Quadro K420 vs Radeon HD 6670

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 Quadro K420 is positioned at rank 220 and the Radeon HD 6670 is on rank 172, so the Radeon HD 6670 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 Quadro K420

#94

RTX PRO 5000 Blackwell

MSRP: $6999|Avg: $4799

91%

#96

L4

MSRP: $2345|Avg: $1800

89%

#97

RTX 6000 Ada Generation

MSRP: $6799|Avg: $5500

87%

#98

RTX 5880 Ada Generation

MSRP: $6000|Avg: $6000

86%

#99

Tesla M40

MSRP: $2500|Avg: $1099

85%

#205

Tesla K20m

MSRP: $3199|Avg: $55

3052%

#220

Quadro K420

MSRP: $150|Avg: $20

100%

#223

FirePro W7000

MSRP: $899|Avg: $50

99%

#224

Radeon R7 PRO A10-9700

MSRP: $169|Avg: $100

99%

#226

FirePro D500

MSRP: $500|Avg: $150

94%

#227

FirePro 3D V4800

MSRP: $189|Avg: $20

93%

#231

GRID T4-2Q

MSRP: $845|Avg: $600

90%

Based on actual market prices and performance benchmarks.

Performance Per Dollar Radeon HD 6670

#1

GeForce RTX 3060 Ti

MSRP: $399|Avg: $280

991%

#2

GeForce RTX 5060

MSRP: $299|Avg: $299

952%

#3

Radeon RX 5600 XT

MSRP: $279|Avg: $180

941%

#4

Radeon RX 9060

MSRP: $249|Avg: $249

939%

#5

GeForce RTX 5050

MSRP: $249|Avg: $249

937%

#6

GeForce RTX 3050 OEM

MSRP: $249|Avg: $150

932%

#7

Arc A580

MSRP: $179|Avg: $179

920%

#8

Radeon RX 9060 XT

MSRP: $299|Avg: $299

917%

#9

Radeon RX 9060 XT 8GB

MSRP: $299|Avg: $299

908%

#10

Radeon RX 7600

MSRP: $269|Avg: $250

906%

#11

Radeon RX 6600

MSRP: $329|Avg: $180

895%

#12

GeForce RTX 4060

MSRP: $299|Avg: $299

893%

#13

Arc B570

MSRP: $219|Avg: $219

877%

#14

Arc B580

MSRP: $249|Avg: $249

877%

#92

Radeon Ryzen 7 4800H

MSRP: $450|Avg: $450

98%

#93

Radeon Ryzen 5 5600U

MSRP: $300|Avg: $300

95%

#94

Radeon Ryzen 5 5600H

MSRP: $350|Avg: $350

93%

#95

Radeon Ryzen 5 5500U

MSRP: $300|Avg: $300

92%

#157

Radeon R5 430 OEM

MSRP: N/A|Avg: $13

1093%

#172

Radeon HD 6670

MSRP: $99|Avg: $99

100%

#175

Radeon R5 420

MSRP: $80|Avg: $20

98%

#176

Radeon R7 A8-7670K

MSRP: $118|Avg: $50

98%

#177

Radeon HD 6570

MSRP: $79|Avg: $79

96%

#178

Radeon HD 8370D

MSRP: $45|Avg: $10

96%

#181

Radeon HD 8310E

MSRP: $50|Avg: $50

93%

#183

GeForce GT 610

MSRP: $49|Avg: $49

92%

#185

Radeon HD 6530D

MSRP: $50|Avg: $10

92%

#186

Radeon HD 8450G

MSRP: $50|Avg: $50

91%

#187

Radeon HD 4830

MSRP: $130|Avg: $20

91%

Based on actual market prices and performance benchmarks.

Performance Comparison

About G3D Mark

🏆 Chipversus Verdict

🚀 Performance Leadership

The Quadro K420 is the superior choice for raw performance. It leads with a 0.1% higher G3D Mark score. However, the Radeon HD 6670 offers more VRAM, which may be beneficial for texture-heavy scenarios at higher resolutions.

Insight	Quadro K420	Radeon HD 6670
Performance	✅Leading raw performance (+0.1%)	❌Lower raw frame rates (-0.1%)
Longevity	🛑Obsolete Architecture (2014 / 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

The Quadro K420 offers a compelling cost-to-performance ratio. While both GPUs are considered legacy components by modern standards, the Quadro K420 holds the technical lead. Priced at $20 (vs $99), it costs 80% less, resulting in a 395.7% higher cost efficiency score.

Insight	Quadro K420	Radeon HD 6670
Cost Efficiency	✅Better overall value (+395.7%)	❌Lower cost efficiency
Upfront Cost	✅More affordable ($20)	⚠️Higher upfront cost ($99)

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.

Quadro K420 Benchmark Check

Radeon HD 6670 Benchmark Check

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Check FPS for your specific build

Technical Specifications

Side-by-side comparison of Quadro K420 and Radeon HD 6670

Quadro K420

The Quadro K420 is manufactured by NVIDIA. It was released in July 22 2014. It features the Kepler architecture. The core clock ranges from 771 MHz to 784 MHz. It has 1344 shading units. The thermal design power (TDP) is 108W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 726 points. Launch price was $854.99.

Radeon HD 6670

The Radeon HD 6670 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: 725 points. Launch price was $369.

⚡

Graphics Performance

The Quadro K420 scores 726 and the Radeon HD 6670 reaches 725 in the G3D Mark benchmark — just a 0.1% difference, making them near-identical in rasterization performance. The Quadro K420 is built on Kepler while the Radeon HD 6670 uses TeraScale 3, both on 28 nm vs 40 nm. Shader units: 1,344 (Quadro K420) vs 1,536 (Radeon HD 6670). Raw compute: 2.107 TFLOPS (Quadro K420) vs 2.703 TFLOPS (Radeon HD 6670). Boost clocks: 784 MHz vs 880 MHz.

Feature	Quadro K420	Radeon HD 6670
G3D Mark Score	726	725
Architecture	Kepler	TeraScale 3
Process Node	28 nm	40 nm
Shading Units	1344	1536+14%
Compute (TFLOPS)	2.107 TFLOPS	2.703 TFLOPS+28%
Boost Clock	784 MHz	880 MHz+12%
ROPs	32	32
TMUs	112+17%	96
L1 Cache	112 KB	192 KB+71%
L2 Cache	512 KB	512 KB

✨

Advanced Features (DLSS/FSR)

Feature	Quadro K420	Radeon HD 6670
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 Quadro K420 comes with 1 GB of VRAM, while the Radeon HD 6670 has 2 GB. The Radeon HD 6670 offers 100% more capacity, crucial for higher resolutions and texture-heavy games. Bus width: 64-bit vs 128-bit.

Feature	Quadro K420	Radeon HD 6670
VRAM Capacity	1 GB	2 GB+100%
Memory Type	GDDR5	GDDR5
Bus Width	64-bit	128-bit+100%
L2 Cache	512 KB	512 KB

🔌

Power & Dimensions

The Quadro K420 draws 108W versus the Radeon HD 6670's 250W — a 79.3% difference. The Quadro K420 is more power-efficient. Recommended PSU: 350W (Quadro K420) vs 250W (Radeon HD 6670). Power connectors: PCIe-powered vs None.

Feature	Quadro K420	Radeon HD 6670
TDP	108W-57%	250W
Recommended PSU	350W	250W-29%
Power Connector	PCIe-powered	None
Length	—	168mm
Height	—	111mm
Slots	—	1
Temp (Load)	—	75
Perf/Watt	6.7+131%	2.9

💰

Value Analysis

The Quadro K420 launched at $150 MSRP and currently averages $20, while the Radeon HD 6670 launched at $99 and now averages $99. The Quadro K420 costs 79.8% less ($79 savings) at current market prices. Performance per dollar (G3D Mark / price): 36.3 (Quadro K420) vs 7.3 (Radeon HD 6670) — the Quadro K420 offers 397.3% better value. The Quadro K420 is the newer GPU (2014 vs 2010).