Radeon R9 255
VS
Radeon HD 7870M

Radeon R9 255 vs Radeon HD 7870M

AMD

Radeon R9 255

2014Core: 918 MHz
VS
AMD

Radeon HD 7870M

2012Core: 800 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 Radeon HD 7870M

#112
Radeon RX 550X (móvel)
MSRP: $35|Avg: $35
288%
#114
261%
#115
261%
#119
GeForce GTX 1050 (Mobile)
MSRP: N/A|Avg: $50
237%
#120
Radeon RX 6300
MSRP: $60|Avg: $40
235%
#122
Radeon HD 7870M
MSRP: N/A|Avg: N/A
100%
#123
Radeon HD 6970M Crossfire
MSRP: $150|Avg: $150
100%
#126
GeForce GT 550M
MSRP: N/A|Avg: $30
99%
#131
GeForce GT 335M
MSRP: N/A|Avg: $25
98%
Based on actual market prices and performance benchmarks.

Performance Comparison

About G3D Mark

🏆 Chipversus Verdict

🚀 Performance Leadership

The Radeon HD 7870M is the superior choice for raw performance. It leads with a 0.4% higher G3D Mark score. This advantage makes it significantly better for higher resolutions (1440p/4K) and graphic-intensive titles compared to the Radeon R9 255.

InsightRadeon R9 255Radeon HD 7870M
Performance
Lower raw frame rates (-0.4%)
Leading raw performance (+0.4%)
Longevity
🛑Obsolete Architecture (2014 / GCN 3.0 (2014−2019))
🛑Obsolete Architecture (2012 / GCN 1.0 (2012−2020))
Ecosystem
Supports FSR Upscaling
Supports FSR Upscaling
VRAM
❌ Less VRAM capacity
✅ More VRAM (+0%)
Efficiency
⚡ Higher Power Consumption
💡 Excellent Perf/Watt
Case Fit

💎 Value Proposition

While current pricing data is unavailable, the Radeon HD 7870M 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.

Path of Exile 2
No prediction data available
Path of Exile 2
No prediction data available
League of Legends
No prediction data available
League of Legends
No prediction data available
Valorant
No prediction data available
Valorant
No prediction data available

Technical Specifications

Side-by-side comparison of Radeon R9 255 and Radeon HD 7870M

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 HD 7870M

The Radeon HD 7870M is manufactured by AMD. It was released in April 24 2012. It features the GCN 1.0 architecture. The core clock speed is 800 MHz. It has 640 shading units. The thermal design power (TDP) is 45W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 1,507 points.

Graphics Performance

The Radeon R9 255 scores 1,501 and the Radeon HD 7870M reaches 1,507 in the G3D Mark benchmark — just a 0.4% difference, making them near-identical in rasterization performance. The Radeon R9 255 is built on GCN 3.0 while the Radeon HD 7870M uses GCN 1.0, both on a 28 nm process. Shader units: 1,792 (Radeon R9 255) vs 640 (Radeon HD 7870M). Raw compute: 3.29 TFLOPS (Radeon R9 255) vs 1.024 TFLOPS (Radeon HD 7870M).

FeatureRadeon R9 255Radeon HD 7870M
G3D Mark Score
1,501
1,507
Architecture
GCN 3.0
GCN 1.0
Process Node
28 nm
28 nm
Shading Units
1792+180%
640
Compute (TFLOPS)
3.29 TFLOPS+221%
1.024 TFLOPS
ROPs
32+100%
16
TMUs
112+180%
40
L1 Cache
448 KB+180%
160 KB
L2 Cache
512 KB+100%
256 KB

Advanced Features (DLSS/FSR)

FeatureRadeon R9 255Radeon HD 7870M
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)

Both cards feature 2 GB of video memory. Bus width: 128-bit vs System. L2 Cache: 512 KB (Radeon R9 255) vs 256 KB (Radeon HD 7870M) — the Radeon R9 255 has significantly larger on-die cache to reduce VRAM reliance.

FeatureRadeon R9 255Radeon HD 7870M
VRAM Capacity
2 GB
2 GB
Memory Type
GDDR5
Shared
Memory Bandwidth
Unknown
System
Bus Width
128-bit
System
L2 Cache
512 KB+100%
256 KB
🔌

Power & Dimensions

The Radeon R9 255 draws 190W versus the Radeon HD 7870M's 45W — a 123.4% difference. The Radeon HD 7870M is more power-efficient. Recommended PSU: 400W (Radeon R9 255) vs 350W (Radeon HD 7870M). Power connectors: 1x 6-pin vs 1x 6-pin.

FeatureRadeon R9 255Radeon HD 7870M
TDP
190W
45W-76%
Recommended PSU
400W
350W-13%
Power Connector
1x 6-pin
1x 6-pin
Perf/Watt
7.9
33.5+324%
💰

Value Analysis

The Radeon R9 255 is the newer GPU (2014 vs 2012).

FeatureRadeon R9 255Radeon HD 7870M
MSRP
$139
Avg Price (30d)
$30
Codename
Tonga
Heathrow
Release
September 2 2014
April 24 2012
Ranking
#365
#765