Radeon HD 3670 vs Radeon HDG 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.

Radeon HD 3670 vs Radeon HDG 4670 FPS Benchmarks

Predicted gaming performance across popular games. Tested paired with Ryzen 7 9800X3D to isolate GPU performance.

Search any supported game below to compare 1080p FPS for both components.

Radeon HD 3670 vs Radeon HDG 4670: Pros, Cons & Final Verdict

See where each GPU makes more sense in practice: raw FPS, VRAM, features, power draw, pricing, and long-term headroom.

Radeon HD 3670

2010

Why buy it

✅Measures 1mm instead of 193mm, a 192mm shorter card that is more SFF-friendly.

Trade-offs

❌2010 hardware with 512 MB of VRAM is already well past its comfortable zone for modern gaming, so it is hard to recommend now.
❌
49.3% HIGHER MSRP
$100 MSRPvs$67 MSRP
❌Lower G3D Mark per dollar, at 1.7 vs 2.5 G3D/$ ($100 MSRP vs $67 MSRP).

Radeon HDG 4670

2010

Why buy it

✅Costs $33 less on MSRP ($67 MSRP vs $100 MSRP).
✅Delivers 50.1% more G3D Mark for each dollar spent, at 2.5 vs 1.7 G3D/$ ($67 MSRP vs $100 MSRP).

Trade-offs

❌2010 hardware with 512 MB of VRAM is already well past its comfortable zone for modern gaming, so it is hard to recommend now.
❌19200% longer card at 193mm vs 1mm.

Quick Answers

Which GPU is faster for gaming right now?

Radeon HDG 4670 is the faster gaming card right now based on the synthetic data we have. It leads by 0.6% in PassMark G3D (170 vs 169), which is the best performance signal available in this matchup.

Which GPU is the safer long-term pick for 2026 and beyond?

Radeon HD 3670 is the safer long-term pick for 2026 and beyond because it comes out ahead on the available hardware-headroom signals for this matchup.

Which GPU is the better buy today?

Radeon HDG 4670 makes the most sense to buy today. It is $33 cheaper on MSRP at $67 vs $100, and it leads G3D-per-dollar by 50.1% (2.5 vs 1.7), so the value case lines up with the gaming result. If you are mainly targeting 1080p and some 1440p, Radeon HDG 4670 is the easier value choice. If you care more about 1080p and some 1440p headroom, Radeon HD 3670 has the stronger long-term case.

Radeon HD 3670 vs Radeon HDG 4670 Technical Specifications

Side-by-side specs, architecture details, clocks, memory, power, and platform differences.

Radeon HD 3670

The Radeon HD 3670 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: 169 points. Launch price was $369.

Radeon HDG 4670

The Radeon HDG 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: 170 points. Launch price was $369.

⚡

Graphics Performance

The Radeon HD 3670 scores 169 and the Radeon HDG 4670 reaches 170 in the G3D Mark benchmark — just a 0.6% difference, making them near-identical in rasterization performance. The Radeon HD 3670 is built on TeraScale 3 while the Radeon HDG 4670 uses TeraScale 3, both on a 40 nm process. Shader units: 1,536 (Radeon HD 3670) vs 1,536 (Radeon HDG 4670). Raw compute: 2.703 TFLOPS (Radeon HD 3670) vs 2.703 TFLOPS (Radeon HDG 4670). Boost clocks: 880 MHz vs 880 MHz.

Feature	Radeon HD 3670	Radeon HDG 4670
G3D Mark Score	169	170
Architecture	TeraScale 3	TeraScale 3
Process Node	40 nm	40 nm
Shading Units	1536	1536
Compute (TFLOPS)	2.703 TFLOPS	2.703 TFLOPS
Boost Clock	880 MHz	880 MHz
ROPs	32	32
TMUs	96	96
L1 Cache	192 KB	192 KB
L2 Cache	512 KB	512 KB
Frame Generation	FSR upscaling	FSR upscaling

✨

Advanced Features (DLSS/FSR)

Feature	Radeon HD 3670	Radeon HDG 4670
Upscaling Tech	FSR Upscaling / FSR 4	FSR Upscaling / FSR 4
Frame Generation	Not Supported	Not Supported
Ray Reconstruction	No	No
Low Latency	AMD Anti-Lag	AMD Anti-Lag

💾

Video Memory (VRAM)

Both cards ship with 512 MB of GDDR5. Memory bus width is 128-bit on the Radeon HD 3670 and 128-bit on the Radeon HDG 4670.

Feature	Radeon HD 3670	Radeon HDG 4670
VRAM Capacity	0.5 GB	0.5 GB
Memory Type	GDDR5	GDDR5
Memory Bandwidth	Unknown	Unknown
Bus Width	128-bit	128-bit
L2 Cache	512 KB	512 KB

🖥️

Display & API Support

DirectX support: 10.1 (Radeon HD 3670) vs 10.1 (Radeon HDG 4670). Maximum simultaneous displays: 0 vs 2.

Feature	Radeon HD 3670	Radeon HDG 4670
DirectX	10.1	10.1
Max Displays	0	2

🎬

Media & Encoding

Hardware encoder: UVD (Radeon HD 3670) vs UVD 2 (Radeon HDG 4670). Decoder: UVD vs UVD 2.

Feature	Radeon HD 3670	Radeon HDG 4670
Encoder	UVD	UVD 2
Decoder	UVD	UVD 2

🔌

Power & Dimensions

The Radeon HD 3670 draws 250W versus the Radeon HDG 4670's 250W — a 0% difference. The Radeon HDG 4670 is more power-efficient. Recommended PSU: 350W (Radeon HD 3670) vs 350W (Radeon HDG 4670). Power connectors: 1x 6-pin vs PCIe-powered. Card length: 1mm vs 193mm, occupying 0 vs 1 slots.

Feature	Radeon HD 3670	Radeon HDG 4670
TDP	250W	250W
Recommended PSU	350W	350W
Power Connector	1x 6-pin	PCIe-powered
Length	1mm	193mm
Slots	0-100%	1
Perf/Watt	0.7	0.7

💰

Value Analysis

At launch, the Radeon HD 3670 came in at $100, while the Radeon HDG 4670 launched at $67. On MSRP, Radeon HDG 4670 was 33% cheaper ($33 less). Performance per dollar on MSRP (G3D Mark / MSRP): 1.7 (Radeon HD 3670) vs 2.5 (Radeon HDG 4670) — the Radeon HDG 4670 offers 47.1% better value.

Feature	Radeon HD 3670	Radeon HDG 4670
MSRP	$100	$67-33%
Performance per Dollar	1.7	2.5+47%
Codename	Cayman	Cayman
Release	December 14 2010	December 14 2010
Ranking	#596	#596

Search Radeon HD 3670 on Amazon

Search Radeon HDG 4670 on Amazon

Affiliate Disclosure

ChipVERSUS is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to Amazon.com. We may earn a commission on qualifying purchases made through our links. This comes at no additional cost to you and helps support our work in providing comprehensive PC building guides and tools.

Amazon and the Amazon logo are trademarks of Amazon.com, Inc. or its affiliates.