GeForce GT 420M vs Radeon HD 4670

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 Radeon HD 4670 is on rank 208, 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 Radeon HD 4670

#1

GeForce RTX 3060 Ti

MSRP: $399|Avg: $280

1273%

#2

GeForce RTX 5060

MSRP: $299|Avg: $299

1223%

#3

Radeon RX 5600 XT

MSRP: $279|Avg: $180

1208%

#4

Radeon RX 9060

MSRP: $249|Avg: $249

1206%

#5

GeForce RTX 5050

MSRP: $249|Avg: $249

1204%

#6

GeForce RTX 3050 OEM

MSRP: $249|Avg: $150

1197%

#7

Arc A580

MSRP: $179|Avg: $179

1182%

#8

Radeon RX 9060 XT

MSRP: $299|Avg: $299

1178%

#9

Radeon RX 9060 XT 8GB

MSRP: $299|Avg: $299

1167%

#10

Radeon RX 7600

MSRP: $269|Avg: $250

1164%

#11

Radeon RX 6600

MSRP: $329|Avg: $180

1149%

#12

GeForce RTX 4060

MSRP: $299|Avg: $299

1147%

#13

Arc B570

MSRP: $219|Avg: $219

1126%

#14

Arc B580

MSRP: $249|Avg: $249

1126%

#193

Radeon R5 430 OEM

MSRP: N/A|Avg: $13

1404%

#208

Radeon HD 4670

MSRP: $67|Avg: $67

100%

#209

Radeon R7 A360

MSRP: $109|Avg: $55

99%

#210

Radeon R5 235X

MSRP: $49|Avg: $15

99%

#211

Radeon HD 7290

MSRP: $20|Avg: $5

98%

#212

Radeon HD 8210

MSRP: $35|Avg: $5

98%

#213

Radeon HD 8330

MSRP: $50|Avg: $10

96%

#214

GeForce GT 420

MSRP: $79|Avg: $79

96%

#215

GeForce GT 520

MSRP: $59|Avg: $15

96%

#216

Radeon HD4670

MSRP: $67|Avg: $15

96%

#217

GeForce GTX 275

MSRP: $249|Avg: $249

95%

#219

Radeon HD 7400G

MSRP: $50|Avg: $15

94%

#220

Radeon HD 7480D

MSRP: $53|Avg: $30

93%

#221

Radeon HD 7520G

MSRP: $60|Avg: $15

92%

#222

Radeon HD 8350G

MSRP: $50|Avg: $50

91%

#223

Radeon HD 6480G

MSRP: $50|Avg: $50

90%

Based on actual market prices and performance benchmarks.

Performance Comparison

About G3D Mark

🏆 Chipversus Verdict

🚀 Performance Leadership

The GeForce GT 420M is the superior choice for raw performance. It leads with a 2.6% higher G3D Mark score. However, the Radeon HD 4670 offers more VRAM, which may be beneficial for texture-heavy scenarios at higher resolutions.

Insight	GeForce GT 420M	Radeon HD 4670
Performance	✅Leading raw performance (+2.6%)	❌Lower raw frame rates (-2.6%)
Longevity	🛑Obsolete Architecture (2012 / Kepler (2012−2018))	🛑Obsolete Architecture (2010 / TeraScale 3 (2010−2013))
Ecosystem	Supports FSR Upscaling	Supports FSR Upscaling
VRAM	❌ Less VRAM capacity	✅ More VRAM (+100%)
Efficiency	💡 Excellent Perf/Watt	⚡ Higher Power Consumption
Case Fit	—	📏 Compact / SFF Friendly

💎 Value Proposition

While current pricing data is unavailable, the GeForce GT 420M 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

Radeon HD 4670 Benchmark Check

Technical Specifications

Side-by-side comparison of GeForce GT 420M and Radeon HD 4670

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.

Radeon HD 4670

The Radeon HD 4670 is manufactured by AMD. It was released in December 14 2010. It features the TeraScale 3 architecture. The boost clock speed is 880 MHz. It has 1536 shading units. The thermal design power (TDP) is 250W. Manufactured using 40 nm process technology. G3D Mark benchmark score: 382 points. Launch price was $369.

⚡

Graphics Performance

The GeForce GT 420M scores 392 and the Radeon HD 4670 reaches 382 in the G3D Mark benchmark — just a 2.6% difference, making them near-identical in rasterization performance. The GeForce GT 420M is built on Kepler while the Radeon HD 4670 uses TeraScale 3, both on 28 nm vs 40 nm. Shader units: 384 (GeForce GT 420M) vs 1,536 (Radeon HD 4670). Raw compute: 0.48 TFLOPS (GeForce GT 420M) vs 2.703 TFLOPS (Radeon HD 4670). Boost clocks: 645 MHz vs 880 MHz.

Feature	GeForce GT 420M	Radeon HD 4670
G3D Mark Score	392+3%	382
Architecture	Kepler	TeraScale 3
Process Node	28 nm	40 nm
Shading Units	384	1536+300%
Compute (TFLOPS)	0.48 TFLOPS	2.703 TFLOPS+463%
Boost Clock	645 MHz	880 MHz+36%
ROPs	16	32+100%
TMUs	32	96+200%
L1 Cache	32 KB	192 KB+500%
L2 Cache	256 KB	512 KB+100%

✨

Advanced Features (DLSS/FSR)

Feature	GeForce GT 420M	Radeon HD 4670
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 Radeon HD 4670 has 1 GB. The Radeon HD 4670 offers 100% more capacity, crucial for higher resolutions and texture-heavy games. Bus width: 128-bit vs 128-bit. L2 Cache: 256 KB (GeForce GT 420M) vs 512 KB (Radeon HD 4670) — the Radeon HD 4670 has significantly larger on-die cache to reduce VRAM reliance.

Feature	GeForce GT 420M	Radeon HD 4670
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	512 KB+100%

🖥️

Display & API Support

DirectX support: 11.0 (GeForce GT 420M) vs 10.1 (Radeon HD 4670). OpenGL: 4.0 vs 3.3. Maximum simultaneous displays: 1 vs 3.

Feature	GeForce GT 420M	Radeon HD 4670
DirectX	11.0+9%	10.1
OpenGL	4.0+21%	3.3
Max Displays	1	3+200%

🎬

Media & Encoding

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,DivX (Radeon HD 4670).

Feature	GeForce GT 420M	Radeon HD 4670
Encoder	No	—
Decoder	PureVideo HD VP4	UVD 2.2
Codecs	MPEG-2,H.264,VC-1,MPEG-4 ASP	H.264,VC-1,MPEG-2,DivX

🔌

Power & Dimensions

The GeForce GT 420M draws 32W versus the Radeon HD 4670's 250W — a 154.6% difference. The GeForce GT 420M is more power-efficient. Recommended PSU: 350W (GeForce GT 420M) vs 300W (Radeon HD 4670). Power connectors: PCIe-powered vs None. Card length: 0mm vs 193mm, occupying 0 vs 1 slots. Typical load temperature: 75°C vs 65°C.

Feature	GeForce GT 420M	Radeon HD 4670
TDP	32W-87%	250W
Recommended PSU	350W	300W-14%
Power Connector	PCIe-powered	None
Length	0mm	193mm
Height	0mm	—
Slots	0-100%	1
Temp (Load)	75°C	65°C-13%
Perf/Watt	12.3+720%	1.5