Radeon Instinct MI25 MxGPU vs GeForce GTX 660 Ti

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. The Radeon Instinct MI25 MxGPU is positioned at rank #24 in our cost-efficiency ranking, representing a Great cost-benefit for your build. 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 Radeon Instinct MI25 MxGPU

#9

Tesla K20m

MSRP: $3199|Avg: $55

332%

#9

Intel Arc Pro B50

MSRP: $349|Avg: $349

79%

#11

Quadro RTX 4000 (móvel)

MSRP: $900|Avg: $300

75%

#16

Radeon PRO W7500

MSRP: $429|Avg: $401

70%

#18

Radeon Pro V520 MxGPU

MSRP: N/A|Avg: $340

69%

#24

Radeon Instinct MI25 MxGPU

MSRP: N/A|Avg: N/A

100%

#26

RTX A400

MSRP: $135|Avg: $135

100%

#29

Radeon Pro 5500 XT

MSRP: $199|Avg: $100

89%

#33

Radeon PRO W6400

MSRP: $229|Avg: $200

83%

#36

T600

MSRP: $200|Avg: $180

72%

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 660 Ti is the superior choice for raw performance. It leads with a 0.3% higher G3D Mark score and 50% more VRAM (3 GB vs 2 GB). This advantage makes it significantly better for higher resolutions (1440p/4K) and graphic-intensive titles compared to the Radeon Instinct MI25 MxGPU.

Insight	Radeon Instinct MI25 MxGPU	GeForce GTX 660 Ti
Performance	❌Lower raw frame rates (-0.3%)	✅Leading raw performance (+0.3%)
Longevity	🛑Obsolete Architecture (2017 / GCN 5.0 (2017−2020))	🛑Obsolete Architecture (2012 / Kepler (2012−2018))
Ecosystem	Supports FSR Upscaling	Supports FSR Upscaling
VRAM	❌ Less VRAM capacity	✅ More VRAM (+50%)
Efficiency	⚡ Higher Power Consumption	💡 Excellent Perf/Watt
Case Fit	—	📏 Compact / SFF Friendly

💎 Value Proposition

While current pricing data is unavailable, the GeForce GTX 660 Ti remains the clear technical winner. Check real-time availability to determine if the performance gap justifies the market price.

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.

Radeon Instinct MI25 MxGPU Benchmark Check

GeForce GTX 660 Ti Benchmark Check

Technical Specifications

Side-by-side comparison of Radeon Instinct MI25 MxGPU and GeForce GTX 660 Ti

Radeon Instinct MI25 MxGPU

The Radeon Instinct MI25 MxGPU is manufactured by AMD. It was released in June 27 2017. It features the GCN 5.0 architecture. The core clock ranges from 1400 MHz to 1500 MHz. It has 4096 ×2 shading units. The thermal design power (TDP) is 300W. Manufactured using 14 nm process technology. G3D Mark benchmark score: 4,403 points.

GeForce GTX 660 Ti

The GeForce GTX 660 Ti is manufactured by NVIDIA. It was released in August 16 2012. It features the Kepler architecture. The core clock ranges from 915 MHz to 980 MHz. It has 1344 shading units. The thermal design power (TDP) is 150W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 4,415 points. Launch price was $299.

⚡

Graphics Performance

The Radeon Instinct MI25 MxGPU scores 4,403 and the GeForce GTX 660 Ti reaches 4,415 in the G3D Mark benchmark — just a 0.3% difference, making them near-identical in rasterization performance. The Radeon Instinct MI25 MxGPU is built on GCN 5.0 while the GeForce GTX 660 Ti uses Kepler, both on 14 nm vs 28 nm. Shader units: 4,096 (Radeon Instinct MI25 MxGPU) vs 1,344 (GeForce GTX 660 Ti). Raw compute: 12.29 TFLOPS ×2 (Radeon Instinct MI25 MxGPU) vs 2.634 TFLOPS (GeForce GTX 660 Ti). Boost clocks: 1500 MHz vs 980 MHz.

Feature	Radeon Instinct MI25 MxGPU	GeForce GTX 660 Ti
G3D Mark Score	4,403	4,415
Architecture	GCN 5.0	Kepler
Process Node	14 nm	28 nm
Shading Units	4096 ×2+205%	1344
Compute (TFLOPS)	12.29 TFLOPS ×2+367%	2.634 TFLOPS
Boost Clock	1500 MHz+53%	980 MHz
ROPs	64 ×2+167%	24
TMUs	256 ×2+129%	112
L1 Cache	1 MB+809%	0.11 MB
L2 Cache	4 MB+953%	0.38 MB

✨

Advanced Features (DLSS/FSR)

Feature	Radeon Instinct MI25 MxGPU	GeForce GTX 660 Ti
Upscaling Tech	FSR 1.0 (Software)	FSR 2.1 (Compatible)
Frame Generation	Not Supported	FSR 3 (Compatible)
Ray Reconstruction	No	No
Low Latency	AMD Anti-Lag	Standard

💾

Video Memory (VRAM)

The Radeon Instinct MI25 MxGPU comes with 2 GB of VRAM, while the GeForce GTX 660 Ti has 3 GB. The GeForce GTX 660 Ti offers 50% more capacity, crucial for higher resolutions and texture-heavy games. Bus width: 64-bit vs 192-bit. L2 Cache: 4 MB (Radeon Instinct MI25 MxGPU) vs 0.38 MB (GeForce GTX 660 Ti) — the Radeon Instinct MI25 MxGPU has significantly larger on-die cache to reduce VRAM reliance.

Feature	Radeon Instinct MI25 MxGPU	GeForce GTX 660 Ti
VRAM Capacity	2 GB	3 GB+50%
Memory Type	GDDR5	GDDR5
Bus Width	64-bit	192-bit+200%
L2 Cache	4 MB+953%	0.38 MB

🔌

Power & Dimensions

The Radeon Instinct MI25 MxGPU draws 300W versus the GeForce GTX 660 Ti's 150W — a 66.7% difference. The GeForce GTX 660 Ti is more power-efficient. Recommended PSU: 350W (Radeon Instinct MI25 MxGPU) vs 450W (GeForce GTX 660 Ti). Power connectors: PCIe-powered vs 2x 6-pin.

Feature	Radeon Instinct MI25 MxGPU	GeForce GTX 660 Ti
TDP	300W	150W-50%
Recommended PSU	350W-22%	450W
Power Connector	PCIe-powered	2x 6-pin
Length	—	241mm
Height	—	111mm
Slots	—	2
Temp (Load)	—	97°C
Perf/Watt	14.7	29.4+100%