Radeon HD 6990M
VS
GRID T4-1Q

Radeon HD 6990M vs GRID T4-1Q

AMD

Radeon HD 6990M

2011Core: 715 MHz
VS

GRID T4-1Q

2015Core: 557 MHzBoost: 1178 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. Components placed above yours deliver better value for money. The Radeon HD 6990M is positioned at rank 233 and the GRID T4-1Q is on rank 304, so the Radeon HD 6990M offers better cost-efficiency for playing games.

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 HD 6990M

#53
Radeon RX 6850M XT
MSRP: $800|Avg: $800
100%
#54
Radeon RX 6800S
MSRP: $800|Avg: $800
91%
#223
Radeon RX 550X (móvel)
MSRP: $35|Avg: $35
499%
#225
452%
#226
451%
#230
GeForce GTX 1050 (Mobile)
MSRP: N/A|Avg: $50
410%
#231
Radeon RX 6300
MSRP: $60|Avg: $40
407%
#233
Radeon HD 6990M
MSRP: N/A|Avg: N/A
100%
#235
Radeon RX 540
MSRP: $99|Avg: $40
99%
#236
Radeon HD 6750M
MSRP: N/A|Avg: $60
98%
#237
Radeon HD 7570M
MSRP: N/A|Avg: $15
97%
#239
GeForce MX570 A
MSRP: $300|Avg: $300
95%
#240
Arc Graphics 130T
MSRP: $300|Avg: $250
95%
#242
GeForce GT 645
MSRP: $99|Avg: $15
93%
Based on actual market prices and performance benchmarks.

Performance Per Dollar GRID T4-1Q

#116
Radeon Pro SSG
MSRP: $6999|Avg: $1500
89%
#289
Tesla K20m
MSRP: $3199|Avg: $55
8394%
#304
GRID T4-1Q
MSRP: $1880|Avg: $600
100%
#305
NVS 310
MSRP: $159|Avg: $10
98%
#306
GRID M60-2Q
MSRP: $3000|Avg: $150
98%
#307
FirePro 3D V3750
MSRP: $199|Avg: $25
97%
#309
NVS 810
MSRP: $700|Avg: $80
97%
#310
GRID P40-2Q
MSRP: $5699|Avg: $340
95%
#311
Quadro 2000D
MSRP: $599|Avg: $40
93%
#312
FirePro 3D V8800
MSRP: $1499|Avg: $30
93%
#313
Quadro K5000
MSRP: $2499|Avg: $60
91%
#314
Quadro 2000
MSRP: $599|Avg: $25
90%
#315
FirePro S7150
MSRP: $2399|Avg: $459
89%
#317
FirePro W9000
MSRP: $3999|Avg: $150
88%
#318
GRID M60-4Q
MSRP: $2500|Avg: $120
87%
#319
FirePro V8800
MSRP: $1499|Avg: $100
86%
Based on actual market prices and performance benchmarks.

Performance Comparison

About G3D Mark

🏆 Chipversus Verdict

🚀 Performance Leadership

The GRID T4-1Q is the superior choice for raw performance. It leads with a 1.2% higher G3D Mark score. This advantage makes it significantly better for higher resolutions (1440p/4K) and graphic-intensive titles compared to the Radeon HD 6990M.

InsightRadeon HD 6990MGRID T4-1Q
Performance
Lower raw frame rates (-1.2%)
Leading raw performance (+1.2%)
Longevity
🛑Obsolete Architecture (2011 / TeraScale 2 (2009−2015))
🛑Obsolete Architecture (2015 / Maxwell 2.0 (2014−2019))
Ecosystem
Supports FSR Upscaling
Supports FSR Upscaling
VRAM
❌ Less VRAM capacity
✅ More VRAM (+0%)
Efficiency
💡 Excellent Perf/Watt
⚡ Higher Power Consumption
Case Fit
📏 Compact / SFF Friendly

💎 Value Proposition

While current pricing data is unavailable, the GRID T4-1Q 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 Radeon HD 6990M and GRID T4-1Q

AMD

Radeon HD 6990M

The Radeon HD 6990M is manufactured by AMD. It was released in July 12 2011. It features the TeraScale 2 architecture. The core clock speed is 715 MHz. It has 1120 shading units. The thermal design power (TDP) is 100W. Manufactured using 40 nm process technology. G3D Mark benchmark score: 3,264 points.

NVIDIA

GRID T4-1Q

The GRID T4-1Q 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: 3,303 points.

Graphics Performance

The Radeon HD 6990M scores 3,264 and the GRID T4-1Q reaches 3,303 in the G3D Mark benchmark — just a 1.2% difference, making them near-identical in rasterization performance. The Radeon HD 6990M is built on TeraScale 2 while the GRID T4-1Q uses Maxwell 2.0, both on 40 nm vs 28 nm. Shader units: 1,120 (Radeon HD 6990M) vs 2,048 (GRID T4-1Q). Raw compute: 1.602 TFLOPS (Radeon HD 6990M) vs 4.825 TFLOPS (GRID T4-1Q).

FeatureRadeon HD 6990MGRID T4-1Q
G3D Mark Score
3,264
3,303+1%
Architecture
TeraScale 2
Maxwell 2.0
Process Node
40 nm
28 nm
Shading Units
1120
2048+83%
Compute (TFLOPS)
1.602 TFLOPS
4.825 TFLOPS+201%
ROPs
32
64+100%
TMUs
56
128+129%
L1 Cache
224 KB
768 KB+243%
L2 Cache
0.5 MB
2 MB+300%

Advanced Features (DLSS/FSR)

FeatureRadeon HD 6990MGRID T4-1Q
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)

Both cards feature 2 GB of video memory. Bus width: System vs 64-bit. L2 Cache: 0.5 MB (Radeon HD 6990M) vs 2 MB (GRID T4-1Q) — the GRID T4-1Q has significantly larger on-die cache to reduce VRAM reliance.

FeatureRadeon HD 6990MGRID T4-1Q
VRAM Capacity
2 GB
2 GB
Memory Type
Shared
GDDR5
Bus Width
System
64-bit
L2 Cache
0.5 MB
2 MB+300%
🔌

Power & Dimensions

The Radeon HD 6990M draws 100W versus the GRID T4-1Q's 225W — a 76.9% difference. The Radeon HD 6990M is more power-efficient. Recommended PSU: 350W (Radeon HD 6990M) vs 350W (GRID T4-1Q). Power connectors: 1x 6-pin vs PCIe-powered.

FeatureRadeon HD 6990MGRID T4-1Q
TDP
100W-56%
225W
Recommended PSU
350W
350W
Power Connector
1x 6-pin
PCIe-powered
Length
1mm
Slots
0
Perf/Watt
32.6+122%
14.7
💰

Value Analysis

The GRID T4-1Q is the newer GPU (2015 vs 2011).

FeatureRadeon HD 6990MGRID T4-1Q
MSRP
$1880
Avg Price (30d)
$600
Codename
Blackcomb
GM204
Release
July 12 2011
August 30 2015
Ranking
#691
#525