Radeon HD 8990 vs Radeon R9 M395X

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 R9 M395X

#381

Radeon RX 550X (móvel)

MSRP: $35|Avg: $35

1273%

#383

GeForce GTX 1070 with Max-Q Design

MSRP: N/A|Avg: $150

1154%

#384

GeForce GTX 1060 with Max-Q Design

MSRP: N/A|Avg: $100

1151%

#388

GeForce GTX 1050 (Mobile)

MSRP: N/A|Avg: $50

1046%

#389

Radeon RX 6300

MSRP: $60|Avg: $40

1039%

#391

Radeon R9 M395X

MSRP: $600|Avg: $150

100%

#393

Radeon R9 M485X

MSRP: $450|Avg: $150

99%

#394

Radeon HD 8570D + HD 6670 Dual

MSRP: $150|Avg: $100

99%

#395

Radeon HD 6650A

MSRP: $100|Avg: $50

98%

#396

GeForce 920A

MSRP: $100|Avg: $15

97%

#397

GeForce 930A

MSRP: $150|Avg: $20

97%

#398

Mobility Radeon HD 4650

MSRP: $49|Avg: $15

96%

#400

Radeon R9 M290X

MSRP: $400|Avg: $60

94%

#401

Radeon HD 7670

MSRP: $100|Avg: $25

94%

#402

Radeon HD 8550G + 8750M Dual

MSRP: $100|Avg: $100

93%

#403

Mobility Radeon HD 5000

MSRP: $99|Avg: $20

92%

#404

Iris Pro Graphics 5200

MSRP: $150|Avg: $40

92%

#406

Radeon RX Vega 10 Ryzen 7 3700C

MSRP: $150|Avg: $50

91%

Based on actual market prices and performance benchmarks.

Performance Comparison

About G3D Mark

🏆 Chipversus Verdict

🚀 Performance Leadership

The Radeon HD 8990 is the superior choice for raw performance. It leads with a 1.8% higher G3D Mark score. However, the Radeon R9 M395X offers more VRAM, which may be beneficial for texture-heavy scenarios at higher resolutions.

Insight	Radeon HD 8990	Radeon R9 M395X
Performance	✅Leading raw performance (+1.8%)	❌Lower raw frame rates (-1.8%)
Longevity	🛑Obsolete Architecture (2013 / GCN 1.0 (2012−2020))	🛑Obsolete Architecture (2015 / GCN 3.0 (2014−2019))
Ecosystem	Supports FSR Upscaling	Supports FSR Upscaling
VRAM	❌ Less VRAM capacity	✅ More VRAM (+33.3%)
Efficiency	⚡ Higher Power Consumption	💡 Excellent Perf/Watt
Case Fit	—	—

💎 Value Proposition

The Radeon R9 M395X offers a compelling cost-to-performance ratio. While both GPUs are considered legacy components by modern standards, the Radeon R9 M395X holds the technical lead. Priced at $150 (vs $999), it costs 85% less, resulting in a 554% higher cost efficiency score.

Insight	Radeon HD 8990	Radeon R9 M395X
Cost Efficiency	❌Lower cost efficiency	✅Better overall value (+554%)
Upfront Cost	⚠️Higher upfront cost ($999)	✅More affordable ($150)

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.

Radeon HD 8990 Benchmark Check

Radeon R9 M395X Benchmark Check

Technical Specifications

Side-by-side comparison of Radeon HD 8990 and Radeon R9 M395X

Radeon HD 8990

The Radeon HD 8990 is manufactured by AMD. It was released in April 24 2013. It features the GCN 1.0 architecture. The core clock ranges from 950 MHz to 1000 MHz. It has 2048 ×2 shading units. The thermal design power (TDP) is 375W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 5,214 points. Launch price was $999.

Radeon R9 M395X

The Radeon R9 M395X 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: 5,120 points.

⚡

Graphics Performance

The Radeon HD 8990 scores 5,214 and the Radeon R9 M395X reaches 5,120 in the G3D Mark benchmark — just a 1.8% difference, making them near-identical in rasterization performance. The Radeon HD 8990 is built on GCN 1.0 while the Radeon R9 M395X uses GCN 3.0, both on a 28 nm process. Shader units: 2,048 (Radeon HD 8990) vs 2,048 (Radeon R9 M395X). Raw compute: 4.096 TFLOPS ×2 (Radeon HD 8990) vs 2.961 TFLOPS (Radeon R9 M395X).

Feature	Radeon HD 8990	Radeon R9 M395X
G3D Mark Score	5,214+2%	5,120
Architecture	GCN 1.0	GCN 3.0
Process Node	28 nm	28 nm
Shading Units	2048 ×2	2048
Compute (TFLOPS)	4.096 TFLOPS ×2+38%	2.961 TFLOPS
ROPs	32 ×2	32
TMUs	128 ×2	128
L1 Cache	512 KB	512 KB
L2 Cache	768 KB+50%	512 KB

✨

Advanced Features (DLSS/FSR)

Feature	Radeon HD 8990	Radeon R9 M395X
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 HD 8990 comes with 3 GB of VRAM, while the Radeon R9 M395X has 4 GB. The Radeon R9 M395X offers 33.3% more capacity, crucial for higher resolutions and texture-heavy games. Memory bandwidth: 288 GB/s x2 (Radeon HD 8990) vs 160 GB/s (Radeon R9 M395X) — a 1701.3% advantage for the Radeon HD 8990. Bus width: 384-bit x2 vs 256-bit. L2 Cache: 768 KB (Radeon HD 8990) vs 512 KB (Radeon R9 M395X) — the Radeon HD 8990 has significantly larger on-die cache to reduce VRAM reliance.

Feature	Radeon HD 8990	Radeon R9 M395X
VRAM Capacity	3 GB	4 GB+33%
Memory Type	GDDR5	GDDR5
Memory Bandwidth	288 GB/s x2+80%	160 GB/s
Bus Width	384-bit x2+50%	256-bit
L2 Cache	768 KB+50%	512 KB

🔌

Power & Dimensions

The Radeon HD 8990 draws 375W versus the Radeon R9 M395X's 75W — a 133.3% difference. The Radeon R9 M395X is more power-efficient. Recommended PSU: 750W (Radeon HD 8990) vs 350W (Radeon R9 M395X). Power connectors: 2x 8-pin vs Mobile.

Feature	Radeon HD 8990	Radeon R9 M395X
TDP	375W	75W-80%
Recommended PSU	750W	350W-53%
Power Connector	2x 8-pin	Mobile
Perf/Watt	13.9	68.3+391%

💰

Value Analysis

The Radeon HD 8990 launched at $999 MSRP and currently averages $999, while the Radeon R9 M395X launched at $600 and now averages $150. The Radeon R9 M395X costs 85% less ($849 savings) at current market prices. Performance per dollar (G3D Mark / price): 5.2 (Radeon HD 8990) vs 34.1 (Radeon R9 M395X) — the Radeon R9 M395X offers 555.8% better value. The Radeon R9 M395X is the newer GPU (2015 vs 2013).