GeForce GT 420M vs Mobility Radeon HD 4650

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 GT 420M is positioned at rank 113 and the Mobility Radeon HD 4650 is on rank 398, so the GeForce GT 420M 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 GT 420M

#103

Radeon RX 550X (móvel)

MSRP: $35|Avg: $35

277%

#105

GeForce GTX 1070 with Max-Q Design

MSRP: N/A|Avg: $150

251%

#106

GeForce GTX 1060 with Max-Q Design

MSRP: N/A|Avg: $100

250%

#110

GeForce GTX 1050 (Mobile)

MSRP: N/A|Avg: $50

228%

#111

Radeon RX 6300

MSRP: $60|Avg: $40

226%

#113

GeForce GT 420M

MSRP: N/A|Avg: N/A

100%

#114

Radeon RX 470 (móvel)

MSRP: $179|Avg: $40

100%

#116

GeForce GTX 880M

MSRP: N/A|Avg: $150

98%

#117

GeForce MX570

MSRP: $150|Avg: $120

98%

#118

Radeon RX 6500

MSRP: $199|Avg: $150

98%

#119

GeForce 825M

MSRP: N/A|Avg: $30

97%

#121

Radeon HD 6970M

MSRP: N/A|Avg: $48

97%

#123

Radeon HD 6970M Crossfire

MSRP: $150|Avg: $150

96%

#126

GeForce GT 550M

MSRP: N/A|Avg: $30

95%

Based on actual market prices and performance benchmarks.

Performance Per Dollar Mobility Radeon HD 4650

#388

Radeon RX 550X (móvel)

MSRP: $35|Avg: $35

1327%

#390

GeForce GTX 1070 with Max-Q Design

MSRP: N/A|Avg: $150

1203%

#391

GeForce GTX 1060 with Max-Q Design

MSRP: N/A|Avg: $100

1200%

#395

GeForce GTX 1050 (Mobile)

MSRP: N/A|Avg: $50

1091%

#396

Radeon RX 6300

MSRP: $60|Avg: $40

1084%

#398

Mobility Radeon HD 4650

MSRP: $49|Avg: $15

100%

#399

Radeon R9 M290X

MSRP: $400|Avg: $60

98%

#401

Radeon HD 7670

MSRP: $100|Avg: $25

98%

#402

Radeon HD 8550G + 8750M Dual

MSRP: $100|Avg: $100

97%

#403

Mobility Radeon HD 5000

MSRP: $99|Avg: $20

95%

#404

Iris Pro Graphics 5200

MSRP: $150|Avg: $40

95%

#406

Radeon RX Vega 10 Ryzen 7 3700C

MSRP: $150|Avg: $50

95%

#407

Radeon HD 8650G + 7700M Dual

MSRP: $150|Avg: $30

92%

#408

Radeon R9 M290X Crossfire

MSRP: $800|Avg: $200

92%

#409

GeForce GTX 285M SLI

MSRP: N/A|Avg: $40

90%

#410

Radeon R7 M260X

MSRP: $139|Avg: $35

89%

#411

Radeon HD 8570D + HD 6570 Dual

MSRP: $120|Avg: $25

88%

#412

Intel UHD Graphics 615

MSRP: $100|Avg: $50

88%

#413

Radeon R7 A365

MSRP: $109|Avg: $55

88%

Based on actual market prices and performance benchmarks.

Performance Comparison

About G3D Mark

🏆 Chipversus Verdict

🚀 Performance Leadership

The Mobility Radeon HD 4650 is the superior choice for raw performance. It leads with a 2.3% higher G3D Mark score and 100% more VRAM (1 GB vs 512 MB). This advantage makes it significantly better for higher resolutions (1440p/4K) and graphic-intensive titles compared to the GeForce GT 420M.

Insight	GeForce GT 420M	Mobility Radeon HD 4650
Performance	❌Lower raw frame rates (-2.3%)	✅Leading raw performance (+2.3%)
Longevity	🛑Obsolete Architecture (2012 / Kepler (2012−2018))	🛑Obsolete Architecture (2010 / TeraScale 2 (2009−2015))
Ecosystem	Supports FSR Upscaling	Supports FSR Upscaling
VRAM	❌ Less VRAM capacity	✅ More VRAM (+100%)
Efficiency	💡 Excellent Perf/Watt	⚡ Higher Power Consumption
Case Fit	—	—

💎 Value Proposition

While current pricing data is unavailable, the Mobility Radeon HD 4650 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.

GeForce GT 420M Benchmark Check

Mobility Radeon HD 4650 Benchmark Check

Technical Specifications

Side-by-side comparison of GeForce GT 420M and Mobility Radeon HD 4650

GeForce GT 420M

The GeForce GT 420M is manufactured by NVIDIA. It was released in March 22 2012. It features the Kepler architecture. The core clock ranges from Up to 625 MHz to 645 MHz. It has 384 shading units. The thermal design power (TDP) is 32W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 392 points.

Mobility Radeon HD 4650

The Mobility Radeon HD 4650 is manufactured by AMD. It was released in January 7 2010. It features the TeraScale 2 architecture. The core clock speed is 700 MHz. It has 800 shading units. The thermal design power (TDP) is 50W. Manufactured using 40 nm process technology. G3D Mark benchmark score: 401 points.

⚡

Graphics Performance

The GeForce GT 420M scores 392 and the Mobility Radeon HD 4650 reaches 401 in the G3D Mark benchmark — just a 2.3% difference, making them near-identical in rasterization performance. The GeForce GT 420M is built on Kepler while the Mobility Radeon HD 4650 uses TeraScale 2, both on 28 nm vs 40 nm. Shader units: 384 (GeForce GT 420M) vs 800 (Mobility Radeon HD 4650). Raw compute: 0.48 TFLOPS (GeForce GT 420M) vs 1.12 TFLOPS (Mobility Radeon HD 4650).

Feature	GeForce GT 420M	Mobility Radeon HD 4650
G3D Mark Score	392	401+2%
Architecture	Kepler	TeraScale 2
Process Node	28 nm	40 nm
Shading Units	384	800+108%
Compute (TFLOPS)	0.48 TFLOPS	1.12 TFLOPS+133%
ROPs	16	16
TMUs	32	40+25%
L1 Cache	32 KB	80 KB+150%
L2 Cache	256 KB	256 KB

✨

Advanced Features (DLSS/FSR)

Feature	GeForce GT 420M	Mobility Radeon HD 4650
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 GT 420M comes with 512 MB of VRAM, while the Mobility Radeon HD 4650 has 1 GB. The Mobility Radeon HD 4650 offers 100% more capacity, crucial for higher resolutions and texture-heavy games. Bus width: 128-bit vs 128-bit.

Feature	GeForce GT 420M	Mobility Radeon HD 4650
VRAM Capacity	0.5 GB	1 GB+100%
Memory Type	GDDR5	GDDR5
Memory Bandwidth	Unknown	Unknown
Bus Width	128-bit	128-bit
L2 Cache	256 KB	256 KB

🖥️

Display & API Support

DirectX support: 11.0 (GeForce GT 420M) vs 10.1 (Mobility Radeon HD 4650). Vulkan: None vs N/A. OpenGL: 4.0 vs 3.3. Maximum simultaneous displays: 1 vs 2.

Feature	GeForce GT 420M	Mobility Radeon HD 4650
DirectX	11.0+9%	10.1
Vulkan	None	N/A
OpenGL	4.0+21%	3.3
Max Displays	1	2+100%

🎬

Media & Encoding

Hardware encoder: No (GeForce GT 420M) vs None (Mobility Radeon HD 4650). Decoder: PureVideo HD VP4 vs UVD 2.2. Supported codecs: MPEG-2,H.264,VC-1,MPEG-4 ASP (GeForce GT 420M) vs H.264,VC-1,MPEG-2 (Mobility Radeon HD 4650).

Feature	GeForce GT 420M	Mobility Radeon HD 4650
Encoder	No	None
Decoder	PureVideo HD VP4	UVD 2.2
Codecs	MPEG-2,H.264,VC-1,MPEG-4 ASP	H.264,VC-1,MPEG-2

🔌

Power & Dimensions

The GeForce GT 420M draws 32W versus the Mobility Radeon HD 4650's 50W — a 43.9% difference. The GeForce GT 420M is more power-efficient. Recommended PSU: 350W (GeForce GT 420M) vs 350W (Mobility Radeon HD 4650). Power connectors: PCIe-powered vs PCIe-powered. Card length: 0mm vs 0mm, occupying 0 vs 0 slots. Typical load temperature: 75°C vs 80.