Radeon 820M vs Radeon HD 6870

Radeon 820M

2024Boost: 2900 MHz

Radeon HD 6870

2010Boost: 900 MHz

Performance Spectrum - GPU

Radeon 820M

2,143

0.0%

Radeon RX 6750 GRE 12GB

Radeon HD 6870

151

2,206

+2.9%

Radeon HD 8670D + HD 6670 Dual

Radeon RX 9060 XT 16 GB

About G3D Mark

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. The Radeon 820M is positioned at rank #62 in our cost-efficiency ranking, representing a Balanced cost-benefit for your build. 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 Radeon 820M

#19

Radeon RX 5600

MSRP: $229|Avg: $150

96%

#22

Radeon RX 7700

MSRP: $449|Avg: $399

92%

#52

Radeon RX 550X (móvel)

MSRP: $35|Avg: $35

203%

#54

GeForce GTX 1070 with Max-Q Design

MSRP: N/A|Avg: $150

184%

#55

GeForce GTX 1060 with Max-Q Design

MSRP: N/A|Avg: $100

183%

#59

GeForce GTX 1050 (Mobile)

MSRP: N/A|Avg: $50

167%

#60

Radeon RX 6300

MSRP: $60|Avg: $40

165%

#62

Radeon 820M

MSRP: N/A|Avg: $25

100%

#65

GeForce GTX 1650 with Max-Q Design

MSRP: N/A|Avg: $100

98%

#66

GeForce GTX 1050 with Max-Q Design

MSRP: N/A|Avg: $50

98%

#68

GeForce GTX 850M

MSRP: N/A|Avg: $40

95%

Based on actual market prices and performance benchmarks.

Performance Per Dollar

Based on actual market prices and performance benchmarks.

Performance Comparison

About G3D Mark

🏆 Chipversus Verdict

⚠️ Generational Difference

The Radeon 820M is significantly newer (2024 vs 2010). The Radeon 820M likely supports modern features like Ray Tracing, Tensor Cores, and DLSS/FSR upscaling, which act as force multipliers for performance. The Radeon HD 6870 lacks this hardware feature set, limiting its longevity in modern titles despite any raw power similarities.

🚀 Performance Leadership

The Radeon HD 6870 is the superior choice for raw performance. It leads with a 2.9% higher G3D Mark score. This advantage makes it significantly better for higher resolutions (1440p/4K) and graphic-intensive titles compared to the Radeon 820M.

Insight	Radeon 820M	Radeon HD 6870
Performance	❌Lower raw frame rates (-2.9%)	✅Leading raw performance (+2.9%)
Longevity	RDNA 3+ (2024) (4nm)	🛑Obsolete Architecture (2010 / TeraScale 2 (2009−2015))
Ecosystem	Supports FSR Upscaling	Supports FSR Upscaling
VRAM	❌ Less VRAM capacity	✅ More VRAM (+0%)
Efficiency	💡 Excellent Perf/Watt	⚡ Higher Power Consumption
Case Fit	—	Standard Size (247mm)

💎 Value Proposition

The Radeon 820M offers a compelling cost-to-performance ratio. Priced at $25 versus $50 for the Radeon HD 6870, it costs 50% less. While it maintains basic entry-level capabilities, this results in a 94.3% higher cost efficiency score.

Insight	Radeon 820M	Radeon HD 6870
Cost Efficiency	✅Better overall value (+94.3%)	❌Lower cost efficiency
Upfront Cost	✅More affordable ($25)	⚠️Higher upfront cost ($50)

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 820M Benchmark Check

Radeon HD 6870 Benchmark Check

Technical Specifications

Side-by-side comparison of Radeon 820M and Radeon HD 6870

Radeon 820M

The Radeon 820M is manufactured by AMD. It was released in June 2 2024. It features the RDNA 3+ architecture. The boost clock speed is 2900 MHz. It has 128 shading units. The thermal design power (TDP) is 30W. Manufactured using 4 nm process technology. G3D Mark benchmark score: 2,143 points.

Radeon HD 6870

The Radeon HD 6870 is manufactured by AMD. It was released in October 21 2010. It features the TeraScale 2 architecture. The boost clock speed is 900 MHz. It has 1120 shading units. The thermal design power (TDP) is 151W. Manufactured using 40 nm process technology. G3D Mark benchmark score: 2,206 points. Launch price was $239.

⚡

Graphics Performance

The Radeon 820M scores 2,143 and the Radeon HD 6870 reaches 2,206 in the G3D Mark benchmark — just a 2.9% difference, making them near-identical in rasterization performance. The Radeon 820M is built on RDNA 3+ while the Radeon HD 6870 uses TeraScale 2, both on 4 nm vs 40 nm. Shader units: 128 (Radeon 820M) vs 1,120 (Radeon HD 6870). Boost clocks: 2900 MHz vs 900 MHz.

Feature	Radeon 820M	Radeon HD 6870
G3D Mark Score	2,143	2,206+3%
Architecture	RDNA 3+	TeraScale 2
Process Node	4 nm	40 nm
Shading Units	128	1120+775%
Boost Clock	2900 MHz+222%	900 MHz

✨

Advanced Features (DLSS/FSR)

Feature	Radeon 820M	Radeon HD 6870
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)

Both cards feature 2 GB of video memory. Bus width: System vs 128-bit.

Feature	Radeon 820M	Radeon HD 6870
VRAM Capacity	2 GB	2 GB
Memory Type	Shared	GDDR5
Memory Bandwidth	System	Unknown
Bus Width	System	128-bit

🖥️

Display & API Support

DirectX support: 12 Ultimate (Radeon 820M) vs 11.0 (Radeon HD 6870). Vulkan: 1.3 vs N/A. OpenGL: 4.6 vs 4.4. Maximum simultaneous displays: 4 vs 6.

Feature	Radeon 820M	Radeon HD 6870
DirectX	12 Ultimate+9%	11.0
Vulkan	1.3	N/A
OpenGL	4.6+5%	4.4
Max Displays	4	6+50%

🎬

Media & Encoding

Hardware encoder: VCN 4.0 (Radeon 820M) vs None (Radeon HD 6870). Decoder: VCN 4.0 vs UVD 3.0. Supported codecs: H.264,H.265,AV1,VP9 (Radeon 820M) vs MPEG-2,VC-1,H.264,MPEG-4,MVC (Radeon HD 6870).

Feature	Radeon 820M	Radeon HD 6870
Encoder	VCN 4.0	None
Decoder	VCN 4.0	UVD 3.0
Codecs	H.264,H.265,AV1,VP9	MPEG-2,VC-1,H.264,MPEG-4,MVC

🔌

Power & Dimensions

The Radeon 820M draws 30W versus the Radeon HD 6870's 151W — a 133.7% difference. The Radeon 820M is more power-efficient. Recommended PSU: 350W (Radeon 820M) vs 500W (Radeon HD 6870). Power connectors: PCIe-powered vs 2x 6-pin. Card length: 0mm vs 247mm, occupying 0 vs 2 slots. Typical load temperature: 80 vs 85.

Feature	Radeon 820M	Radeon HD 6870
TDP	30W-80%	151W
Recommended PSU	350W-30%	500W
Power Connector	PCIe-powered	2x 6-pin
Length	0mm	247mm
Height	0mm	111mm
Slots	0-100%	2
Temp (Load)	80-6%	85
Perf/Watt	71.4+389%	14.6

💰

Value Analysis

The Radeon 820M costs 50% less ($25 savings) at current market prices. Performance per dollar (G3D Mark / price): 85.7 (Radeon 820M) vs 44.1 (Radeon HD 6870) — the Radeon 820M offers 94.3% better value. The Radeon 820M is the newer GPU (2024 vs 2010).