Radeon HD 7790 vs Radeon Pro 455

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 7790 vs Radeon Pro 455 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 7790 vs Radeon Pro 455: 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 7790

2013

Why buy it

✅Delivers 100+% more G3D Mark for each dollar spent, at 20.7 vs 0 G3D/$ ($149 MSRP vs Unknown MSRP).

Trade-offs

❌Lower average FPS than Radeon Pro 455 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.
❌142.9% higher power demand at 85W vs 35W.
❌18200% longer card at 183mm vs 1mm.

Radeon Pro 455

2016

Why buy it

✅2.3% more average FPS across 50 tracked games in our benchmark data.
✅Draws 35W instead of 85W, a 50W reduction.
✅Measures 1mm instead of 183mm, a 182mm shorter card that is more SFF-friendly.

Trade-offs

❌2016 hardware with 2 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 20.7 G3D/$ (Unknown MSRP vs $149 MSRP).

Quick Answers

Which GPU is faster for gaming right now?

Radeon Pro 455 is the faster gaming card right now. In our data, it leads by 2.3% in average FPS across 50 tracked games in our benchmark data and by 0.7% in PassMark G3D (3,113 vs 3,090), so the answer here is pretty clean.

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

Radeon HD 7790 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 HD 7790 makes the most sense today based on the pricing and value data we have for this matchup. Radeon Pro 455 still makes more sense if max raw gaming performance matters more than value.

Radeon HD 7790 vs Radeon Pro 455 Technical Specifications

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

Radeon HD 7790

The Radeon HD 7790 is manufactured by AMD. It was released in March 22 2013. It features the GCN 2.0 architecture. The core clock speed is 1000 MHz. It has 896 shading units. The thermal design power (TDP) is 85W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 3,090 points. Launch price was $149.

Radeon Pro 455

The Radeon Pro 455 is manufactured by AMD. It was released in October 30 2016. It features the GCN 4.0 architecture. The core clock speed is 855 MHz. It has 768 shading units. The thermal design power (TDP) is 35W. Manufactured using 14 nm process technology. G3D Mark benchmark score: 3,113 points.

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Graphics Performance

The Radeon HD 7790 scores 3,090 and the Radeon Pro 455 reaches 3,113 in the G3D Mark benchmark — just a 0.7% difference, making them near-identical in rasterization performance. The Radeon HD 7790 is built on GCN 2.0 while the Radeon Pro 455 uses GCN 4.0, both on 28 nm vs 14 nm. Shader units: 896 (Radeon HD 7790) vs 768 (Radeon Pro 455). Raw compute: 1.792 TFLOPS (Radeon HD 7790) vs 1.313 TFLOPS (Radeon Pro 455).

Feature	Radeon HD 7790	Radeon Pro 455
G3D Mark Score	3,090	3,113
Architecture	GCN 2.0	GCN 4.0
Process Node	28 nm	14 nm
Shading Units	896+17%	768
Compute (TFLOPS)	1.792 TFLOPS+36%	1.313 TFLOPS
ROPs	16	16
TMUs	56+17%	48
L1 Cache	224 KB+17%	192 KB
L2 Cache	0.25 MB	1 MB+300%
Frame Generation	FSR upscaling	FSR upscaling

✨

Advanced Features (DLSS/FSR)

Feature	Radeon HD 7790	Radeon Pro 455
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)

Both cards ship with 2 GB of GDDR5. Memory bus width is 128-bit on the Radeon HD 7790 and 64-bit on the Radeon Pro 455. L2 Cache: 0.25 MB (Radeon HD 7790) vs 1 MB (Radeon Pro 455) — the Radeon Pro 455 has significantly larger on-die cache to reduce VRAM reliance.

Feature	Radeon HD 7790	Radeon Pro 455
VRAM Capacity	2 GB	2 GB
Memory Type	GDDR5	GDDR5
Bus Width	128-bit+100%	64-bit
L2 Cache	0.25 MB	1 MB+300%

🖥️

Display & API Support

DirectX support: 12 (12_0) (Radeon HD 7790) vs 12_0 (Radeon Pro 455). Maximum simultaneous displays: 5 vs 0.

Feature	Radeon HD 7790	Radeon Pro 455
DirectX	12 (12_0)	12_0
Max Displays	5	0

🎬

Media & Encoding

Hardware encoder: VCE 2.0 (Radeon HD 7790) vs VCE 3.4 (Radeon Pro 455). Decoder: UVD 4.2 vs UVD 6.3.

Feature	Radeon HD 7790	Radeon Pro 455
Encoder	VCE 2.0	VCE 3.4
Decoder	UVD 4.2	UVD 6.3
Codecs	H.264,VC-1,MPEG-2,MPEG-4	—

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Power & Dimensions

The Radeon HD 7790 draws 85W versus the Radeon Pro 455's 35W — a 83.3% difference. The Radeon Pro 455 is more power-efficient. Recommended PSU: 400W (Radeon HD 7790) vs 350W (Radeon Pro 455). Power connectors: 1x 6-pin vs PCIe-powered. Card length: 183mm vs 1mm, occupying 2 vs 0 slots.

Feature	Radeon HD 7790	Radeon Pro 455
TDP	85W	35W-59%
Recommended PSU	400W	350W-13%
Power Connector	1x 6-pin	PCIe-powered
Length	183mm	1mm
Height	111mm	—
Slots	2	0-100%
Temp (Load)	70	—
Perf/Watt	36.4	88.9+144%

💰

Value Analysis

At launch, the Radeon HD 7790 came in at $149, while the Radeon Pro 455 launched at $0. On MSRP, Radeon Pro 455 was 100+% cheaper ($149 less). Performance per dollar on MSRP (G3D Mark / MSRP): 20.7 (Radeon HD 7790) vs Infinity (Radeon Pro 455) — the Radeon Pro 455 offers Infinity% better value. The newer card here is Radeon Pro 455 (2016 vs 2013).

Feature	Radeon HD 7790	Radeon Pro 455
MSRP	$149	$0-100%
Performance per Dollar	20.7	Infinity
Codename	Bonaire	Baffin
Release	March 22 2013	October 30 2016
Ranking	#579	#577

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