FirePro M5100 vs GeForce GTX 645

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.

Value Upgrade Path

This is the official ChipVERSUS Value Rating, comparing raw performance (G3D Mark) per dollar. Components placed above yours deliver better value for money.

MSRP is the manufacturer's suggested retail price.•
Avg price is the current average price collected from markets across the web.

Performance Per Dollar

Based on actual market prices and performance benchmarks.

Performance Per Dollar

Based on actual market prices and performance benchmarks.

Performance Comparison

About G3D Mark

🏆 Chipversus Verdict

🚀 Performance Leadership

The GeForce GTX 645 is the superior choice for raw performance. It leads with a 0.3% higher G3D Mark score. However, the FirePro M5100 offers more VRAM, which may be beneficial for texture-heavy scenarios at higher resolutions.

Insight	FirePro M5100	GeForce GTX 645
Performance	❌Lower raw frame rates (-0.3%)	✅Leading raw performance (+0.3%)
Longevity	🛑Obsolete Architecture (2013 / GCN 1.0 (2012−2020))	🛑Obsolete Architecture (2010 / Fermi (2010−2014))
Ecosystem	Supports FSR Upscaling	Supports FSR Upscaling
VRAM	✅ More VRAM (+100%)	❌ Less VRAM capacity
Efficiency	💡 Excellent Perf/Watt	⚡ Higher Power Consumption
Case Fit	📏 Compact / SFF Friendly	📏 Compact / SFF Friendly

💎 Value Proposition

The GeForce GTX 645 offers a compelling cost-to-performance ratio. While both GPUs are considered legacy components by modern standards, the GeForce GTX 645 holds the technical lead. Priced at $20 (vs $30), it costs 33% less, resulting in a 50.5% higher cost efficiency score.

Insight	FirePro M5100	GeForce GTX 645
Cost Efficiency	❌Lower cost efficiency	✅Better overall value (+50.5%)
Upfront Cost	⚠️Higher upfront cost ($30)	✅More affordable ($20)

Performance Check

Real-world benchmarks and performance projections based on comprehensive hardware analysis and comparative metrics. Values represent expected performance on High/Ultra settings at 1080p, 1440p, and 4K. Modeled using a Ryzen 7 7800X3D reference profile to minimize specific CPU bottlenecks.

Note: Performance behavior can vary per game. Specific architectures may perform better or worse depending on game engine optimizations and API implementation.

FirePro M5100 Benchmark Check

GeForce GTX 645 Benchmark Check

Technical Specifications

Side-by-side comparison of FirePro M5100 and GeForce GTX 645

FirePro M5100

The FirePro M5100 is manufactured by AMD. It was released in October 16 2013. It features the GCN 1.0 architecture. The core clock ranges from 725 MHz to 775 MHz. It has 640 shading units. The thermal design power (TDP) is 150W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 1,874 points.

GeForce GTX 645

The GeForce GTX 645 is manufactured by NVIDIA. It was released in May 31 2010. It features the Fermi architecture. The core clock speed is 607 MHz. It has 352 shading units. The thermal design power (TDP) is 200W. Manufactured using 40 nm process technology. G3D Mark benchmark score: 1,880 points. Launch price was $279.

⚡

Graphics Performance

The FirePro M5100 scores 1,874 and the GeForce GTX 645 reaches 1,880 in the G3D Mark benchmark — just a 0.3% difference, making them near-identical in rasterization performance. The FirePro M5100 is built on GCN 1.0 while the GeForce GTX 645 uses Fermi, both on 28 nm vs 40 nm. Shader units: 640 (FirePro M5100) vs 352 (GeForce GTX 645). Raw compute: 0.992 TFLOPS (FirePro M5100) vs 0.8554 TFLOPS (GeForce GTX 645).

Feature	FirePro M5100	GeForce GTX 645
G3D Mark Score	1,874	1,880
Architecture	GCN 1.0	Fermi
Process Node	28 nm	40 nm
Shading Units	640+82%	352
Compute (TFLOPS)	0.992 TFLOPS+16%	0.8554 TFLOPS
ROPs	16	32+100%
TMUs	40	44+10%
L1 Cache	160 KB	704 KB+340%
L2 Cache	256 KB	512 KB+100%

✨

Advanced Features (DLSS/FSR)

Feature	FirePro M5100	GeForce GTX 645
Upscaling Tech	FSR 1.0 (Software)	FSR 2.1 (Compatible)
Frame Generation	Not Supported	FSR 3 (Compatible)
Ray Reconstruction	No	No
Low Latency	Standard	Standard

💾

Video Memory (VRAM)

The FirePro M5100 comes with 2 GB of VRAM, while the GeForce GTX 645 has 1 GB. The FirePro M5100 offers 100% more capacity, crucial for higher resolutions and texture-heavy games. Bus width: 64-bit vs 128-bit. L2 Cache: 256 KB (FirePro M5100) vs 512 KB (GeForce GTX 645) — the GeForce GTX 645 has significantly larger on-die cache to reduce VRAM reliance.

Feature	FirePro M5100	GeForce GTX 645
VRAM Capacity	2 GB+100%	1 GB
Memory Type	GDDR5	GDDR5
Bus Width	64-bit	128-bit+100%
L2 Cache	256 KB	512 KB+100%

🖥️

Display & API Support

DirectX support: 12 (FL11_1) (FirePro M5100) vs 11.0 (GeForce GTX 645). Vulkan: 1.2 vs 1.2. OpenGL: 4.6 vs 4.6. Maximum simultaneous displays: 1 vs 3.

Feature	FirePro M5100	GeForce GTX 645
DirectX	12 (FL11_1)+9%	11.0
Vulkan	1.2	1.2
OpenGL	4.6	4.6
Max Displays	1	3+200%

🎬

Media & Encoding

Hardware encoder: VCE 1.0 (FirePro M5100) vs NVENC (1st Gen) (GeForce GTX 645). Decoder: UVD 4.0 vs PureVideo VP5. Supported codecs: H.264,VC-1 (FirePro M5100) vs MPEG-2,VC-1,H.264,MPEG-4 (GeForce GTX 645).

Feature	FirePro M5100	GeForce GTX 645
Encoder	VCE 1.0	NVENC (1st Gen)
Decoder	UVD 4.0	PureVideo VP5
Codecs	H.264,VC-1	MPEG-2,VC-1,H.264,MPEG-4

🔌

Power & Dimensions

The FirePro M5100 draws 150W versus the GeForce GTX 645's 200W — a 28.6% difference. The FirePro M5100 is more power-efficient. Recommended PSU: 350W (FirePro M5100) vs 300W (GeForce GTX 645). Power connectors: PCIe-powered vs None. Card length: 82mm vs 147mm, occupying 1 vs 1 slots. Typical load temperature: 75°C vs 80.

Feature	FirePro M5100	GeForce GTX 645
TDP	150W-25%	200W
Recommended PSU	350W	300W-14%
Power Connector	PCIe-powered	None
Length	82mm	147mm
Height	70mm	111mm
Slots	1	1
Temp (Load)	75°C-6%	80
Perf/Watt	12.5+33%	9.4

💰

Value Analysis

The FirePro M5100 launched at $0 MSRP and currently averages $30, while the GeForce GTX 645 launched at $150 and now averages $20. The GeForce GTX 645 costs 33.3% less ($10 savings) at current market prices. Performance per dollar (G3D Mark / price): 62.5 (FirePro M5100) vs 94.0 (GeForce GTX 645) — the GeForce GTX 645 offers 50.4% better value. The FirePro M5100 is the newer GPU (2013 vs 2010).