Radeon HD 7990 vs GRID P40-12Q

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 GRID P40-12Q

#336

Tesla K20m

MSRP: $3199|Avg: $55

15230%

#351

GRID P40-12Q

MSRP: $5699|Avg: $5699

100%

#352

FirePro 2270

MSRP: $149|Avg: $30

98%

#353

FirePro 2460

MSRP: $180|Avg: $10

97%

#355

Quadro FX 580

MSRP: $199|Avg: $500

94%

#356

FirePro 3D V5700

MSRP: $599|Avg: $25

94%

#358

GRID M60-1B

MSRP: $2500|Avg: $120

93%

#359

FireStream 9270

MSRP: $1499|Avg: $20

92%

#360

Quadro 400

MSRP: $169|Avg: $500

91%

#361

FirePro 2260

MSRP: $129|Avg: $15

91%

#362

Quadro FX 380 LP

MSRP: $169|Avg: $15

89%

#364

Quadro FX 1800

MSRP: $489|Avg: $100

84%

#365

FirePro 3D V8700

MSRP: $1499|Avg: $1229

82%

#366

FirePro 3D V9800

MSRP: $3499|Avg: $80

82%

Based on actual market prices and performance benchmarks.

Performance Comparison

About G3D Mark

🏆 Chipversus Verdict

🚀 Performance Leadership

The Radeon HD 7990 is the superior choice for raw performance. It leads with a 0.5% higher G3D Mark score. However, the GRID P40-12Q offers more VRAM, which may be beneficial for texture-heavy scenarios at higher resolutions.

Insight	Radeon HD 7990	GRID P40-12Q
Performance	✅Leading raw performance (+0.5%)	❌Lower raw frame rates (-0.5%)
Longevity	🛑Obsolete Architecture (2013 / GCN 1.0 (2012−2020))	🛑Obsolete Architecture (2015 / Maxwell 2.0 (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	Standard Size (305mm)	—

💎 Value Proposition

The Radeon HD 7990 offers a compelling cost-to-performance ratio. While both GPUs are considered legacy components by modern standards, the Radeon HD 7990 holds the technical lead. Priced at $999 (vs $5,699), it costs 82% less, resulting in a 473.1% higher cost efficiency score.

Insight	Radeon HD 7990	GRID P40-12Q
Cost Efficiency	✅Better overall value (+473.1%)	❌Lower cost efficiency
Upfront Cost	✅More affordable ($999)	⚠️Higher upfront cost ($5,699)

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 7990 Benchmark Check

GRID P40-12Q Benchmark Check

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Technical Specifications

Side-by-side comparison of Radeon HD 7990 and GRID P40-12Q

Radeon HD 7990

The Radeon HD 7990 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: 5,566 points. Launch price was $999.

GRID P40-12Q

The GRID P40-12Q is manufactured by NVIDIA. It was released in August 30 2015. It features the Maxwell 2.0 architecture. The core clock ranges from 557 MHz to 1178 MHz. It has 2048 shading units. The thermal design power (TDP) is 225W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 5,540 points.

⚡

Graphics Performance

The Radeon HD 7990 scores 5,566 and the GRID P40-12Q reaches 5,540 in the G3D Mark benchmark — just a 0.5% difference, making them near-identical in rasterization performance. The Radeon HD 7990 is built on GCN 1.0 while the GRID P40-12Q uses Maxwell 2.0, both on a 28 nm process. Shader units: 2,048 (Radeon HD 7990) vs 2,048 (GRID P40-12Q). Raw compute: 4.096 TFLOPS ×2 (Radeon HD 7990) vs 4.825 TFLOPS (GRID P40-12Q). Boost clocks: 1000 MHz vs 1178 MHz.

Feature	Radeon HD 7990	GRID P40-12Q
G3D Mark Score	5,566	5,540
Architecture	GCN 1.0	Maxwell 2.0
Process Node	28 nm	28 nm
Shading Units	2048 ×2	2048
Compute (TFLOPS)	4.096 TFLOPS ×2	4.825 TFLOPS+18%
Boost Clock	1000 MHz	1178 MHz+18%
ROPs	32 ×2	64+100%
TMUs	128 ×2	128
L1 Cache	512 KB	768 KB+50%
L2 Cache	0.75 MB	2 MB+167%

✨

Advanced Features (DLSS/FSR)

Feature	Radeon HD 7990	GRID P40-12Q
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	Standard

💾

Video Memory (VRAM)

The Radeon HD 7990 comes with 3 GB of VRAM, while the GRID P40-12Q has 4 GB. The GRID P40-12Q offers 33.3% more capacity, crucial for higher resolutions and texture-heavy games. Bus width: 384-bit x2 vs 128-bit. L2 Cache: 0.75 MB (Radeon HD 7990) vs 2 MB (GRID P40-12Q) — the GRID P40-12Q has significantly larger on-die cache to reduce VRAM reliance.

Feature	Radeon HD 7990	GRID P40-12Q
VRAM Capacity	3 GB	4 GB+33%
Memory Type	GDDR5	GDDR6
Bus Width	384-bit x2+200%	128-bit
L2 Cache	0.75 MB	2 MB+167%

🔌

Power & Dimensions

The Radeon HD 7990 draws 375W versus the GRID P40-12Q's 225W — a 50% difference. The GRID P40-12Q is more power-efficient. Recommended PSU: 750W (Radeon HD 7990) vs 350W (GRID P40-12Q). Power connectors: 2x 8-pin vs PCIe-powered.

Feature	Radeon HD 7990	GRID P40-12Q
TDP	375W	225W-40%
Recommended PSU	750W	350W-53%
Power Connector	2x 8-pin	PCIe-powered
Length	305mm	—
Height	111mm	—
Slots	2	—
Temp (Load)	85	—
Perf/Watt	14.8	24.6+66%

💰

Value Analysis

The Radeon HD 7990 launched at $999 MSRP and currently averages $999, while the GRID P40-12Q launched at $5699 and now averages $5699. The Radeon HD 7990 costs 82.5% less ($4700 savings) at current market prices. Performance per dollar (G3D Mark / price): 5.6 (Radeon HD 7990) vs 1.0 (GRID P40-12Q) — the Radeon HD 7990 offers 460% better value. The GRID P40-12Q is the newer GPU (2015 vs 2013).