Quadro K420 vs Radeon R7 A8-8650

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 R7 A8-8650 is on rank 309, so the Quadro K420 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 R7 A8-8650

#63

RadeonT RX 6850M XT

MSRP: $1000|Avg: $600

95%

#299

Radeon RX 550X (móvel)

MSRP: $35|Avg: $35

740%

#301

GeForce GTX 1070 with Max-Q Design

MSRP: N/A|Avg: $150

671%

#302

GeForce GTX 1060 with Max-Q Design

MSRP: N/A|Avg: $100

669%

#306

GeForce GTX 1050 (Mobile)

MSRP: N/A|Avg: $50

608%

#307

Radeon RX 6300

MSRP: $60|Avg: $40

604%

#309

Radeon R7 A8-8650

MSRP: $49|Avg: $20

100%

#312

Radeon Vega 8 Ryzen 5 3500C

MSRP: $99|Avg: $30

97%

#314

GeForce GT 720A

MSRP: $40|Avg: $40

97%

#315

GeForce MX110

MSRP: $100|Avg: $40

96%

#320

GeForce 940A

MSRP: $80|Avg: $80

94%

#323

Radeon RX 640

MSRP: $159|Avg: $55

93%

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 1% 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 Radeon R7 A8-8650.

Insight	Quadro K420	Radeon R7 A8-8650
Performance	✅Leading raw performance (+1%)	❌Lower raw frame rates (-1%)
Longevity	🛑Obsolete Architecture (2014 / Kepler (2012−2018))	🛑Obsolete Architecture (2014 / GCN 1.0 (2012−2020))
Ecosystem	Supports FSR Upscaling	Supports FSR Upscaling
VRAM	✅ More VRAM (+100%)	❌ Less VRAM capacity
Efficiency	⚡ Higher Power Consumption	💡 Excellent Perf/Watt
Case Fit	—	—

💎 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 $20), it costs 0% less, resulting in a 1% higher cost efficiency score.

Insight	Quadro K420	Radeon R7 A8-8650
Cost Efficiency	✅Better overall value (+1%)	❌Lower cost efficiency
Upfront Cost	Equivalent pricing	Equivalent pricing

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 R7 A8-8650 Benchmark Check

Technical Specifications

Side-by-side comparison of Quadro K420 and Radeon R7 A8-8650

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 R7 A8-8650

The Radeon R7 A8-8650 is manufactured by AMD. It was released in January 9 2014. It features the GCN 1.0 architecture. The core clock ranges from 725 MHz to 825 MHz. It has 384 shading units. The thermal design power (TDP) is 30W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 719 points.

⚡

Graphics Performance

The Quadro K420 scores 726 and the Radeon R7 A8-8650 reaches 719 in the G3D Mark benchmark — just a 1% difference, making them near-identical in rasterization performance. The Quadro K420 is built on Kepler while the Radeon R7 A8-8650 uses GCN 1.0, both on a 28 nm process. Shader units: 1,344 (Quadro K420) vs 384 (Radeon R7 A8-8650). Raw compute: 2.107 TFLOPS (Quadro K420) vs 0.6336 TFLOPS (Radeon R7 A8-8650). Boost clocks: 784 MHz vs 825 MHz.

Feature	Quadro K420	Radeon R7 A8-8650
G3D Mark Score	726	719
Architecture	Kepler	GCN 1.0
Process Node	28 nm	28 nm
Shading Units	1344+250%	384
Compute (TFLOPS)	2.107 TFLOPS+233%	0.6336 TFLOPS
Boost Clock	784 MHz	825 MHz+5%
ROPs	32+300%	8
TMUs	112+367%	24
L1 Cache	112 KB+17%	96 KB
L2 Cache	512 KB+100%	256 KB

✨

Advanced Features (DLSS/FSR)

Feature	Quadro K420	Radeon R7 A8-8650
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 R7 A8-8650 has 512 MB. The Quadro K420 offers 100% more capacity, crucial for higher resolutions and texture-heavy games. Bus width: 64-bit vs 128-bit. L2 Cache: 512 KB (Quadro K420) vs 256 KB (Radeon R7 A8-8650) — the Quadro K420 has significantly larger on-die cache to reduce VRAM reliance.

Feature	Quadro K420	Radeon R7 A8-8650
VRAM Capacity	1 GB+100%	0.5 GB
Memory Type	GDDR5	GDDR5
Bus Width	64-bit	128-bit+100%
L2 Cache	512 KB+100%	256 KB

🔌

Power & Dimensions

The Quadro K420 draws 108W versus the Radeon R7 A8-8650's 30W — a 113% difference. The Radeon R7 A8-8650 is more power-efficient. Recommended PSU: 350W (Quadro K420) vs 350W (Radeon R7 A8-8650). Power connectors: PCIe-powered vs PCIe-powered.

Feature	Quadro K420	Radeon R7 A8-8650
TDP	108W	30W-72%
Recommended PSU	350W	350W
Power Connector	PCIe-powered	PCIe-powered
Length	—	0mm
Height	—	0mm
Slots	—	0
Temp (Load)	—	72
Perf/Watt	6.7	24.0+258%

💰

Value Analysis

The Quadro K420 launched at $150 MSRP and currently averages $20, while the Radeon R7 A8-8650 launched at $49 and now averages $20. Performance per dollar (G3D Mark / price): 36.3 (Quadro K420) vs 36.0 (Radeon R7 A8-8650) — the Quadro K420 offers 0.8% better value.