Radeon HD 7790 vs Radeon Pro 555

AMD

Radeon HD 7790

2013Core: 1000 MHz
VS
AMD

Radeon Pro 555

2017Core: 850 MHz
Similar parts
·······

Radeon HD 7790 vs Radeon Pro 555 Performance Spectrum

About G3D Mark

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 555 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 555: 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 555 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.

Radeon Pro 555

2017

Why buy it

  • 3.9% more average FPS across 50 tracked games in our benchmark data.
  • More future proof: GCN 4.0 (2016−2020) on 14nm with a newer platform for upcoming games.

Trade-offs

  • 2017 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 555 is the faster gaming card right now. In our data, it leads by 3.9% in average FPS across 50 tracked games in our benchmark data and by 1.7% in PassMark G3D (3,141 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 555 still makes more sense if max raw gaming performance matters more than value.

Radeon HD 7790 vs Radeon Pro 555 Technical Specifications

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

AMD

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.

AMD

Radeon Pro 555

The Radeon Pro 555 is manufactured by AMD. It was released in June 5 2017. It features the GCN 4.0 architecture. The core clock speed is 850 MHz. It has 768 shading units. The thermal design power (TDP) is 75W. Manufactured using 14 nm process technology. G3D Mark benchmark score: 3,141 points.

Graphics Performance

The Radeon HD 7790 scores 3,090 and the Radeon Pro 555 reaches 3,141 in the G3D Mark benchmark — just a 1.7% difference, making them near-identical in rasterization performance. The Radeon HD 7790 is built on GCN 2.0 while the Radeon Pro 555 uses GCN 4.0, both on 28 nm vs 14 nm. Shader units: 896 (Radeon HD 7790) vs 768 (Radeon Pro 555). Raw compute: 1.792 TFLOPS (Radeon HD 7790) vs 1.306 TFLOPS (Radeon Pro 555).

FeatureRadeon HD 7790Radeon Pro 555
G3D Mark Score
3,090
3,141+2%
Architecture
GCN 2.0
GCN 4.0
Process Node
28 nm
14 nm
Shading Units
896+17%
768
Compute (TFLOPS)
1.792 TFLOPS+37%
1.306 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)

FeatureRadeon HD 7790Radeon Pro 555
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 2 GB of GDDR5. Memory bus width is 128-bit on the Radeon HD 7790 and 64-bit on the Radeon Pro 555. L2 Cache: 0.25 MB (Radeon HD 7790) vs 1 MB (Radeon Pro 555) — the Radeon Pro 555 has significantly larger on-die cache to reduce VRAM reliance.

FeatureRadeon HD 7790Radeon Pro 555
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%
🔌

Power & Dimensions

The Radeon HD 7790 draws 85W versus the Radeon Pro 555's 75W — a 12.5% difference. The Radeon Pro 555 is more power-efficient. Recommended PSU: 400W (Radeon HD 7790) vs 350W (Radeon Pro 555). Power connectors: 1x 6-pin vs PCIe-powered.

FeatureRadeon HD 7790Radeon Pro 555
TDP
85W
75W-12%
Recommended PSU
400W
350W-13%
Power Connector
1x 6-pin
PCIe-powered
Length
183mm
Height
111mm
Slots
2
Temp (Load)
70
Perf/Watt
36.4
41.9+15%
💰

Value Analysis

At launch, the Radeon HD 7790 came in at $149, while the Radeon Pro 555 launched at $0. On MSRP, Radeon Pro 555 was 100+% cheaper ($149 less). Performance per dollar on MSRP (G3D Mark / MSRP): 20.7 (Radeon HD 7790) vs Infinity (Radeon Pro 555) — the Radeon Pro 555 offers Infinity% better value. The newer card here is Radeon Pro 555 (2017 vs 2013).

FeatureRadeon HD 7790Radeon Pro 555
MSRP
$149
$0-100%
Performance per Dollar
20.7
Infinity
Codename
Bonaire
Polaris 21
Release
March 22 2013
June 5 2017
Ranking
#579
#574

Affiliate Disclosure

ChipVERSUS is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to Amazon.com. We may earn a commission on qualifying purchases made through our links. This comes at no additional cost to you and helps support our work in providing comprehensive PC building guides and tools.

Amazon and the Amazon logo are trademarks of Amazon.com, Inc. or its affiliates.