
GeForce 945M

Radeon HD 7770
GeForce 945M vs Radeon HD 7770 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 945M vs Radeon HD 7770 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 945M vs Radeon HD 7770: 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 945M
2015Why buy it
- ✅39.8% more average FPS across 50 tracked games in our benchmark data.
Trade-offs
- ❌Less VRAM, with 512 MB vs 2 GB for high-resolution textures and newer games.
- ❌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 13.7 G3D/$ (Unknown MSRP vs $159 MSRP).
Radeon HD 7770
2012Why buy it
- ✅Delivers 100+% more G3D Mark for each dollar spent, at 13.7 vs 0 G3D/$ ($159 MSRP vs Unknown MSRP).
- ✅300% more VRAM for high-resolution textures and newer games (2 GB vs 512 MB).
Trade-offs
- ❌Lower average FPS than GeForce 945M 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.
Quick Answers
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GeForce 945M vs Radeon HD 7770 Technical Specifications
Side-by-side specs, architecture details, clocks, memory, power, and platform differences.

GeForce 945M
The GeForce 945M is manufactured by NVIDIA. It was released in October 27 2015. It features the Maxwell architecture. The core clock ranges from 928 MHz to 1020 MHz. It has 640 shading units. The thermal design power (TDP) is 75W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 2,109 points.

Radeon HD 7770
The Radeon HD 7770 is manufactured by AMD. It was released in February 15 2012. It features the GCN 1.0 architecture. The core clock speed is 1000 MHz. It has 640 shading units. The thermal design power (TDP) is 80W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 2,173 points. Launch price was $159.
Graphics Performance
The GeForce 945M scores 2,109 and the Radeon HD 7770 reaches 2,173 in the G3D Mark benchmark — just a 3% difference, making them near-identical in rasterization performance. The GeForce 945M is built on Maxwell while the Radeon HD 7770 uses GCN 1.0, both on a 28 nm process. Shader units: 640 (GeForce 945M) vs 640 (Radeon HD 7770). Raw compute: 1.306 TFLOPS (GeForce 945M) vs 1.28 TFLOPS (Radeon HD 7770).
| Feature | GeForce 945M | Radeon HD 7770 |
|---|---|---|
| G3D Mark Score | 2,109 | 2,173+3% |
| Architecture | Maxwell | GCN 1.0 |
| Process Node | 28 nm | 28 nm |
| Shading Units | 640 | 640 |
| Compute (TFLOPS) | 1.306 TFLOPS+2% | 1.28 TFLOPS |
| ROPs | 16 | 16 |
| TMUs | 40 | 40 |
| L1 Cache | 320 KB+100% | 160 KB |
| L2 Cache | 2 MB+700% | 0.25 MB |
Advanced Features (DLSS/FSR)
The GeForce 945M gets NVIDIA DLSS, which still tends to look cleaner in motion. The Radeon HD 7770 leans on FSR, which is flexible and widely supported, but usually a bit rougher at the same settings.
| Feature | GeForce 945M | Radeon HD 7770 |
|---|---|---|
| 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 945M has 512 MB of VRAM, while the Radeon HD 7770 carries 2 GB. Radeon HD 7770 gives you 300% more memory capacity, which matters more once you move into heavier textures, mods, or higher resolutions. Memory bandwidth: 80 GB/s (GeForce 945M) vs 72 GB/s (Radeon HD 7770) — a 11.1% advantage for the GeForce 945M. Memory bus width is 128-bit on the GeForce 945M and 128-bit on the Radeon HD 7770. L2 Cache: 2 MB (GeForce 945M) vs 0.25 MB (Radeon HD 7770) — the GeForce 945M has significantly larger on-die cache to reduce VRAM reliance.
| Feature | GeForce 945M | Radeon HD 7770 |
|---|---|---|
| VRAM Capacity | 0.5 GB | 2 GB+300% |
| Memory Type | GDDR5 | GDDR5 |
| Memory Bandwidth | 80 GB/s+11% | 72 GB/s |
| Bus Width | 128-bit | 128-bit |
| L2 Cache | 2 MB+700% | 0.25 MB |
Display & API Support
DirectX support: 12 (11_0) (GeForce 945M) vs 12_0 (Radeon HD 7770). Maximum simultaneous displays: 2 vs 4.
| Feature | GeForce 945M | Radeon HD 7770 |
|---|---|---|
| DirectX | 12 (11_0) | 12_0 |
| Max Displays | 2 | 4+100% |
Media & Encoding
Hardware encoder: NVENC (Maxwell) (GeForce 945M) vs VCE 1.0 (Radeon HD 7770). Decoder: PureVideo HD (VP6) vs UVD 3.1. Supported codecs: H.264,H.265,MPEG-2 (GeForce 945M) vs H.264 (Radeon HD 7770).
| Feature | GeForce 945M | Radeon HD 7770 |
|---|---|---|
| Encoder | NVENC (Maxwell) | VCE 1.0 |
| Decoder | PureVideo HD (VP6) | UVD 3.1 |
| Codecs | H.264,H.265,MPEG-2 | H.264 |
Power & Dimensions
The GeForce 945M draws 75W versus the Radeon HD 7770's 80W — a 6.5% difference. The GeForce 945M is more power-efficient. Recommended PSU: 350W (GeForce 945M) vs 450W (Radeon HD 7770). Power connectors: Legacy vs 1x 6-pin. Card length: 0mm vs 210mm, occupying 0 vs 2 slots.
| Feature | GeForce 945M | Radeon HD 7770 |
|---|---|---|
| TDP | 75W-6% | 80W |
| Recommended PSU | 350W-22% | 450W |
| Power Connector | Legacy | 1x 6-pin |
| Length | 0mm | 210mm |
| Height | 0mm | — |
| Slots | 0-100% | 2 |
| Temp (Load) | 75 | — |
| Perf/Watt | 28.1+3% | 27.2 |
Value Analysis
The newer card here is GeForce 945M (2015 vs 2012).
| Feature | GeForce 945M | Radeon HD 7770 |
|---|---|---|
| MSRP | — | $159 |
| Codename | GM107 | Cape Verde |
| Release | October 27 2015 | February 15 2012 |
| Ranking | #671 | #664 |
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