GeForce GT 645
Iris Plus Graphics G7 (Ice Lake 64 EU)
GeForce GT 645 vs Iris Plus Graphics G7 (Ice Lake 64 EU) 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 645 vs Iris Plus Graphics G7 (Ice Lake 64 EU) 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 645 vs Iris Plus Graphics G7 (Ice Lake 64 EU): 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 645
2012Why buy it
- ✅Delivers 100+% more G3D Mark for each dollar spent, at 20.3 vs 0 G3D/$ ($99 MSRP vs Unknown MSRP).
- ✅100+% more VRAM for high-resolution textures and newer games (2 GB vs Unknown).
- ✅Iris Plus Graphics G7 (Ice Lake 64 EU) is already obsolete for modern gaming, so GeForce GT 645 is the less risky modern option long term.
Trade-offs
- ❌2012 hardware with 2 GB of VRAM is already well past its comfortable zone for modern gaming, so it is hard to recommend now.
- ❌166.7% higher power demand at 32W vs 12W.
Iris Plus Graphics G7 (Ice Lake 64 EU)
2019Why buy it
- ✅Draws 12W instead of 32W, a 20W reduction.
- ✅More future proof: Gen. 11 Ice Lake (2019−2022) on 10nm with a newer platform for upcoming games.
Trade-offs
- ❌Less VRAM, with Unknown vs 2 GB for high-resolution textures and newer games.
- ❌2019 hardware with Unknown of VRAM is already well past its comfortable zone for modern gaming, so it is hard to recommend now.
- ❌Lower G3D Mark per dollar, at 0 vs 20.3 G3D/$ (Unknown MSRP vs $99 MSRP).
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GeForce GT 645 vs Iris Plus Graphics G7 (Ice Lake 64 EU) Technical Specifications
Side-by-side specs, architecture details, clocks, memory, power, and platform differences.
GeForce GT 645
The GeForce GT 645 is manufactured by NVIDIA. It was released in October 1 2012. It features the Kepler architecture. The core clock speed is Up to 710 MHz. It has 384 shading units. The thermal design power (TDP) is 32W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 2,006 points.
Iris Plus Graphics G7 (Ice Lake 64 EU)
The Iris Plus Graphics G7 (Ice Lake 64 EU) is manufactured by Intel. It was released in May 28 2019. It features the Gen. 11 Ice Lake architecture. The core clock ranges from 300 MHz to 1100 MHz. It has 64 shading units. The thermal design power (TDP) is 12W. Manufactured using 10 nm process technology. G3D Mark benchmark score: 2,000 points.
Graphics Performance
The GeForce GT 645 scores 2,006 and the Iris Plus Graphics G7 (Ice Lake 64 EU) reaches 2,000 in the G3D Mark benchmark — just a 0.3% difference, making them near-identical in rasterization performance. The GeForce GT 645 is built on Kepler while the Iris Plus Graphics G7 (Ice Lake 64 EU) uses Gen. 11 Ice Lake, both on 28 nm vs 10 nm. Shader units: 384 (GeForce GT 645) vs 64 (Iris Plus Graphics G7 (Ice Lake 64 EU)).
| Feature | GeForce GT 645 | Iris Plus Graphics G7 (Ice Lake 64 EU) |
|---|---|---|
| G3D Mark Score | 2,006 | 2,000 |
| Architecture | Kepler | Gen. 11 Ice Lake |
| Process Node | 28 nm | 10 nm |
| Shading Units | 384+500% | 64 |
Advanced Features (DLSS/FSR)
The GeForce GT 645 gets NVIDIA DLSS, which still tends to look cleaner in motion. The Iris Plus Graphics G7 (Ice Lake 64 EU) leans on FSR, which is flexible and widely supported, but usually a bit rougher at the same settings.
| Feature | GeForce GT 645 | Iris Plus Graphics G7 (Ice Lake 64 EU) |
|---|---|---|
| Upscaling Tech | Upscaling support | Upscaling support |
| Frame Generation | Not Supported | Not Supported |
| Ray Reconstruction | No | No |
| Low Latency | NVIDIA Reflex | Standard |
Video Memory (VRAM)
The GeForce GT 645 has 2 GB of VRAM, while the Iris Plus Graphics G7 (Ice Lake 64 EU) carries 0 MB. GeForce GT 645 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 645 and System on the Iris Plus Graphics G7 (Ice Lake 64 EU).
| Feature | GeForce GT 645 | Iris Plus Graphics G7 (Ice Lake 64 EU) |
|---|---|---|
| VRAM Capacity | 2 GB | Shared System RAM |
| Memory Type | GDDR5 | Shared |
| Memory Bandwidth | Unknown | System |
| Bus Width | 128-bit | System |
Display & API Support
DirectX support: 12 (11_0) (GeForce GT 645) vs 12 (12_1) (Iris Plus Graphics G7 (Ice Lake 64 EU)). Vulkan: 1.2 vs 1.3. OpenGL: 4.6 vs 4.6. Maximum simultaneous displays: 3 vs 3.
| Feature | GeForce GT 645 | Iris Plus Graphics G7 (Ice Lake 64 EU) |
|---|---|---|
| DirectX | 12 (11_0) | 12 (12_1) |
| Vulkan | 1.2 | 1.3+8% |
| OpenGL | 4.6 | 4.6 |
| Max Displays | 3 | 3 |
Media & Encoding
Hardware encoder: NVENC (1st Gen) (GeForce GT 645) vs QuickSync (Iris Plus Graphics G7 (Ice Lake 64 EU)). Decoder: NVDEC (1st Gen) vs QuickSync. Supported codecs: H.264,MPEG-2,VC-1 (GeForce GT 645) vs H.264,H.265,VP9 (Iris Plus Graphics G7 (Ice Lake 64 EU)).
| Feature | GeForce GT 645 | Iris Plus Graphics G7 (Ice Lake 64 EU) |
|---|---|---|
| Encoder | NVENC (1st Gen) | QuickSync |
| Decoder | NVDEC (1st Gen) | QuickSync |
| Codecs | H.264,MPEG-2,VC-1 | H.264,H.265,VP9 |
Power & Dimensions
The GeForce GT 645 draws 32W versus the Iris Plus Graphics G7 (Ice Lake 64 EU)'s 12W — a 90.9% difference. The Iris Plus Graphics G7 (Ice Lake 64 EU) is more power-efficient. Recommended PSU: 350W (GeForce GT 645) vs 1W (Iris Plus Graphics G7 (Ice Lake 64 EU)). Power connectors: PCIe-powered vs Integrated. Card length: 145mm vs 0mm, occupying 1 vs 0 slots. Typical load temperature: 80 vs 85.
| Feature | GeForce GT 645 | Iris Plus Graphics G7 (Ice Lake 64 EU) |
|---|---|---|
| TDP | 32W | 12W-63% |
| Recommended PSU | 350W | 1W-100% |
| Power Connector | PCIe-powered | Integrated |
| Length | 145mm | 0mm |
| Height | 111mm | 0mm |
| Slots | 1 | 0-100% |
| Temp (Load) | 80-6% | 85 |
| Perf/Watt | 62.7 | 166.7+166% |
Value Analysis
At launch, the GeForce GT 645 came in at $99, while the Iris Plus Graphics G7 (Ice Lake 64 EU) launched at $0. On MSRP, Iris Plus Graphics G7 (Ice Lake 64 EU) was 100+% cheaper ($99 less). Performance per dollar on MSRP (G3D Mark / MSRP): 20.3 (GeForce GT 645) vs Infinity (Iris Plus Graphics G7 (Ice Lake 64 EU)) — the Iris Plus Graphics G7 (Ice Lake 64 EU) offers Infinity% better value. The newer card here is Iris Plus Graphics G7 (Ice Lake 64 EU) (2019 vs 2012).
| Feature | GeForce GT 645 | Iris Plus Graphics G7 (Ice Lake 64 EU) |
|---|---|---|
| MSRP | $99 | $0-100% |
| Performance per Dollar | 20.3 | Infinity |
| Codename | GK107 | Ice Lake G7 Gen. 11 |
| Release | October 1 2012 | May 28 2019 |
| Ranking | #903 | #672 |
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