GRID P4-8Q
VS
Radeon HD 8990

GRID P4-8Q vs Radeon HD 8990

GRID P4-8Q

2015Core: 722 MHz
VS
AMD

Radeon HD 8990

2013Core: 950 MHzBoost: 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 GRID P4-8Q is positioned at rank #261 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 GRID P4-8Q

#107
Quadro P6000
MSRP: $5999|Avg: $1500
98%
#108
Quadro M6000
MSRP: $4999|Avg: $500
89%
#246
Tesla K20m
MSRP: $3199|Avg: $55
5596%
#261
GRID P4-8Q
MSRP: $2000|Avg: $200
100%
#262
Quadro K2000
MSRP: $599|Avg: $500
100%
#264
FirePro 3D V5800
MSRP: $479|Avg: $30
97%
#265
GRID M3-3020
MSRP: $1000|Avg: $50
95%
#266
GRID P40-8Q
MSRP: $3000|Avg: $150
95%
#267
GRID M40
MSRP: $1000|Avg: $100
95%
#268
FirePro V3800
MSRP: $129|Avg: $12
94%
#269
FirePro V5800
MSRP: $479|Avg: $15
94%
#270
FirePro 3D V7800
MSRP: $759|Avg: $40
93%
#271
FirePro S9050
MSRP: $1999|Avg: $1825
93%
#272
FirePro R5000
MSRP: $1099|Avg: $150
91%
#273
GRID M6-8Q
MSRP: $1500|Avg: $100
90%
#276
GRID K120Q
MSRP: $125|Avg: $20
89%
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 GRID P4-8Q is the superior choice for raw performance. It leads with a 1.3% higher G3D Mark score and 33.3% more VRAM (4 GB vs 3 GB). This advantage makes it significantly better for higher resolutions (1440p/4K) and graphic-intensive titles compared to the Radeon HD 8990.

InsightGRID P4-8QRadeon HD 8990
Performance
Leading raw performance (+1.3%)
Lower raw frame rates (-1.3%)
Longevity
🛑Obsolete Architecture (2015 / Maxwell 2.0 (2014−2019))
🛑Obsolete Architecture (2013 / GCN 1.0 (2012−2020))
Ecosystem
Supports FSR Upscaling
Supports FSR Upscaling
VRAM
✅ More VRAM (+33.3%)
❌ Less VRAM capacity
Efficiency
💡 Excellent Perf/Watt
⚡ Higher Power Consumption
Case Fit

💎 Value Proposition

The GRID P4-8Q offers a compelling cost-to-performance ratio. While both GPUs are considered legacy components by modern standards, the GRID P4-8Q holds the technical lead. Priced at $200 (vs $999), it costs 80% less, resulting in a 406.1% higher cost efficiency score.

InsightGRID P4-8QRadeon HD 8990
Cost Efficiency
Better overall value (+406.1%)
Lower cost efficiency
Upfront Cost
More affordable ($200)
⚠️Higher upfront cost ($999)

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 GRID P4-8Q and Radeon HD 8990

NVIDIA

GRID P4-8Q

The GRID P4-8Q is manufactured by NVIDIA. It was released in August 30 2015. It features the Maxwell 2.0 architecture. The core clock speed is 722 MHz. It has 1536 shading units. The thermal design power (TDP) is 100W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 5,283 points.

AMD

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.

Graphics Performance

The GRID P4-8Q scores 5,283 and the Radeon HD 8990 reaches 5,214 in the G3D Mark benchmark — just a 1.3% difference, making them near-identical in rasterization performance. The GRID P4-8Q is built on Maxwell 2.0 while the Radeon HD 8990 uses GCN 1.0, both on a 28 nm process. Shader units: 1,536 (GRID P4-8Q) vs 2,048 (Radeon HD 8990). Raw compute: 2.218 TFLOPS (GRID P4-8Q) vs 4.096 TFLOPS ×2 (Radeon HD 8990).

FeatureGRID P4-8QRadeon HD 8990
G3D Mark Score
5,283+1%
5,214
Architecture
Maxwell 2.0
GCN 1.0
Process Node
28 nm
28 nm
Shading Units
1536
2048 ×2+33%
Compute (TFLOPS)
2.218 TFLOPS
4.096 TFLOPS ×2+85%
ROPs
64+100%
32 ×2
TMUs
96
128 ×2+33%
L1 Cache
576 KB+13%
512 KB
L2 Cache
2 MB+167%
0.75 MB

Advanced Features (DLSS/FSR)

FeatureGRID P4-8QRadeon HD 8990
Upscaling Tech
FSR 1.0 (Software)
FSR 1.0 (Software)
Frame Generation
Not Supported
Not Supported
Ray Reconstruction
No
No
Low Latency
Standard
AMD Anti-Lag
💾

Video Memory (VRAM)

The GRID P4-8Q comes with 4 GB of VRAM, while the Radeon HD 8990 has 3 GB. The GRID P4-8Q offers 33.3% more capacity, crucial for higher resolutions and texture-heavy games. Bus width: 128-bit vs 384-bit x2. L2 Cache: 2 MB (GRID P4-8Q) vs 0.75 MB (Radeon HD 8990) — the GRID P4-8Q has significantly larger on-die cache to reduce VRAM reliance.

FeatureGRID P4-8QRadeon HD 8990
VRAM Capacity
4 GB+33%
3 GB
Memory Type
GDDR6
GDDR5
Bus Width
128-bit
384-bit x2+200%
L2 Cache
2 MB+167%
0.75 MB
🔌

Power & Dimensions

The GRID P4-8Q draws 100W versus the Radeon HD 8990's 375W — a 115.8% difference. The GRID P4-8Q is more power-efficient. Recommended PSU: 350W (GRID P4-8Q) vs 750W (Radeon HD 8990). Power connectors: PCIe-powered vs 2x 8-pin.

FeatureGRID P4-8QRadeon HD 8990
TDP
100W-73%
375W
Recommended PSU
350W-53%
750W
Power Connector
PCIe-powered
2x 8-pin
Perf/Watt
52.8+280%
13.9
💰

Value Analysis

The GRID P4-8Q launched at $2000 MSRP and currently averages $200, while the Radeon HD 8990 launched at $999 and now averages $999. The GRID P4-8Q costs 80% less ($799 savings) at current market prices. Performance per dollar (G3D Mark / price): 26.4 (GRID P4-8Q) vs 5.2 (Radeon HD 8990) — the GRID P4-8Q offers 407.7% better value. The GRID P4-8Q is the newer GPU (2015 vs 2013).

FeatureGRID P4-8QRadeon HD 8990
MSRP
$2000
$999-50%
Avg Price (30d)
$200-80%
$999
Performance per Dollar
26.4+408%
5.2
Codename
GM204
Malta
Release
August 30 2015
April 24 2013
Ranking
#535
#412