RadeonT 660M
VS
Radeon HD 5870

RadeonT 660M vs Radeon HD 5870

AMD

RadeonT 660M

2023Core: 1500 MHzBoost: 1900 MHz
VS
AMD

Radeon HD 5870

2009Core: 850 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. The RadeonT 660M is positioned at rank #226 in our cost-efficiency ranking, representing a Lower cost-benefit for your build. 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 RadeonT 660M

#53
Radeon RX 6850M XT
MSRP: $800|Avg: $800
97%
#216
Radeon RX 550X (móvel)
MSRP: $35|Avg: $35
484%
#218
439%
#219
438%
#223
GeForce GTX 1050 (Mobile)
MSRP: N/A|Avg: $50
398%
#224
Radeon RX 6300
MSRP: $60|Avg: $40
395%
#226
RadeonT 660M
MSRP: N/A|Avg: N/A
100%
#228
GeForce GT 750M Mac Edition
MSRP: $149|Avg: $40
99%
#230
Maxwell GPU Surface Book
MSRP: $150|Avg: $75
98%
#235
Radeon RX 540
MSRP: $99|Avg: $40
96%
#236
Radeon HD 6750M
MSRP: N/A|Avg: $60
95%
#237
Radeon HD 7570M
MSRP: N/A|Avg: $15
94%
#239
GeForce MX570 A
MSRP: $300|Avg: $300
92%
#240
Arc Graphics 130T
MSRP: $300|Avg: $250
92%
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

⚠️ Generational Difference

The RadeonT 660M is significantly newer (2023 vs 2009). The RadeonT 660M likely supports modern features like Ray Tracing, Tensor Cores, and DLSS/FSR upscaling, which act as force multipliers for performance. The Radeon HD 5870 lacks this hardware feature set, limiting its longevity in modern titles despite any raw power similarities.

🚀 Performance Leadership

The RadeonT 660M is the superior choice for raw performance. It leads with a 1.9% higher G3D Mark score. This advantage makes it significantly better for higher resolutions (1440p/4K) and graphic-intensive titles compared to the Radeon HD 5870.

InsightRadeonT 660MRadeon HD 5870
Performance
Leading raw performance (+1.9%)
Lower raw frame rates (-1.9%)
Longevity
RDNA 2.0 (2020−2025) (6nm)
🛑Obsolete Architecture (2009 / TeraScale 2 (2009−2015))
Ecosystem
Supports FSR Upscaling
Supports FSR Upscaling
VRAM
❌ Less VRAM capacity
✅ More VRAM (+0%)
Efficiency
💡 Excellent Perf/Watt
⚡ Higher Power Consumption
Case Fit
Standard Size (280mm)

💎 Value Proposition

While current pricing data is unavailable, the RadeonT 660M 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 RadeonT 660M and Radeon HD 5870

AMD

RadeonT 660M

The RadeonT 660M 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: 2,221 points.

AMD

Radeon HD 5870

The Radeon HD 5870 is manufactured by AMD. It was released in September 23 2009. It features the TeraScale 2 architecture. The core clock speed is 850 MHz. It has 1600 shading units. The thermal design power (TDP) is 188W. Manufactured using 40 nm process technology. G3D Mark benchmark score: 2,180 points. Launch price was $399.

Graphics Performance

The RadeonT 660M scores 2,221 and the Radeon HD 5870 reaches 2,180 in the G3D Mark benchmark — just a 1.9% difference, making them near-identical in rasterization performance. The RadeonT 660M is built on RDNA 2.0 while the Radeon HD 5870 uses TeraScale 2, both on 6 nm vs 40 nm. Shader units: 384 (RadeonT 660M) vs 1,600 (Radeon HD 5870). Raw compute: 1.459 TFLOPS (RadeonT 660M) vs 2.72 TFLOPS (Radeon HD 5870).

FeatureRadeonT 660MRadeon HD 5870
G3D Mark Score
2,221+2%
2,180
Architecture
RDNA 2.0
TeraScale 2
Process Node
6 nm
40 nm
Shading Units
384
1600+317%
Compute (TFLOPS)
1.459 TFLOPS
2.72 TFLOPS+86%
ROPs
16
32+100%
TMUs
24
80+233%
L1 Cache
128 KB
160 KB+25%
L2 Cache
2 MB+300%
0.5 MB

Advanced Features (DLSS/FSR)

FeatureRadeonT 660MRadeon HD 5870
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 GDDR5. Bus width: 64-bit vs 128-bit. L2 Cache: 2 MB (RadeonT 660M) vs 0.5 MB (Radeon HD 5870) — the RadeonT 660M has significantly larger on-die cache to reduce VRAM reliance.

FeatureRadeonT 660MRadeon HD 5870
VRAM Capacity
2 GB
2 GB
Memory Type
GDDR5
GDDR5
Bus Width
64-bit
128-bit+100%
L2 Cache
2 MB+300%
0.5 MB
🖥️

Display & API Support

DirectX support: 12 (12_2) (RadeonT 660M) vs 11.2 (Radeon HD 5870). Maximum simultaneous displays: 3 vs 3.

FeatureRadeonT 660MRadeon HD 5870
DirectX
12 (12_2)+7%
11.2
Max Displays
3
3
🎬

Media & Encoding

Hardware encoder: VCN 3.0 (RadeonT 660M) vs UVD 2.2 (Radeon HD 5870). Decoder: VCN 3.0 vs UVD 2.2. Supported codecs: H.264,H.265,VP9,AV1,JPEG (RadeonT 660M) vs H.264 (Radeon HD 5870).

FeatureRadeonT 660MRadeon HD 5870
Encoder
VCN 3.0
UVD 2.2
Decoder
VCN 3.0
UVD 2.2
Codecs
H.264,H.265,VP9,AV1,JPEG
H.264
🔌

Power & Dimensions

The RadeonT 660M draws 40W versus the Radeon HD 5870's 188W — a 129.8% difference. The RadeonT 660M is more power-efficient. Recommended PSU: 350W (RadeonT 660M) vs 500W (Radeon HD 5870). Power connectors: PCIe-powered vs 2x 6-pin.

FeatureRadeonT 660MRadeon HD 5870
TDP
40W-79%
188W
Recommended PSU
350W-30%
500W
Power Connector
PCIe-powered
2x 6-pin
Length
280mm
Slots
2
Perf/Watt
55.5+378%
11.6
💰

Value Analysis

The RadeonT 660M is the newer GPU (2023 vs 2009).

FeatureRadeonT 660MRadeon HD 5870
MSRP
$399
Avg Price (30d)
$50
Codename
Rembrandt+
Cypress
Release
January 3 2023
September 23 2009
Ranking
#565
#663