Radeon HD 6670/7670 vs Radeon R7 340

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 6670/7670 vs Radeon R7 340 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 6670/7670 vs Radeon R7 340: 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 6670/7670

2012

Why buy it

✅Draws 45W instead of 100W, a 55W reduction.

Trade-offs

❌Lower average FPS than Radeon R7 340 across 50 tracked games in our benchmark data.
❌2012 hardware with 512 MB of VRAM is already well past its comfortable zone for modern gaming, so it is hard to recommend now.

Radeon R7 340

2015

Why buy it

✅118.8% more average FPS across 50 tracked games in our benchmark data.
✅More future proof: GCN 1.0 (2012−2020) on 28nm with a newer platform for upcoming games.

Trade-offs

❌2015 hardware with 512 MB of VRAM is already well past its comfortable zone for modern gaming, so it is hard to recommend now.
❌122.2% higher power demand at 100W vs 45W.

Quick Answers

Which GPU is faster for gaming right now?

Radeon R7 340 is the faster gaming card right now. In our data, it leads by 118.8% in average FPS across 50 tracked games in our benchmark data and by 1.5% in PassMark G3D (960 vs 946), so the answer here is pretty clean.

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

Radeon HD 6670/7670 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 R7 340 makes the most sense to buy today. It is priced the same on MSRP at $99 vs $99, and it leads G3D-per-dollar by 1.5% (9.7 vs 9.6), so the value case lines up with the gaming result. If you are mainly targeting 1080p and some 1440p, Radeon R7 340 is the easier value choice. If you care more about 1080p and some 1440p headroom, Radeon HD 6670/7670 has the stronger long-term case.

Radeon HD 6670/7670 vs Radeon R7 340 Technical Specifications

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

Radeon HD 6670/7670

The Radeon HD 6670/7670 is manufactured by AMD. It was released in January 5 2012. It features the TeraScale 2 architecture. The core clock speed is 600 MHz. It has 480 shading units. The thermal design power (TDP) is 45W. Manufactured using 40 nm process technology. G3D Mark benchmark score: 946 points.

Radeon R7 340

The Radeon R7 340 is manufactured by AMD. It was released in June 18 2015. It features the GCN 1.0 architecture. The boost clock speed is 975 MHz. It has 1024 shading units. The thermal design power (TDP) is 100W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 960 points. Launch price was $149.

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Graphics Performance

The Radeon HD 6670/7670 scores 946 and the Radeon R7 340 reaches 960 in the G3D Mark benchmark — just a 1.5% difference, making them near-identical in rasterization performance. The Radeon HD 6670/7670 is built on TeraScale 2 while the Radeon R7 340 uses GCN 1.0, both on 40 nm vs 28 nm. Shader units: 480 (Radeon HD 6670/7670) vs 1,024 (Radeon R7 340). Raw compute: 0.576 TFLOPS (Radeon HD 6670/7670) vs 1.997 TFLOPS (Radeon R7 340).

Feature	Radeon HD 6670/7670	Radeon R7 340
G3D Mark Score	946	960+1%
Architecture	TeraScale 2	GCN 1.0
Process Node	40 nm	28 nm
Shading Units	480	1024+113%
Compute (TFLOPS)	0.576 TFLOPS	1.997 TFLOPS+247%
ROPs	8	32+300%
TMUs	24	64+167%
L1 Cache	48 KB	256 KB+433%
L2 Cache	256 KB	512 KB+100%
Frame Generation	FSR upscaling	FSR upscaling

✨

Advanced Features (DLSS/FSR)

Feature	Radeon HD 6670/7670	Radeon R7 340
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 6670/7670 and 128-bit on the Radeon R7 340. L2 Cache: 256 KB (Radeon HD 6670/7670) vs 512 KB (Radeon R7 340) — the Radeon R7 340 has significantly larger on-die cache to reduce VRAM reliance.

Feature	Radeon HD 6670/7670	Radeon R7 340
VRAM Capacity	0.5 GB	0.5 GB
Memory Type	GDDR5	GDDR5
Memory Bandwidth	Unknown	Unknown
Bus Width	128-bit	128-bit
L2 Cache	256 KB	512 KB+100%

🔌

Power & Dimensions

The Radeon HD 6670/7670 draws 45W versus the Radeon R7 340's 100W — a 75.9% difference. The Radeon HD 6670/7670 is more power-efficient. Recommended PSU: 350W (Radeon HD 6670/7670) vs 300W (Radeon R7 340). Power connectors: 1x 6-pin vs None.

Feature	Radeon HD 6670/7670	Radeon R7 340
TDP	45W-55%	100W
Recommended PSU	350W	300W-14%
Power Connector	1x 6-pin	None
Perf/Watt	21.0+119%	9.6

💰

Value Analysis

At launch, the Radeon HD 6670/7670 came in at $99, while the Radeon R7 340 launched at $99. Performance per dollar on MSRP (G3D Mark / MSRP): 9.6 (Radeon HD 6670/7670) vs 9.7 (Radeon R7 340) — the Radeon R7 340 offers 1% better value. The newer card here is Radeon R7 340 (2015 vs 2012).

Feature	Radeon HD 6670/7670	Radeon R7 340
MSRP	$99	$99
Performance per Dollar	9.6	9.7+1%
Codename	Turks	Trinidad
Release	January 5 2012	June 18 2015
Ranking	#870	#467

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