Radeon R7 A8-7680 vs Radeon HD 8770

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

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.

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 R7 A8-7680 is the safer long-term pick for 2026 and beyond. The case is simple: a newer 2015 generation instead of 2013. That makes it the less risky pick as game demands keep moving.

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. If you are mainly targeting 1080p and some 1440p, Radeon HD 8770 is the easier value choice. If you care more about 1080p and some 1440p headroom, Radeon R7 A8-7680 has the stronger long-term case.

Radeon R7 A8-7680 vs Radeon HD 8770 Technical Specifications

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

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.

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.

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Graphics Performance

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

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

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Advanced Features (DLSS/FSR)

Feature	Radeon R7 A8-7680	Radeon HD 8770
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 R7 A8-7680 has 512 MB of VRAM, while the Radeon HD 8770 carries 2 GB. 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 R7 A8-7680 and 128-bit on the Radeon HD 8770. L2 Cache: 512 KB (Radeon R7 A8-7680) vs 256 KB (Radeon HD 8770) — the Radeon R7 A8-7680 has significantly larger on-die cache to reduce VRAM reliance.

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

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Display & API Support

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

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

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Media & Encoding

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

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

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Power & Dimensions

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

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

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Value Analysis

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

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

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