GeForce 820M vs Radeon HD 7660G

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. The GeForce 820M is positioned at rank 341 and the Radeon HD 7660G is on rank 372, so the GeForce 820M offers better cost-efficiency for playing games.

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

Performance Per Dollar GeForce 820M

#331

Radeon RX 550X (móvel)

MSRP: $35|Avg: $35

901%

#333

GeForce GTX 1070 with Max-Q Design

MSRP: N/A|Avg: $150

817%

#334

GeForce GTX 1060 with Max-Q Design

MSRP: N/A|Avg: $100

815%

#338

GeForce GTX 1050 (Mobile)

MSRP: N/A|Avg: $50

741%

#339

Radeon RX 6300

MSRP: $60|Avg: $40

736%

#341

GeForce 820M

MSRP: N/A|Avg: $30

100%

#342

Radeon R7 M465X

MSRP: $150|Avg: $45

99%

#344

GeForce 830A

MSRP: $100|Avg: $30

97%

#348

GeForce MX350

MSRP: $250|Avg: $200

94%

#349

GeForce 840A

MSRP: $100|Avg: $25

93%

#350

HD Graphics 630

MSRP: $100|Avg: $30

92%

#351

Radeon R9 M295X Mac Edition

MSRP: $450|Avg: $450

92%

#354

Radeon R7 M370

MSRP: $130|Avg: $40

91%

Based on actual market prices and performance benchmarks.

Performance Per Dollar Radeon HD 7660G

#361

Radeon RX 550X (móvel)

MSRP: $35|Avg: $35

1129%

#363

GeForce GTX 1070 with Max-Q Design

MSRP: N/A|Avg: $150

1023%

#364

GeForce GTX 1060 with Max-Q Design

MSRP: N/A|Avg: $100

1020%

#368

GeForce GTX 1050 (Mobile)

MSRP: N/A|Avg: $50

928%

#369

Radeon RX 6300

MSRP: $60|Avg: $40

922%

#371

Radeon R7 M270DX

MSRP: $100|Avg: $20

100%

#372

Radeon HD 7660G

MSRP: $50|Avg: $50

100%

#373

Radeon HD 6670/7670

MSRP: $99|Avg: $40

99%

#374

Radeon 620

MSRP: $100|Avg: $50

99%

#375

Radeon R5 435

MSRP: $80|Avg: $80

99%

#376

Radeon R9 M470X

MSRP: $350|Avg: $350

96%

#378

Radeon R9 M380

MSRP: $300|Avg: $300

95%

#380

Radeon HD 7640G

MSRP: $50|Avg: $50

94%

#383

Radeon R7 M465

MSRP: $120|Avg: $35

92%

#385

GeForce GT 640M LE

MSRP: $80|Avg: $20

91%

#386

Radeon Vega 8 Ryzen 5 3450U

MSRP: $150|Avg: $40

90%

Based on actual market prices and performance benchmarks.

Performance Comparison

About G3D Mark

🏆 Chipversus Verdict

🚀 Performance Leadership

The GeForce 820M is the superior choice for raw performance. It leads with a 0.2% higher G3D Mark score and 300% more VRAM (2 GB vs 512 MB). This advantage makes it significantly better for higher resolutions (1440p/4K) and graphic-intensive titles compared to the Radeon HD 7660G.

Insight	GeForce 820M	Radeon HD 7660G
Performance	✅Leading raw performance (+0.2%)	❌Lower raw frame rates (-0.2%)
Longevity	🛑Obsolete Architecture (2014 / Maxwell (2014−2017))	🛑Obsolete Architecture (2012 / TeraScale 2 (2009−2015))
Ecosystem	Supports FSR Upscaling	Supports FSR Upscaling
VRAM	✅ More VRAM (+300%)	❌ Less VRAM capacity
Efficiency	💡 Excellent Perf/Watt	⚡ Higher Power Consumption
Case Fit	—	—

💎 Value Proposition

The GeForce 820M offers a compelling cost-to-performance ratio. While both GPUs are considered legacy components by modern standards, the GeForce 820M holds the technical lead. Priced at $30 (vs $50), it costs 40% less, resulting in a 67% higher cost efficiency score.

Insight	GeForce 820M	Radeon HD 7660G
Cost Efficiency	✅Better overall value (+67%)	❌Lower cost efficiency
Upfront Cost	✅More affordable ($30)	⚠️Higher upfront cost ($50)

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.

GeForce 820M Benchmark Check

Radeon HD 7660G Benchmark Check

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Check FPS for your specific build

Technical Specifications

Side-by-side comparison of GeForce 820M and Radeon HD 7660G

GeForce 820M

The GeForce 820M is manufactured by NVIDIA. It was released in March 12 2014. It features the Maxwell architecture. The core clock ranges from 1029 MHz to 1124 MHz. It has 384 shading units. The thermal design power (TDP) is 33W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 482 points.

Radeon HD 7660G

The Radeon HD 7660G is manufactured by AMD. It was released in January 5 2012. It features the TeraScale 2 architecture. The core clock speed is 600 MHz. It has 480 shading units. The thermal design power (TDP) is 45W. Manufactured using 40 nm process technology. G3D Mark benchmark score: 481 points.

⚡

Graphics Performance

The GeForce 820M scores 482 and the Radeon HD 7660G reaches 481 in the G3D Mark benchmark — just a 0.2% difference, making them near-identical in rasterization performance. The GeForce 820M is built on Maxwell while the Radeon HD 7660G uses TeraScale 2, both on 28 nm vs 40 nm. Shader units: 384 (GeForce 820M) vs 480 (Radeon HD 7660G). Raw compute: 0.8632 TFLOPS (GeForce 820M) vs 0.576 TFLOPS (Radeon HD 7660G).

Feature	GeForce 820M	Radeon HD 7660G
G3D Mark Score	482	481
Architecture	Maxwell	TeraScale 2
Process Node	28 nm	40 nm
Shading Units	384	480+25%
Compute (TFLOPS)	0.8632 TFLOPS+50%	0.576 TFLOPS
ROPs	8	8
TMUs	16	24+50%
L1 Cache	192 KB+300%	48 KB
L2 Cache	1 MB+300%	0.25 MB

✨

Advanced Features (DLSS/FSR)

Feature	GeForce 820M	Radeon HD 7660G
Upscaling Tech	FSR 1.0 (Software)	FSR 1.0 (Software)
Frame Generation	Not Supported	Not Supported
Ray Reconstruction	No	No
Low Latency	Standard	AMD Anti-Lag

💾

Video Memory (VRAM)

The GeForce 820M comes with 2 GB of VRAM, while the Radeon HD 7660G has 512 MB. The GeForce 820M offers 300% more capacity, crucial for higher resolutions and texture-heavy games. Bus width: 128-bit vs 128-bit. L2 Cache: 1 MB (GeForce 820M) vs 0.25 MB (Radeon HD 7660G) — the GeForce 820M has significantly larger on-die cache to reduce VRAM reliance.

Feature	GeForce 820M	Radeon HD 7660G
VRAM Capacity	2 GB+300%	0.5 GB
Memory Type	GDDR5	GDDR5
Memory Bandwidth	Unknown	Unknown
Bus Width	128-bit	128-bit
L2 Cache	1 MB+300%	0.25 MB

🖥️

Display & API Support

DirectX support: 11.0 (GeForce 820M) vs 11 (11_0) (Radeon HD 7660G). OpenGL: 4.0 vs 4.4. Maximum simultaneous displays: 1 vs 2.

Feature	GeForce 820M	Radeon HD 7660G
DirectX	11.0	11 (11_0)
OpenGL	4.0	4.4+10%
Max Displays	1	2+100%

🎬

Media & Encoding

Hardware encoder: No (GeForce 820M) vs VCE 1.0 (Radeon HD 7660G). Decoder: PureVideo HD VP4 vs UVD 3. Supported codecs: MPEG-2,H.264,VC-1,MPEG-4 ASP (GeForce 820M) vs H.264,VC-1,MPEG-2,DivX (Radeon HD 7660G).

Feature	GeForce 820M	Radeon HD 7660G
Encoder	No	VCE 1.0
Decoder	PureVideo HD VP4	UVD 3
Codecs	MPEG-2,H.264,VC-1,MPEG-4 ASP	H.264,VC-1,MPEG-2,DivX

🔌

Power & Dimensions

The GeForce 820M draws 33W versus the Radeon HD 7660G's 45W — a 30.8% difference. The GeForce 820M is more power-efficient. Recommended PSU: 350W (GeForce 820M) vs 350W (Radeon HD 7660G). Power connectors: Legacy vs 1x 6-pin. Typical load temperature: 70°C vs 75°C.

Feature	GeForce 820M	Radeon HD 7660G
TDP	33W-27%	45W
Recommended PSU	350W	350W
Power Connector	Legacy	1x 6-pin
Length	0mm	—
Height	0mm	—
Slots	0	0
Temp (Load)	70°C-7%	75°C
Perf/Watt	14.6+36%	10.7

💰

Value Analysis

The GeForce 820M costs 40% less ($20 savings) at current market prices. Performance per dollar (G3D Mark / price): 16.1 (GeForce 820M) vs 9.6 (Radeon HD 7660G) — the GeForce 820M offers 67.7% better value. The GeForce 820M is the newer GPU (2014 vs 2012).