
FirePro M4000

Radeon R9 M275X / M375
FirePro M4000 vs Radeon R9 M275X / M375 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.
FirePro M4000 vs Radeon R9 M275X / M375 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
FirePro M4000 vs Radeon R9 M275X / M375: Pros, Cons & Final Verdict
See where each GPU makes more sense in practice: raw FPS, VRAM, features, power draw, pricing, and long-term headroom.
FirePro M4000
2012Why buy it
- ✅Draws 33W instead of 75W, a 42W reduction.
Trade-offs
- ❌Less VRAM, with 2 GB vs 4 GB for high-resolution textures and newer games.
- ❌2012 hardware with 2 GB 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 5.3 G3D/$ (Unknown MSRP vs $300 MSRP).
- ❌8100% longer card at 82mm vs 1mm.
Radeon R9 M275X / M375
2014Why buy it
- ✅Delivers 100+% more G3D Mark for each dollar spent, at 5.3 vs 0 G3D/$ ($300 MSRP vs Unknown MSRP).
- ✅100% more VRAM for high-resolution textures and newer games (4 GB vs 2 GB).
- ✅Measures 1mm instead of 82mm, a 81mm shorter card that is more SFF-friendly.
Trade-offs
- ❌2014 hardware with 4 GB of VRAM is already well past its comfortable zone for modern gaming, so it is hard to recommend now.
- ❌127.3% higher power demand at 75W vs 33W.
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FirePro M4000 vs Radeon R9 M275X / M375 Technical Specifications
Side-by-side specs, architecture details, clocks, memory, power, and platform differences.

FirePro M4000
The FirePro M4000 is manufactured by AMD. It was released in June 27 2012. It features the GCN 1.0 architecture. The core clock speed is 675 MHz. It has 512 shading units. The thermal design power (TDP) is 33W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 1,596 points.

Radeon R9 M275X / M375
The Radeon R9 M275X / M375 is manufactured by AMD. It was released in January 28 2014. It features the GCN 1.0 architecture. The core clock ranges from 900 MHz to 925 MHz. It has 640 shading units. The thermal design power (TDP) is 75W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 1,575 points.
Graphics Performance
The FirePro M4000 scores 1,596 and the Radeon R9 M275X / M375 reaches 1,575 in the G3D Mark benchmark — just a 1.3% difference, making them near-identical in rasterization performance. The FirePro M4000 is built on GCN 1.0 while the Radeon R9 M275X / M375 uses GCN 1.0, both on a 28 nm process. Shader units: 512 (FirePro M4000) vs 640 (Radeon R9 M275X / M375). Raw compute: 0.6912 TFLOPS (FirePro M4000) vs 1.184 TFLOPS (Radeon R9 M275X / M375).
| Feature | FirePro M4000 | Radeon R9 M275X / M375 |
|---|---|---|
| G3D Mark Score | 1,596+1% | 1,575 |
| Architecture | GCN 1.0 | GCN 1.0 |
| Process Node | 28 nm | 28 nm |
| Shading Units | 512 | 640+25% |
| Compute (TFLOPS) | 0.6912 TFLOPS | 1.184 TFLOPS+71% |
| ROPs | 16 | 16 |
| TMUs | 32 | 40+25% |
| L1 Cache | 128 KB | 160 KB+25% |
| L2 Cache | 256 KB | 256 KB |
Advanced Features (DLSS/FSR)
| Feature | FirePro M4000 | Radeon R9 M275X / M375 |
|---|---|---|
| Upscaling Tech | Upscaling support | FSR Upscaling / FSR 4 |
| Frame Generation | Not Supported | Not Supported |
| Ray Reconstruction | No | No |
| Low Latency | Standard | AMD Anti-Lag |
Video Memory (VRAM)
The FirePro M4000 has 2 GB of VRAM, while the Radeon R9 M275X / M375 carries 4 GB. Radeon R9 M275X / M375 gives you 100% more memory capacity, which matters more once you move into heavier textures, mods, or higher resolutions. Memory bus width is 64-bit on the FirePro M4000 and 128-bit on the Radeon R9 M275X / M375.
| Feature | FirePro M4000 | Radeon R9 M275X / M375 |
|---|---|---|
| VRAM Capacity | 2 GB | 4 GB+100% |
| Memory Type | GDDR5 | GDDR5 |
| Bus Width | 64-bit | 128-bit+100% |
| L2 Cache | 256 KB | 256 KB |
Display & API Support
DirectX support: 12 (FirePro M4000) vs 12_0 (Radeon R9 M275X / M375). Maximum simultaneous displays: 6 vs 0.
| Feature | FirePro M4000 | Radeon R9 M275X / M375 |
|---|---|---|
| DirectX | 12 | 12_0 |
| Max Displays | 6 | 0 |
Media & Encoding
Hardware encoder: VCE 1.0 (FirePro M4000) vs VCE 2.0 (Radeon R9 M275X / M375). Decoder: UVD 4.0 vs UVD 4.2.
| Feature | FirePro M4000 | Radeon R9 M275X / M375 |
|---|---|---|
| Encoder | VCE 1.0 | VCE 2.0 |
| Decoder | UVD 4.0 | UVD 4.2 |
| Codecs | H.264,VC-1,MPEG-2,MPEG-4 | — |
Power & Dimensions
The FirePro M4000 draws 33W versus the Radeon R9 M275X / M375's 75W — a 77.8% difference. The FirePro M4000 is more power-efficient. Recommended PSU: 350W (FirePro M4000) vs 350W (Radeon R9 M275X / M375). Power connectors: PCIe-powered vs Mobile. Card length: 82mm vs 1mm, occupying 1 vs 0 slots.
| Feature | FirePro M4000 | Radeon R9 M275X / M375 |
|---|---|---|
| TDP | 33W-56% | 75W |
| Recommended PSU | 350W | 350W |
| Power Connector | PCIe-powered | Mobile |
| Length | 82mm | 1mm |
| Height | 0mm | — |
| Slots | 1 | 0-100% |
| Temp (Load) | 75°C | — |
| Perf/Watt | 48.4+130% | 21.0 |
Value Analysis
At launch, the FirePro M4000 came in at $0, while the Radeon R9 M275X / M375 launched at $300. On MSRP, FirePro M4000 was 100+% cheaper ($300 less). Performance per dollar on MSRP (G3D Mark / MSRP): Infinity (FirePro M4000) vs 5.3 (Radeon R9 M275X / M375) — the FirePro M4000 offers Infinity% better value. The newer card here is Radeon R9 M275X / M375 (2014 vs 2012).
| Feature | FirePro M4000 | Radeon R9 M275X / M375 |
|---|---|---|
| MSRP | $0-100% | $300 |
| Performance per Dollar | Infinity | 5.3 |
| Codename | Chelsea | Venus |
| Release | June 27 2012 | January 28 2014 |
| Ranking | #752 | #746 |
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