Radeon R9 M390X
VS
Radeon HD 7850

Radeon R9 M390X vs Radeon HD 7850

AMD

Radeon R9 M390X

2015Core: 723 MHz
VS
AMD

Radeon HD 7850

2012Boost: 1000 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 Radeon R9 M390X is positioned at rank #416 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 Radeon R9 M390X

#406
Radeon RX 550X (móvel)
MSRP: $35|Avg: $35
1533%
#408
1390%
#409
1386%
#413
GeForce GTX 1050 (Mobile)
MSRP: N/A|Avg: $50
1261%
#414
Radeon RX 6300
MSRP: $60|Avg: $40
1252%
#416
Radeon R9 M390X
MSRP: $550|Avg: $120
100%
#417
Arc 8-Core iGPU
MSRP: $503|Avg: $400
98%
#418
Mobility Radeon HD 4670
MSRP: $67|Avg: $20
98%
#419
97%
#420
Radeon R9 M385
MSRP: $300|Avg: $60
97%
#421
Radeon R5 235
MSRP: $49|Avg: $49
97%
#422
Radeon R9 M375X
MSRP: $250|Avg: $50
97%
#423
Radeon HD 6620G
MSRP: $50|Avg: $10
96%
#424
Radeon R5 310
MSRP: $49|Avg: $15
96%
#425
Radeon HD 7690M XT
MSRP: $150|Avg: $40
95%
#426
Radeon HD 7600G
MSRP: $50|Avg: $10
94%
#427
Radeon R7 A265
MSRP: $149|Avg: $149
94%
#428
Radeon R9 M470
MSRP: $350|Avg: $80
94%
#429
Radeon R9 M385X
MSRP: $300|Avg: $300
94%
#431
Mobility Radeon HD 5570
MSRP: $80|Avg: $20
93%
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 HD 7850 is the superior choice for raw performance. It leads with a 0.1% higher G3D Mark score. However, the Radeon R9 M390X offers more VRAM, which may be beneficial for texture-heavy scenarios at higher resolutions.

InsightRadeon R9 M390XRadeon HD 7850
Performance
Lower raw frame rates (-0.1%)
Leading raw performance (+0.1%)
Longevity
🛑Obsolete Architecture (2015 / GCN 3.0 (2014−2019))
🛑Obsolete Architecture (2012 / GCN 1.0 (2012−2020))
Ecosystem
Supports FSR Upscaling
Supports FSR Upscaling
VRAM
✅ More VRAM (+100%)
❌ Less VRAM capacity
Efficiency
💡 Excellent Perf/Watt
⚡ Higher Power Consumption
Case Fit
📏 Compact / SFF Friendly

💎 Value Proposition

The Radeon HD 7850 offers a compelling cost-to-performance ratio. While both GPUs are considered legacy components by modern standards, the Radeon HD 7850 holds the technical lead. Priced at $50 (vs $120), it costs 58% less, resulting in a 140.1% higher cost efficiency score.

InsightRadeon R9 M390XRadeon HD 7850
Cost Efficiency
Lower cost efficiency
Better overall value (+140.1%)
Upfront Cost
⚠️Higher upfront cost ($120)
More affordable ($50)

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 R9 M390X and Radeon HD 7850

AMD

Radeon R9 M390X

The Radeon R9 M390X is manufactured by AMD. It was released in May 5 2015. It features the GCN 3.0 architecture. The core clock speed is 723 MHz. It has 2048 shading units. The thermal design power (TDP) is 75W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 3,895 points.

AMD

Radeon HD 7850

The Radeon HD 7850 is manufactured by AMD. It was released in March 5 2012. It features the GCN 1.0 architecture. The boost clock speed is 1000 MHz. It has 1024 shading units. The thermal design power (TDP) is 130W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 3,897 points. Launch price was $249.

Graphics Performance

The Radeon R9 M390X scores 3,895 and the Radeon HD 7850 reaches 3,897 in the G3D Mark benchmark — just a 0.1% difference, making them near-identical in rasterization performance. The Radeon R9 M390X is built on GCN 3.0 while the Radeon HD 7850 uses GCN 1.0, both on a 28 nm process. Shader units: 2,048 (Radeon R9 M390X) vs 1,024 (Radeon HD 7850). Raw compute: 2.961 TFLOPS (Radeon R9 M390X) vs 1.761 TFLOPS (Radeon HD 7850).

FeatureRadeon R9 M390XRadeon HD 7850
G3D Mark Score
3,895
3,897
Architecture
GCN 3.0
GCN 1.0
Process Node
28 nm
28 nm
Shading Units
2048+100%
1024
Compute (TFLOPS)
2.961 TFLOPS+68%
1.761 TFLOPS
ROPs
32
32
TMUs
128+100%
64
L1 Cache
512 KB+100%
256 KB
L2 Cache
512 KB
512 KB

Advanced Features (DLSS/FSR)

FeatureRadeon R9 M390XRadeon HD 7850
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 M390X comes with 4 GB of VRAM, while the Radeon HD 7850 has 2 GB. The Radeon R9 M390X offers 100% more capacity, crucial for higher resolutions and texture-heavy games. Memory bandwidth: 160 GB/s (Radeon R9 M390X) vs 153.6 GB/s (Radeon HD 7850) — a 4.2% advantage for the Radeon R9 M390X. Bus width: 256-bit vs 256-bit.

FeatureRadeon R9 M390XRadeon HD 7850
VRAM Capacity
4 GB+100%
2 GB
Memory Type
GDDR5
GDDR5
Memory Bandwidth
160 GB/s+4%
153.6 GB/s
Bus Width
256-bit
256-bit
L2 Cache
512 KB
512 KB
🔌

Power & Dimensions

The Radeon R9 M390X draws 75W versus the Radeon HD 7850's 130W — a 53.7% difference. The Radeon R9 M390X is more power-efficient. Recommended PSU: 350W (Radeon R9 M390X) vs 500W (Radeon HD 7850). Power connectors: Mobile vs 1x 6-pin.

FeatureRadeon R9 M390XRadeon HD 7850
TDP
75W-42%
130W
Recommended PSU
350W-30%
500W
Power Connector
Mobile
1x 6-pin
Length
210mm
Slots
2
Perf/Watt
51.9+73%
30.0
💰

Value Analysis

The Radeon R9 M390X launched at $550 MSRP and currently averages $120, while the Radeon HD 7850 launched at $249 and now averages $50. The Radeon HD 7850 costs 58.3% less ($70 savings) at current market prices. Performance per dollar (G3D Mark / price): 32.5 (Radeon R9 M390X) vs 77.9 (Radeon HD 7850) — the Radeon HD 7850 offers 139.7% better value. The Radeon R9 M390X is the newer GPU (2015 vs 2012).

FeatureRadeon R9 M390XRadeon HD 7850
MSRP
$550
$249-55%
Avg Price (30d)
$120
$50-58%
Performance per Dollar
32.5
77.9+140%
Codename
Amethyst
Pitcairn
Release
May 5 2015
March 5 2012
Ranking
#504
#503