Radeon 6600M
VS
Radeon R5 M255

Radeon 6600M vs Radeon R5 M255

AMD

Radeon 6600M

2023Core: 1500 MHzBoost: 1900 MHz
VS
AMD

Radeon R5 M255

2014Core: 900 MHzBoost: 925 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. The Radeon 6600M is positioned at rank 587 and the Radeon R5 M255 is on rank 553, so the Radeon R5 M255 offers better cost-efficiency for playing games.

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

Performance Per Dollar Radeon 6600M

#577
Radeon RX 550X (móvel)
MSRP: $35|Avg: $35
3643%
#579
3303%
#580
3294%
#584
GeForce GTX 1050 (Mobile)
MSRP: N/A|Avg: $50
2995%
#585
Radeon RX 6300
MSRP: $60|Avg: $40
2975%
#587
Radeon 6600M
MSRP: N/A|Avg: N/A
100%
#588
Mobility Radeon HD 4350
MSRP: $50|Avg: $15
99%
#589
GeForce 405
MSRP: $40|Avg: $5
99%
#590
Mobility Radeon HD 3670
MSRP: $79|Avg: $15
99%
#591
Mobility Radeon HD 5650
MSRP: $150|Avg: $30
99%
#592
GeForce 510
MSRP: $99|Avg: $15
98%
#593
Mobility Radeon HD 3650
MSRP: $49|Avg: $15
96%
#594
GeForce 9300M G
MSRP: $30|Avg: $30
95%
#596
GeForce 9800 GT
MSRP: $160|Avg: $20
94%
#598
GeForce 9100M G
MSRP: $30|Avg: $10
93%
#599
Mobility Radeon X1900
MSRP: $49|Avg: $15
93%
#600
Mobility Radeon HD 4330
MSRP: $49|Avg: $49
93%
#601
GeForce 210
MSRP: $50|Avg: $5
93%
#602
Radeon R7 M365X
MSRP: $300|Avg: $300
92%
Based on actual market prices and performance benchmarks.

Performance Per Dollar Radeon R5 M255

#543
Radeon RX 550X (móvel)
MSRP: $35|Avg: $35
2999%
#545
2719%
#546
2712%
#550
GeForce GTX 1050 (Mobile)
MSRP: N/A|Avg: $50
2466%
#551
Radeon RX 6300
MSRP: $60|Avg: $40
2449%
#553
Radeon R5 M255
MSRP: $150|Avg: $30
100%
#554
Mobility Radeon HD 565v
MSRP: $99|Avg: $20
99%
#555
Mobility Radeon HD 530v
MSRP: $49|Avg: $15
99%
#556
98%
#558
96%
#559
Radeon HD 8690A
MSRP: $150|Avg: $150
95%
#560
94%
#561
93%
#562
GeForce 9200
MSRP: $50|Avg: $15
93%
#563
93%
#564
Radeon R7 M265DX
MSRP: $149|Avg: $40
93%
#565
Radeon R9 M375
MSRP: $300|Avg: $300
92%
#567
91%
#568
91%
Based on actual market prices and performance benchmarks.

Performance Comparison

About G3D Mark

🏆 Chipversus Verdict

⚠️ Generational Difference

The Radeon 6600M is significantly newer (2023 vs 2014). The Radeon 6600M likely supports modern features like Ray Tracing, Tensor Cores, and DLSS/FSR upscaling, which act as force multipliers for performance. The Radeon R5 M255 lacks this hardware feature set, limiting its longevity in modern titles despite any raw power similarities.

🚀 Performance Leadership

The Radeon R5 M255 is the superior choice for raw performance. It leads with a 1.3% higher G3D Mark score and 700% more VRAM (4 GB vs 512 MB). This advantage makes it significantly better for higher resolutions (1440p/4K) and graphic-intensive titles compared to the Radeon 6600M.

InsightRadeon 6600MRadeon R5 M255
Performance
Lower raw frame rates (-1.3%)
Leading raw performance (+1.3%)
Longevity
RDNA 2.0 (2020−2025) (6nm)
🛑Obsolete Architecture (2014 / GCN 1.0 (2012−2020))
Ecosystem
Supports FSR Upscaling
Supports FSR Upscaling
VRAM
❌ Less VRAM capacity
✅ More VRAM (+700%)
Efficiency
💡 Excellent Perf/Watt
⚡ Higher Power Consumption
Case Fit

💎 Value Proposition

While current pricing data is unavailable, the Radeon R5 M255 remains the clear technical winner. Check real-time availability to determine if the performance gap justifies the market price.

Performance Check

Real-world benchmarks and performance projections based on comprehensive hardware analysis and comparative metrics. Values represent expected performance on High/Ultra settings at 1080p, 1440p, and 4K. Modeled using a Ryzen 7 7800X3D reference profile to minimize specific CPU bottlenecks.

Note: Performance behavior can vary per game. Specific architectures may perform better or worse depending on game engine optimizations and API implementation.

Technical Specifications

Side-by-side comparison of Radeon 6600M and Radeon R5 M255

AMD

Radeon 6600M

The Radeon 6600M is manufactured by AMD. It was released in January 3 2023. It features the RDNA 2.0 architecture. The core clock ranges from 1500 MHz to 1900 MHz. It has 384 shading units. The thermal design power (TDP) is 40W. Manufactured using 6 nm process technology. It features 6 dedicated ray tracing cores for enhanced lighting effects. G3D Mark benchmark score: 536 points.

AMD

Radeon R5 M255

The Radeon R5 M255 is manufactured by AMD. It was released in January 28 2014. It features the GCN 1.0 architecture. The core clock ranges from 900 MHz to 925 MHz. It has 640 shading units. The thermal design power (TDP) is 75W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 543 points. Launch price was $799.99.

Graphics Performance

The Radeon 6600M scores 536 and the Radeon R5 M255 reaches 543 in the G3D Mark benchmark — just a 1.3% difference, making them near-identical in rasterization performance. The Radeon 6600M is built on RDNA 2.0 while the Radeon R5 M255 uses GCN 1.0, both on 6 nm vs 28 nm. Shader units: 384 (Radeon 6600M) vs 640 (Radeon R5 M255). Raw compute: 1.459 TFLOPS (Radeon 6600M) vs 1.184 TFLOPS (Radeon R5 M255). Boost clocks: 1900 MHz vs 925 MHz.

FeatureRadeon 6600MRadeon R5 M255
G3D Mark Score
536
543+1%
Architecture
RDNA 2.0
GCN 1.0
Process Node
6 nm
28 nm
Shading Units
384
640+67%
Compute (TFLOPS)
1.459 TFLOPS+23%
1.184 TFLOPS
Boost Clock
1900 MHz+105%
925 MHz
ROPs
16
16
TMUs
24
40+67%
L1 Cache
128 KB
160 KB+25%
L2 Cache
2 MB+700%
0.25 MB

Advanced Features (DLSS/FSR)

FeatureRadeon 6600MRadeon R5 M255
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 6600M comes with 512 MB of VRAM, while the Radeon R5 M255 has 4 GB. The Radeon R5 M255 offers 700% more capacity, crucial for higher resolutions and texture-heavy games. Bus width: System vs 128-bit. L2 Cache: 2 MB (Radeon 6600M) vs 0.25 MB (Radeon R5 M255) — the Radeon 6600M has significantly larger on-die cache to reduce VRAM reliance.

FeatureRadeon 6600MRadeon R5 M255
VRAM Capacity
0.5 GB
4 GB+700%
Memory Type
Shared
GDDR5
Memory Bandwidth
System
Unknown
Bus Width
System
128-bit
L2 Cache
2 MB+700%
0.25 MB
🔌

Power & Dimensions

The Radeon 6600M draws 40W versus the Radeon R5 M255's 75W — a 60.9% difference. The Radeon 6600M is more power-efficient. Recommended PSU: 350W (Radeon 6600M) vs 350W (Radeon R5 M255). Power connectors: PCIe-powered vs Mobile.

FeatureRadeon 6600MRadeon R5 M255
TDP
40W-47%
75W
Recommended PSU
350W
350W
Power Connector
PCIe-powered
Mobile
Slots
0
Temp (Load)
80°C
Perf/Watt
13.4+86%
7.2
💰

Value Analysis

The Radeon 6600M is the newer GPU (2023 vs 2014).

FeatureRadeon 6600MRadeon R5 M255
MSRP
$150
Avg Price (30d)
$30
Codename
Rembrandt+
Venus
Release
January 3 2023
January 28 2014
Ranking
#565
#851