Radeon HD 7660G vs GeForce 820M

Radeon HD 7660G

2012Core: 600 MHz

GeForce 820M

2014Core: 1029 MHzBoost: 1124 MHz

Performance Spectrum - GPU

Radeon HD 7660G

481

0.0%

482

+0.2%

GeForce GTX 560 Ti 448

GeForce GTX 1060 3GB

GeForce GTX 1070 Ti

GeForce RTX 2080 SUPER

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.

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 Radeon HD 7660G is positioned at rank 372 and the GeForce 820M is on rank 341, 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 Radeon HD 7660G

#362

Radeon RX 550X (móvel)

MSRP: $35|Avg: $35

1129%

#364

GeForce GTX 1070 with Max-Q Design

MSRP: N/A|Avg: $150

1023%

#365

GeForce GTX 1060 with Max-Q Design

MSRP: N/A|Avg: $100

1020%

#369

GeForce GTX 1050 (Mobile)

MSRP: N/A|Avg: $50

928%

#370

Radeon RX 6300

MSRP: $60|Avg: $40

922%

#372

Radeon HD 7660G

MSRP: $50|Avg: $50

100%

#373

Radeon R7 M270DX

MSRP: $100|Avg: $20

100%

#374

Radeon HD 6670/7670

MSRP: $99|Avg: $40

99%

#375

Radeon 620

MSRP: $100|Avg: $50

99%

#376

Radeon R5 435

MSRP: $80|Avg: $80

99%

#377

Radeon R9 M470X

MSRP: $350|Avg: $350

96%

#379

Radeon R9 M380

MSRP: $300|Avg: $300

95%

#381

Radeon HD 7640G

MSRP: $50|Avg: $50

94%

#384

Radeon R7 M465

MSRP: $120|Avg: $35

92%

#386

GeForce GT 640M LE

MSRP: $80|Avg: $20

91%

#387

Radeon Vega 8 Ryzen 5 3450U

MSRP: $150|Avg: $40

90%

Based on actual market prices and performance benchmarks.

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 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	Radeon HD 7660G	GeForce 820M
Performance	❌Lower raw frame rates (-0.2%)	✅Leading raw performance (+0.2%)
Longevity	🛑Obsolete Architecture (2012 / TeraScale 2 (2009−2015))	🛑Obsolete Architecture (2014 / Maxwell (2014−2017))
Ecosystem	Supports FSR Upscaling	Supports FSR Upscaling
VRAM	❌ Less VRAM capacity	✅ More VRAM (+300%)
Efficiency	⚡ Higher Power Consumption	💡 Excellent Perf/Watt
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	Radeon HD 7660G	GeForce 820M
Cost Efficiency	❌Lower cost efficiency	✅Better overall value (+67%)
Upfront Cost	⚠️Higher upfront cost ($50)	✅More affordable ($30)

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 HD 7660G Benchmark Check

GeForce 820M Benchmark Check

Technical Specifications

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

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.

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.

⚡

Graphics Performance

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

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

✨

Advanced Features (DLSS/FSR)

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

💾

Video Memory (VRAM)

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

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

🖥️

Display & API Support

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

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

🎬

Media & Encoding

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

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

🔌

Power & Dimensions

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

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

💰

Value Analysis

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