Radeon HD 8770 vs Radeon R7 A8-7680

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 8770 vs Radeon R7 A8-7680 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 8770 vs Radeon R7 A8-7680: 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 8770

2013

Why buy it

✅+229.6% higher PassMark G3D performance.
✅300% more VRAM for high-resolution textures and newer games (2 GB vs 512 MB).
✅Draws 50W instead of 100W, a 50W reduction.

Trade-offs

❌Lower average FPS than Radeon R7 A8-7680 across 50 tracked games in our benchmark data.
❌2013 hardware with 2 GB of VRAM is already well past its comfortable zone for modern gaming, so it is hard to recommend now.
❌23900% longer card at 240mm vs 1mm.

Radeon R7 A8-7680

2015

Why buy it

✅15.0% more average FPS across 50 tracked games in our benchmark data.
✅Costs $100 less on MSRP ($50 MSRP vs $150 MSRP).
✅Measures 1mm instead of 240mm, a 239mm shorter card that is more SFF-friendly.

Trade-offs

❌Lower PassMark G3D performance (791 vs 2,607).
❌Less VRAM, with 512 MB vs 2 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.
❌100% higher power demand at 100W vs 50W.

Quick Answers

Which GPU is faster for gaming right now?

Radeon R7 A8-7680 is the faster gaming card right now. In our data, it leads by 15.0% in average FPS across 50 tracked games in our benchmark data. PassMark G3D leans toward Radeon HD 8770 instead at 2,607 vs 791, 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 8770 is the safer long-term pick for 2026 and beyond. The case is simple: 2 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 HD 8770 makes the most sense to buy today. It is $100 more expensive on MSRP at $150 vs $50, and it leads G3D-per-dollar by 9.9% (17.4 vs 15.8), which is enough to swing the recommendation its way. Radeon R7 A8-7680 still makes more sense if max raw gaming performance matters more than value.

Radeon HD 8770 vs Radeon R7 A8-7680 Technical Specifications

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

Radeon HD 8770

The Radeon HD 8770 is manufactured by AMD. It was released in April 1 2013. It features the GCN 1.0 architecture. The core clock ranges from 775 MHz to 825 MHz. It has 384 shading units. The thermal design power (TDP) is 50W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 2,607 points.

Radeon R7 A8-7680

The Radeon R7 A8-7680 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: 791 points. Launch price was $149.

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Graphics Performance

In G3D Mark, the Radeon HD 8770 scores 2,607 versus the Radeon R7 A8-7680's 791 — the Radeon HD 8770 leads by 229.6%. The Radeon HD 8770 is built on GCN 1.0 while the Radeon R7 A8-7680 uses GCN 1.0, both on a 28 nm process. Shader units: 384 (Radeon HD 8770) vs 1,024 (Radeon R7 A8-7680). Raw compute: 0.6336 TFLOPS (Radeon HD 8770) vs 1.997 TFLOPS (Radeon R7 A8-7680). Boost clocks: 825 MHz vs 975 MHz.

Feature	Radeon HD 8770	Radeon R7 A8-7680
G3D Mark Score	2,607+230%	791
Architecture	GCN 1.0	GCN 1.0
Process Node	28 nm	28 nm
Shading Units	384	1024+167%
Compute (TFLOPS)	0.6336 TFLOPS	1.997 TFLOPS+215%
Boost Clock	825 MHz	975 MHz+18%
ROPs	8	32+300%
TMUs	24	64+167%
L1 Cache	96 KB	256 KB+167%
L2 Cache	256 KB	512 KB+100%
Frame Generation	FSR upscaling	FSR upscaling

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Advanced Features (DLSS/FSR)

Feature	Radeon HD 8770	Radeon R7 A8-7680
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 8770 has 2 GB of VRAM, while the Radeon R7 A8-7680 carries 512 MB. Radeon HD 8770 gives you 300% more memory capacity, which matters more once you move into heavier textures, mods, or higher resolutions. Memory bus width is 128-bit on the Radeon HD 8770 and 128-bit on the Radeon R7 A8-7680. L2 Cache: 256 KB (Radeon HD 8770) vs 512 KB (Radeon R7 A8-7680) — the Radeon R7 A8-7680 has significantly larger on-die cache to reduce VRAM reliance.

Feature	Radeon HD 8770	Radeon R7 A8-7680
VRAM Capacity	2 GB+300%	0.5 GB
Memory Type	GDDR5	GDDR5
Memory Bandwidth	96 GB/s	Unknown
Bus Width	128-bit	128-bit
L2 Cache	256 KB	512 KB+100%

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Display & API Support

DirectX support: 12_0 (Radeon HD 8770) vs 12 (Radeon R7 A8-7680). Maximum simultaneous displays: 3 vs 0.

Feature	Radeon HD 8770	Radeon R7 A8-7680
DirectX	12_0	12
Max Displays	3	0

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Media & Encoding

Hardware encoder: VCE 2.0 (Radeon HD 8770) vs VCE 2.0 (Radeon R7 A8-7680). Decoder: UVD 4.0 vs UVD 4.2.

Feature	Radeon HD 8770	Radeon R7 A8-7680
Encoder	VCE 2.0	VCE 2.0
Decoder	UVD 4.0	UVD 4.2

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Power & Dimensions

The Radeon HD 8770 draws 50W versus the Radeon R7 A8-7680's 100W — a 66.7% difference. The Radeon HD 8770 is more power-efficient. Recommended PSU: 350W (Radeon HD 8770) vs 350W (Radeon R7 A8-7680). Power connectors: 1x 6-pin vs None. Card length: 240mm vs 1mm, occupying 2 vs 0 slots.

Feature	Radeon HD 8770	Radeon R7 A8-7680
TDP	50W-50%	100W
Recommended PSU	350W	350W
Power Connector	1x 6-pin	None
Length	240mm	1mm
Slots	2	0-100%
Perf/Watt	52.1+559%	7.9

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Value Analysis

At launch, the Radeon HD 8770 came in at $150, while the Radeon R7 A8-7680 launched at $50. On MSRP, Radeon R7 A8-7680 was 66.7% cheaper ($100 less). Performance per dollar on MSRP (G3D Mark / MSRP): 17.4 (Radeon HD 8770) vs 15.8 (Radeon R7 A8-7680) — the Radeon HD 8770 offers 10.1% better value. The newer card here is Radeon R7 A8-7680 (2015 vs 2013).

Feature	Radeon HD 8770	Radeon R7 A8-7680
MSRP	$150	$50-67%
Performance per Dollar	17.4+10%	15.8
Codename	Mars	Trinidad
Release	April 1 2013	June 18 2015
Ranking	#844	#467

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