Radeon R9 255
VS
Radeon RX Vega 6

Radeon R9 255 vs Radeon RX Vega 6

AMD

Radeon R9 255

2014Core: 918 MHz
VS
AMD

Radeon RX Vega 6

2017Core: 1247 MHzBoost: 1546 MHz

Performance Spectrum - GPU

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.

Value Upgrade Path

This is the official ChipVERSUS Value Rating, comparing raw performance (G3D Mark) per dollar. Components placed above yours deliver better value for money.

MSRP is the manufacturer's suggested retail price.
Avg price is the current average price collected from markets across the web.

Performance Per Dollar

Based on actual market prices and performance benchmarks.

Performance Per Dollar

Based on actual market prices and performance benchmarks.

Performance Comparison

About G3D Mark

🏆 Chipversus Verdict

🚀 Performance Leadership

The Radeon R9 255 is the superior choice for raw performance. It leads with a 0.6% higher G3D Mark score and 100+% more VRAM (2 GB vs 0 MB). This advantage makes it significantly better for higher resolutions (1440p/4K) and graphic-intensive titles compared to the Radeon RX Vega 6.

InsightRadeon R9 255Radeon RX Vega 6
Performance
Leading raw performance (+0.6%)
Lower raw frame rates (-0.6%)
Longevity
🛑Obsolete Architecture (2014 / GCN 3.0 (2014−2019))
🛑Obsolete Architecture (2017 / GCN 5.0 (2017−2020))
Ecosystem
Supports FSR Upscaling
Supports FSR Upscaling
VRAM
✅ More VRAM (+100+%)
❌ Less VRAM capacity
Efficiency
💡 Excellent Perf/Watt
⚡ Higher Power Consumption
Case Fit

💎 Value Proposition

While current pricing data is unavailable, the Radeon R9 255 remains the clear technical winner. Check real-time availability to determine if the performance gap justifies the market price.

Technical Specifications

Side-by-side comparison of Radeon R9 255 and Radeon RX Vega 6

AMD

Radeon R9 255

The Radeon R9 255 is manufactured by AMD. It was released in September 2 2014. It features the GCN 3.0 architecture. The core clock speed is 918 MHz. It has 1792 shading units. The thermal design power (TDP) is 190W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 1,501 points. Launch price was $249.

AMD

Radeon RX Vega 6

The Radeon RX Vega 6 is manufactured by AMD. It was released in August 7 2017. It features the GCN 5.0 architecture. The core clock ranges from 1247 MHz to 1546 MHz. It has 4096 shading units. The thermal design power (TDP) is 295W. Manufactured using 14 nm process technology. G3D Mark benchmark score: 1,492 points. Launch price was $499.

Graphics Performance

The Radeon R9 255 scores 1,501 and the Radeon RX Vega 6 reaches 1,492 in the G3D Mark benchmark — just a 0.6% difference, making them near-identical in rasterization performance. The Radeon R9 255 is built on GCN 3.0 while the Radeon RX Vega 6 uses GCN 5.0, both on 28 nm vs 14 nm. Shader units: 1,792 (Radeon R9 255) vs 4,096 (Radeon RX Vega 6). Raw compute: 3.29 TFLOPS (Radeon R9 255) vs 12.66 TFLOPS (Radeon RX Vega 6).

FeatureRadeon R9 255Radeon RX Vega 6
G3D Mark Score
1,501
1,492
Architecture
GCN 3.0
GCN 5.0
Process Node
28 nm
14 nm
Shading Units
1792
4096+129%
Compute (TFLOPS)
3.29 TFLOPS
12.66 TFLOPS+285%
ROPs
32
64+100%
TMUs
112
256+129%
L1 Cache
0.44 MB
1 MB+127%
L2 Cache
0.5 MB
4 MB+700%

Advanced Features (DLSS/FSR)

FeatureRadeon R9 255Radeon RX Vega 6
Upscaling Tech
FSR 1.0 (Software)
FSR 1.0 (Software)
Frame Generation
Not Supported
Not Supported
Ray Reconstruction
No
No
Low Latency
AMD Anti-Lag
AMD Anti-Lag
💾

Video Memory (VRAM)

The Radeon R9 255 comes with 2 GB of VRAM, while the Radeon RX Vega 6 has 0 MB. The Radeon R9 255 offers 100+% more capacity, crucial for higher resolutions and texture-heavy games. Bus width: 128-bit vs System. L2 Cache: 0.5 MB (Radeon R9 255) vs 4 MB (Radeon RX Vega 6) — the Radeon RX Vega 6 has significantly larger on-die cache to reduce VRAM reliance.

FeatureRadeon R9 255Radeon RX Vega 6
VRAM Capacity
2 GB
Shared System RAM
Memory Type
GDDR5
Shared
Memory Bandwidth
Unknown
System
Bus Width
128-bit
System
L2 Cache
0.5 MB
4 MB+700%
🔌

Power & Dimensions

The Radeon R9 255 draws 190W versus the Radeon RX Vega 6's 295W — a 43.3% difference. The Radeon R9 255 is more power-efficient. Recommended PSU: 400W (Radeon R9 255) vs 1W (Radeon RX Vega 6). Power connectors: 1x 6-pin vs Integrated.

FeatureRadeon R9 255Radeon RX Vega 6
TDP
190W-36%
295W
Recommended PSU
400W
1W-100%
Power Connector
1x 6-pin
Integrated
Perf/Watt
7.9+55%
5.1
💰

Value Analysis

The Radeon R9 255 launched at $139 MSRP and currently averages $30, while the Radeon RX Vega 6 launched at $0 and now averages $0. The Radeon RX Vega 6 costs 100+% less ($30 savings) at current market prices. Performance per dollar (G3D Mark / price): 50.0 (Radeon R9 255) vs Infinity (Radeon RX Vega 6) — the Radeon RX Vega 6 offers Infinity% better value. The Radeon RX Vega 6 is the newer GPU (2017 vs 2014).

FeatureRadeon R9 255Radeon RX Vega 6
MSRP
$139
$0-100%
Avg Price (30d)
$30
$0-100%
Performance per Dollar
50.0
Infinity
Codename
Tonga
Vega 10
Release
September 2 2014
August 7 2017
Ranking
#365
#171