Radeon HD 6770M 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 6770M 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 6770M 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 6770M

2011

Why buy it

✅100% more VRAM for high-resolution textures and newer games (1 GB vs 512 MB).
✅Draws 35W instead of 100W, a 65W reduction.

Trade-offs

❌Lower average FPS than Radeon R7 340 across 50 tracked games in our benchmark data.
❌2011 hardware with 1 GB of VRAM is already well past its comfortable zone for modern gaming, so it is hard to recommend now.
❌Lower G3D Mark per dollar, at 0 vs 9.7 G3D/$ (Unknown MSRP vs $99 MSRP).

Radeon R7 340

2015

Why buy it

✅106.8% more average FPS across 50 tracked games in our benchmark data.
✅Delivers 100+% more G3D Mark for each dollar spent, at 9.7 vs 0 G3D/$ ($99 MSRP vs Unknown MSRP).
✅More future proof: GCN 1.0 (2012−2020) on 28nm with a newer platform for upcoming games.

Trade-offs

❌Less VRAM, with 512 MB vs 1 GB for high-resolution textures and newer games.
❌2015 hardware with 512 MB of VRAM is already well past its comfortable zone for modern gaming, so it is hard to recommend now.
❌185.7% higher power demand at 100W vs 35W.

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 106.8% in average FPS across 50 tracked games in our benchmark data. PassMark G3D leans toward Radeon HD 6770M instead at 964 vs 960, so for this question the real-game FPS result matters more than the synthetic split.

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

Radeon HD 6770M is the safer long-term pick for 2026 and beyond. The case is simple: 1 GB vs 512 MB of VRAM. That gives it more room for heavier textures and higher settings over time.

Which GPU is the better buy today?

Radeon R7 340 makes the most sense today based on the pricing and value data we have for this matchup. 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 6770M has the stronger long-term case.

Radeon HD 6770M vs Radeon R7 340 Technical Specifications

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

Radeon HD 6770M

The Radeon HD 6770M is manufactured by AMD. It was released in January 4 2011. It features the TeraScale 2 architecture. The core clock speed is 725 MHz. It has 480 shading units. The thermal design power (TDP) is 35W. Manufactured using 40 nm process technology. G3D Mark benchmark score: 964 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 6770M scores 964 and the Radeon R7 340 reaches 960 in the G3D Mark benchmark — just a 0.4% difference, making them near-identical in rasterization performance. The Radeon HD 6770M 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 6770M) vs 1,024 (Radeon R7 340). Raw compute: 0.696 TFLOPS (Radeon HD 6770M) vs 1.997 TFLOPS (Radeon R7 340).

Feature	Radeon HD 6770M	Radeon R7 340
G3D Mark Score	964	960
Architecture	TeraScale 2	GCN 1.0
Process Node	40 nm	28 nm
Shading Units	480	1024+113%
Compute (TFLOPS)	0.696 TFLOPS	1.997 TFLOPS+187%
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

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Advanced Features (DLSS/FSR)

Feature	Radeon HD 6770M	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

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Video Memory (VRAM)

The Radeon HD 6770M has 1 GB of VRAM, while the Radeon R7 340 carries 512 MB. Radeon HD 6770M gives you 100% more memory capacity, which matters more once you move into heavier textures, mods, or higher resolutions. Memory bus width is System on the Radeon HD 6770M and 128-bit on the Radeon R7 340. L2 Cache: 256 KB (Radeon HD 6770M) vs 512 KB (Radeon R7 340) — the Radeon R7 340 has significantly larger on-die cache to reduce VRAM reliance.

Feature	Radeon HD 6770M	Radeon R7 340
VRAM Capacity	1 GB+100%	0.5 GB
Memory Type	Shared	GDDR5
Memory Bandwidth	System	Unknown
Bus Width	System	128-bit
L2 Cache	256 KB	512 KB+100%

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Power & Dimensions

The Radeon HD 6770M draws 35W versus the Radeon R7 340's 100W — a 96.3% difference. The Radeon HD 6770M is more power-efficient. Recommended PSU: 350W (Radeon HD 6770M) vs 300W (Radeon R7 340). Power connectors: 1x 6-pin vs None.

Feature	Radeon HD 6770M	Radeon R7 340
TDP	35W-65%	100W
Recommended PSU	350W	300W-14%
Power Connector	1x 6-pin	None
Perf/Watt	27.5+186%	9.6

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Value Analysis

The newer card here is Radeon R7 340 (2015 vs 2011).

Feature	Radeon HD 6770M	Radeon R7 340
MSRP	—	$99
Codename	Whistler	Trinidad
Release	January 4 2011	June 18 2015
Ranking	#896	#467

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