Radeon HD 6790 vs Radeon Vega 8

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.

MSRP is the manufacturer's suggested retail price.•
Avg price is the current average price collected from markets across the web.

Performance Per Dollar

Based on actual market prices and performance benchmarks.

Performance Per Dollar Radeon Vega 8

#353

Radeon RX 550X (móvel)

MSRP: $35|Avg: $35

1038%

#355

GeForce GTX 1070 with Max-Q Design

MSRP: N/A|Avg: $150

941%

#356

GeForce GTX 1060 with Max-Q Design

MSRP: N/A|Avg: $100

938%

#360

GeForce GTX 1050 (Mobile)

MSRP: N/A|Avg: $50

853%

#361

Radeon RX 6300

MSRP: $60|Avg: $40

848%

#363

Radeon Vega 8

MSRP: $150|Avg: $40

100%

#367

GeForce 615

MSRP: $50|Avg: $15

97%

#369

Radeon Ryzen 7 6800HS

MSRP: $600|Avg: $600

96%

#370

GeForce GT 730A

MSRP: $75|Avg: $20

95%

#372

Radeon R7 M270DX

MSRP: $100|Avg: $20

92%

#373

Radeon HD 7660G

MSRP: $50|Avg: $50

92%

#374

Radeon HD 6670/7670

MSRP: $99|Avg: $40

91%

#375

Radeon 620

MSRP: $100|Avg: $50

91%

#376

Radeon R5 435

MSRP: $80|Avg: $80

91%

#377

Radeon R9 M470X

MSRP: $350|Avg: $350

89%

Based on actual market prices and performance benchmarks.

Performance Comparison

About G3D Mark

🏆 Chipversus Verdict

⚠️ Generational Difference

The Radeon Vega 8 is significantly newer (2021 vs 2011). The Radeon Vega 8 likely supports modern features like Ray Tracing, Tensor Cores, and DLSS/FSR upscaling, which act as force multipliers for performance. The Radeon HD 6790 lacks this hardware feature set, limiting its longevity in modern titles despite any raw power similarities.

🚀 Performance Leadership

The Radeon Vega 8 is the superior choice for raw performance. It leads with a 0.1% higher G3D Mark score. However, the Radeon HD 6790 offers more VRAM, which may be beneficial for texture-heavy scenarios at higher resolutions.

Insight	Radeon HD 6790	Radeon Vega 8
Performance	❌Lower raw frame rates (-0.1%)	✅Leading raw performance (+0.1%)
Longevity	🛑Obsolete Architecture (2011 / TeraScale 2 (2009−2015))	GCN 5.1 (2018−2022) (7nm)
Ecosystem	Supports FSR Upscaling	Supports FSR Upscaling
VRAM	✅ More VRAM (+100+%)	❌ Less VRAM capacity
Efficiency	⚡ Higher Power Consumption	💡 Excellent Perf/Watt
Case Fit	📏 Compact / SFF Friendly	—

💎 Value Proposition

The Radeon Vega 8 offers a compelling cost-to-performance ratio. Priced at $40 versus $149 for the Radeon HD 6790, it costs 73% less. While it maintains basic entry-level capabilities, this results in a 273% higher cost efficiency score.

Insight	Radeon HD 6790	Radeon Vega 8
Cost Efficiency	❌Lower cost efficiency	✅Better overall value (+273%)
Upfront Cost	⚠️Higher upfront cost ($149)	✅More affordable ($40)

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 6790 Benchmark Check

Radeon Vega 8 Benchmark Check

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Technical Specifications

Side-by-side comparison of Radeon HD 6790 and Radeon Vega 8

Radeon HD 6790

The Radeon HD 6790 is manufactured by AMD. It was released in April 4 2011. It features the TeraScale 2 architecture. The core clock speed is 840 MHz. It has 800 shading units. The thermal design power (TDP) is 150W. Manufactured using 40 nm process technology. G3D Mark benchmark score: 1,567 points. Launch price was $149.

Radeon Vega 8

The Radeon Vega 8 is manufactured by AMD. It was released in April 13 2021. It features the GCN 5.1 architecture. The core clock ranges from 300 MHz to 1900 MHz. It has 448 shading units. The thermal design power (TDP) is 45W. Manufactured using 7 nm process technology. G3D Mark benchmark score: 1,569 points.

⚡

Graphics Performance

The Radeon HD 6790 scores 1,567 and the Radeon Vega 8 reaches 1,569 in the G3D Mark benchmark — just a 0.1% difference, making them near-identical in rasterization performance. The Radeon HD 6790 is built on TeraScale 2 while the Radeon Vega 8 uses GCN 5.1, both on 40 nm vs 7 nm. Shader units: 800 (Radeon HD 6790) vs 448 (Radeon Vega 8). Raw compute: 1.344 TFLOPS (Radeon HD 6790) vs 1.702 TFLOPS (Radeon Vega 8).

Feature	Radeon HD 6790	Radeon Vega 8
G3D Mark Score	1,567	1,569
Architecture	TeraScale 2	GCN 5.1
Process Node	40 nm	7 nm
Shading Units	800+79%	448
Compute (TFLOPS)	1.344 TFLOPS	1.702 TFLOPS+27%
ROPs	16+100%	8
TMUs	40+43%	28

✨

Advanced Features (DLSS/FSR)

Feature	Radeon HD 6790	Radeon Vega 8
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	AMD Anti-Lag

💾

Video Memory (VRAM)

The Radeon HD 6790 comes with 1 GB of VRAM, while the Radeon Vega 8 has 0 MB. The Radeon HD 6790 offers 100+% more capacity, crucial for higher resolutions and texture-heavy games. Bus width: 128-bit vs System.

Feature	Radeon HD 6790	Radeon Vega 8
VRAM Capacity	1 GB	Shared System RAM
Memory Type	GDDR5	Shared
Memory Bandwidth	Unknown	System
Bus Width	128-bit	System

🔌

Power & Dimensions

The Radeon HD 6790 draws 150W versus the Radeon Vega 8's 45W — a 107.7% difference. The Radeon Vega 8 is more power-efficient. Recommended PSU: 450W (Radeon HD 6790) vs 1W (Radeon Vega 8). Power connectors: 2x 6-pin vs Integrated.

Feature	Radeon HD 6790	Radeon Vega 8
TDP	150W	45W-70%
Recommended PSU	450W	1W-100%
Power Connector	2x 6-pin	Integrated
Length	240mm	—
Height	111mm	—
Slots	2	—
Temp (Load)	80	—
Perf/Watt	10.4	34.9+236%

💰

Value Analysis

The Radeon HD 6790 launched at $149 MSRP and currently averages $149, while the Radeon Vega 8 launched at $150 and now averages $40. The Radeon Vega 8 costs 73.2% less ($109 savings) at current market prices. Performance per dollar (G3D Mark / price): 10.5 (Radeon HD 6790) vs 39.2 (Radeon Vega 8) — the Radeon Vega 8 offers 273.3% better value. The Radeon Vega 8 is the newer GPU (2021 vs 2011).