Radeon R9 270 / R7 370 vs GeForce GTX 660

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 Radeon R9 270 / R7 370 is the superior choice for raw performance. It leads with a 5.4% higher G3D Mark score. However, the GeForce GTX 660 offers more VRAM, which may be beneficial for texture-heavy scenarios at higher resolutions.

Insight	Radeon R9 270 / R7 370	GeForce GTX 660
Performance	✅Leading raw performance (+5.4%)	❌Lower raw frame rates (-5.4%)
Longevity	🛑Obsolete Architecture (2015 / GCN 1.0 (2012−2020))	🛑Obsolete Architecture (2012 / Kepler (2012−2018))
Ecosystem	Supports FSR Upscaling	Supports FSR Upscaling
VRAM	❌ Less VRAM capacity	✅ More VRAM (+50%)
Efficiency	💡 Excellent Perf/Watt	⚡ Higher Power Consumption
Case Fit	📏 Compact / SFF Friendly	📏 Compact / SFF Friendly

💎 Value Proposition

The GeForce GTX 660 offers a compelling cost-to-performance ratio. While both GPUs are considered legacy components by modern standards, the GeForce GTX 660 holds the technical lead. Priced at $15 (vs $149), it costs 90% less, resulting in a 842% higher cost efficiency score.

Insight	Radeon R9 270 / R7 370	GeForce GTX 660
Cost Efficiency	❌Lower cost efficiency	✅Better overall value (+842%)
Upfront Cost	⚠️Higher upfront cost ($149)	✅More affordable ($15)

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 R9 270 / R7 370 Benchmark Check

GeForce GTX 660 Benchmark Check

Technical Specifications

Side-by-side comparison of Radeon R9 270 / R7 370 and GeForce GTX 660

Radeon R9 270 / R7 370

The Radeon R9 270 / R7 370 is manufactured by AMD. It was released in May 5 2015. It features the GCN 1.0 architecture. The core clock ranges from 925 MHz to 975 MHz. It has 1280 shading units. The thermal design power (TDP) is 110W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 4,260 points.

GeForce GTX 660

The GeForce GTX 660 is manufactured by NVIDIA. It was released in September 6 2012. It features the Kepler architecture. The core clock ranges from 980 MHz to 1033 MHz. It has 960 shading units. The thermal design power (TDP) is 140W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 4,040 points. Launch price was $229.

⚡

Graphics Performance

In G3D Mark, the Radeon R9 270 / R7 370 scores 4,260 versus the GeForce GTX 660's 4,040 — the Radeon R9 270 / R7 370 leads by 5.4%. The Radeon R9 270 / R7 370 is built on GCN 1.0 while the GeForce GTX 660 uses Kepler, both on a 28 nm process. Shader units: 1,280 (Radeon R9 270 / R7 370) vs 960 (GeForce GTX 660). Raw compute: 2.496 TFLOPS (Radeon R9 270 / R7 370) vs 1.981 TFLOPS (GeForce GTX 660). Boost clocks: 975 MHz vs 1033 MHz.

Feature	Radeon R9 270 / R7 370	GeForce GTX 660
G3D Mark Score	4,260+5%	4,040
Architecture	GCN 1.0	Kepler
Process Node	28 nm	28 nm
Shading Units	1280+33%	960
Compute (TFLOPS)	2.496 TFLOPS+26%	1.981 TFLOPS
Boost Clock	975 MHz	1033 MHz+6%
ROPs	32+33%	24
TMUs	80	80
L1 Cache	384 KB+380%	80 KB
L2 Cache	512 KB+33%	384 KB

✨

Advanced Features (DLSS/FSR)

Feature	Radeon R9 270 / R7 370	GeForce GTX 660
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 R9 270 / R7 370 comes with 2 GB of VRAM, while the GeForce GTX 660 has 3 GB. The GeForce GTX 660 offers 50% more capacity, crucial for higher resolutions and texture-heavy games. Memory bandwidth: 179.2 GB/s (Radeon R9 270 / R7 370) vs 144.2 GB/s (GeForce GTX 660) — a 24.3% advantage for the Radeon R9 270 / R7 370. Bus width: 256-bit vs 192-bit. L2 Cache: 512 KB (Radeon R9 270 / R7 370) vs 384 KB (GeForce GTX 660) — the Radeon R9 270 / R7 370 has significantly larger on-die cache to reduce VRAM reliance.

Feature	Radeon R9 270 / R7 370	GeForce GTX 660
VRAM Capacity	2 GB	3 GB+50%
Memory Type	GDDR5	GDDR5
Memory Bandwidth	179.2 GB/s+24%	144.2 GB/s
Bus Width	256-bit+33%	192-bit
L2 Cache	512 KB+33%	384 KB

🖥️

Display & API Support

DirectX support: 12 (11_1) (Radeon R9 270 / R7 370) vs 12 (GeForce GTX 660). Maximum simultaneous displays: 4 vs 4.

Feature	Radeon R9 270 / R7 370	GeForce GTX 660
DirectX	12 (11_1)	12
Max Displays	4	4

🎬

Media & Encoding

Hardware encoder: VCE 1.0 (Radeon R9 270 / R7 370) vs NVENC 1st Gen (GeForce GTX 660). Decoder: UVD 4.0 vs NVDEC 1st Gen. Supported codecs: H.264,MPEG-2,VC-1 (Radeon R9 270 / R7 370) vs H.264 (GeForce GTX 660).

Feature	Radeon R9 270 / R7 370	GeForce GTX 660
Encoder	VCE 1.0	NVENC 1st Gen
Decoder	UVD 4.0	NVDEC 1st Gen
Codecs	H.264,MPEG-2,VC-1	H.264

🔌

Power & Dimensions

The Radeon R9 270 / R7 370 draws 110W versus the GeForce GTX 660's 140W — a 24% difference. The Radeon R9 270 / R7 370 is more power-efficient. Recommended PSU: 450W (Radeon R9 270 / R7 370) vs 450W (GeForce GTX 660). Power connectors: 1x 6-pin vs 1x 6-pin. Card length: 220mm vs 241mm, occupying 2 vs 2 slots.

Feature	Radeon R9 270 / R7 370	GeForce GTX 660
TDP	110W-21%	140W
Recommended PSU	450W	450W
Power Connector	1x 6-pin	1x 6-pin
Length	220mm	241mm
Height	111mm	—
Slots	2	2
Temp (Load)	70	—
Perf/Watt	38.7+34%	28.9

💰

Value Analysis

The Radeon R9 270 / R7 370 launched at $149 MSRP and currently averages $149, while the GeForce GTX 660 launched at $229 and now averages $15. The GeForce GTX 660 costs 89.9% less ($134 savings) at current market prices. Performance per dollar (G3D Mark / price): 28.6 (Radeon R9 270 / R7 370) vs 269.3 (GeForce GTX 660) — the GeForce GTX 660 offers 841.6% better value. The Radeon R9 270 / R7 370 is the newer GPU (2015 vs 2012).