 945A vs Radeon R6 M340DX Technical Specifications
Side-by-side specs, architecture details, clocks, memory, power, and platform differences.

GeForce 945A
The GeForce 945A is manufactured by NVIDIA. It was released in March 13 2015. It features the Maxwell architecture. The core clock ranges from 1006 MHz to 1189 MHz. It has 384 shading units. The thermal design power (TDP) is 33W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 1,852 points.

Radeon R6 M340DX
The Radeon R6 M340DX is manufactured by AMD. It was released in December 12 2015. It features the GCN 1.0 architecture. The core clock ranges from 955 MHz to 1030 MHz. It has 384 shading units. The thermal design power (TDP) is 30W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 1,800 points.
Graphics Performance
The GeForce 945A scores 1,852 and the Radeon R6 M340DX reaches 1,800 in the G3D Mark benchmark — just a 2.9% difference, making them near-identical in rasterization performance. The GeForce 945A is built on Maxwell while the Radeon R6 M340DX uses GCN 1.0, both on a 28 nm process. Shader units: 384 (GeForce 945A) vs 384 (Radeon R6 M340DX). Raw compute: 0.9132 TFLOPS (GeForce 945A) vs 0.791 TFLOPS (Radeon R6 M340DX). Boost clocks: 1189 MHz vs 1030 MHz.
| Feature | GeForce 945A | Radeon R6 M340DX |
|---|---|---|
| G3D Mark Score | 1,852+3% | 1,800 |
| Architecture | Maxwell | GCN 1.0 |
| Process Node | 28 nm | 28 nm |
| Shading Units | 384 | 384 |
| Compute (TFLOPS) | 0.9132 TFLOPS+15% | 0.791 TFLOPS |
| Boost Clock | 1189 MHz+15% | 1030 MHz |
| ROPs | 8 | 8 |
| TMUs | 24 | 24 |
| L1 Cache | 192 KB+100% | 96 KB |
| L2 Cache | 1 MB+300% | 0.25 MB |
Advanced Features (DLSS/FSR)
The GeForce 945A gets NVIDIA DLSS, which still tends to look cleaner in motion. The Radeon R6 M340DX leans on FSR, which is flexible and widely supported, but usually a bit rougher at the same settings.
| Feature | GeForce 945A | Radeon R6 M340DX |
|---|---|---|
| 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 512 MB of GDDR5. Memory bus width is 128-bit on the GeForce 945A and 64-bit on the Radeon R6 M340DX. L2 Cache: 1 MB (GeForce 945A) vs 0.25 MB (Radeon R6 M340DX) — the GeForce 945A has significantly larger on-die cache to reduce VRAM reliance.
| Feature | GeForce 945A | Radeon R6 M340DX |
|---|---|---|
| VRAM Capacity | 0.5 GB | 0.5 GB |
| Memory Type | GDDR5 | GDDR5 |
| Bus Width | 128-bit+100% | 64-bit |
| L2 Cache | 1 MB+300% | 0.25 MB |
Display & API Support
DirectX support: 12 (11_0) (GeForce 945A) vs 12_0 (Radeon R6 M340DX). Maximum simultaneous displays: 2 vs 0.
| Feature | GeForce 945A | Radeon R6 M340DX |
|---|---|---|
| DirectX | 12 (11_0) | 12_0 |
| Max Displays | 2 | 0 |
Media & Encoding
Hardware encoder: 4th Gen NVENC (Maxwell) (GeForce 945A) vs VCE 2.0 (Radeon R6 M340DX). Decoder: PureVideo HD VP6 vs UVD 4.2.
| Feature | GeForce 945A | Radeon R6 M340DX |
|---|---|---|
| Encoder | 4th Gen NVENC (Maxwell) | VCE 2.0 |
| Decoder | PureVideo HD VP6 | UVD 4.2 |
| Codecs | H.264,HEVC | — |
Power & Dimensions
The GeForce 945A draws 33W versus the Radeon R6 M340DX's 30W — a 9.5% difference. The Radeon R6 M340DX is more power-efficient. Recommended PSU: 350W (GeForce 945A) vs 350W (Radeon R6 M340DX). Power connectors: Legacy vs PCIe-powered.
| Feature | GeForce 945A | Radeon R6 M340DX |
|---|---|---|
| TDP | 33W | 30W-9% |
| Recommended PSU | 350W | 350W |
| Power Connector | Legacy | PCIe-powered |
| Length | — | 1mm |
| Slots | 0 | 0 |
| Temp (Load) | 80°C | — |
| Perf/Watt | 56.1 | 60.0+7% |
Value Analysis
At launch, the GeForce 945A came in at $100, while the Radeon R6 M340DX launched at $0. On MSRP, Radeon R6 M340DX was 100+% cheaper ($100 less). Performance per dollar on MSRP (G3D Mark / MSRP): 18.5 (GeForce 945A) vs Infinity (Radeon R6 M340DX) — the Radeon R6 M340DX offers Infinity% better value.
| Feature | GeForce 945A | Radeon R6 M340DX |
|---|---|---|
| MSRP | $100 | $0-100% |
| Performance per Dollar | 18.5 | Infinity |
| Codename | GM108 | Jet |
| Release | March 13 2015 | December 12 2015 |
| Ranking | #705 | #852 |
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