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.

Radeon HD 6970M Crossfire vs Radeon HD 7990 FPS Benchmarks

Predicted gaming performance across popular games. Tested paired with Ryzen 7 9800X3D to isolate GPU performance.

Search any supported game below to compare 1080p FPS for both components.

Radeon HD 6970M Crossfire vs Radeon HD 7990: Pros, Cons & Final Verdict

See where each GPU makes more sense in practice: raw FPS, VRAM, features, power draw, pricing, and long-term headroom.

Radeon HD 6970M Crossfire

2011

Why buy it

✅Costs $849 less on MSRP ($150 MSRP vs $999 MSRP).
✅Delivers 574.5% more G3D Mark for each dollar spent, at 37.6 vs 5.6 G3D/$ ($150 MSRP vs $999 MSRP).
✅33.3% more VRAM for high-resolution textures and newer games (4 GB vs 3 GB).
✅Draws 50W instead of 375W, a 325W reduction.
✅Measures 1mm instead of 305mm, a 304mm shorter card that is more SFF-friendly.

Trade-offs

❌Lower average FPS than Radeon HD 7990 across 50 tracked games in our benchmark data.
❌2011 hardware with 4 GB of VRAM is already well past its comfortable zone for modern gaming, so it is hard to recommend now.

Radeon HD 7990

2013

Why buy it

✅53.9% more average FPS across 50 tracked games in our benchmark data.
✅More future proof: GCN 1.0 (2012−2020) on 28nm with a newer platform for upcoming games.

Trade-offs

❌Less VRAM, with 3 GB vs 4 GB for high-resolution textures and newer games.
❌2013 hardware with 3 GB of VRAM is already well past its comfortable zone for modern gaming, so it is hard to recommend now.
❌
566% HIGHER MSRP
$999 MSRPvs$150 MSRP
❌Lower G3D Mark per dollar, at 5.6 vs 37.6 G3D/$ ($999 MSRP vs $150 MSRP).
❌650% higher power demand at 375W vs 50W.

Quick Answers

Which GPU is faster for gaming right now?

Radeon HD 7990 is the faster gaming card right now. In our data, it leads by 53.9% in average FPS across 50 tracked games in our benchmark data. PassMark G3D leans toward Radeon HD 6970M Crossfire instead at 5,637 vs 5,566, so for this question the real-game FPS result matters more than the synthetic split.

Which GPU is the safer long-term pick for 2026 and beyond?

Radeon HD 6970M Crossfire is the safer long-term pick for 2026 and beyond. The case is simple: 4 GB vs 3 GB of VRAM. That gives it more room for heavier textures and higher settings over time.

Which GPU is the better buy today?

Radeon HD 6970M Crossfire makes the most sense to buy today. It is $849 cheaper on MSRP at $150 vs $999, and it leads G3D-per-dollar by 574.5% (37.6 vs 5.6), which is enough to swing the recommendation its way. Radeon HD 7990 still makes more sense if max raw gaming performance matters more than value.

Radeon HD 6970M Crossfire vs Radeon HD 7990 Technical Specifications

Side-by-side specs, architecture details, clocks, memory, power, and platform differences.

Radeon HD 6970M Crossfire

The Radeon HD 6970M Crossfire is manufactured by AMD. It was released in January 6 2011. It features the Terascale 2 architecture. The core clock speed is 680 MHz. It has 1920 shading units. The thermal design power (TDP) is 50W. Manufactured using 40 nm process technology. G3D Mark benchmark score: 5,637 points.

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.

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Graphics Performance

The Radeon HD 6970M Crossfire scores 5,637 and the Radeon HD 7990 reaches 5,566 in the G3D Mark benchmark — just a 1.3% difference, making them near-identical in rasterization performance. The Radeon HD 6970M Crossfire is built on Terascale 2 while the Radeon HD 7990 uses GCN 1.0, both on 40 nm vs 28 nm. Shader units: 1,920 (Radeon HD 6970M Crossfire) vs 2,048 (Radeon HD 7990).

Feature	Radeon HD 6970M Crossfire	Radeon HD 7990
G3D Mark Score	5,637+1%	5,566
Architecture	Terascale 2	GCN 1.0
Process Node	40 nm	28 nm
Shading Units	1920	2048 ×2+7%
Frame Generation	FSR upscaling	FSR upscaling

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Advanced Features (DLSS/FSR)

Feature	Radeon HD 6970M Crossfire	Radeon HD 7990
Upscaling Tech	FSR Upscaling / FSR 4	FSR Upscaling / FSR 4
Frame Generation	Not Supported	Not Supported
Ray Reconstruction	No	No
Low Latency	AMD Anti-Lag	AMD Anti-Lag

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Video Memory (VRAM)

The Radeon HD 6970M Crossfire has 4 GB of VRAM, while the Radeon HD 7990 carries 3 GB. Radeon HD 6970M Crossfire gives you 33.3% more memory capacity, which matters more once you move into heavier textures, mods, or higher resolutions. Memory bandwidth: 115.2 GB/s x2 (Radeon HD 6970M Crossfire) vs 288 GB/s x2 (Radeon HD 7990) — a 2401.3% advantage for the Radeon HD 7990. Memory bus width is 256-bit x2 on the Radeon HD 6970M Crossfire and 384-bit x2 on the Radeon HD 7990.

Feature	Radeon HD 6970M Crossfire	Radeon HD 7990
VRAM Capacity	4 GB+33%	3 GB
Memory Type	GDDR5	GDDR5
Memory Bandwidth	115.2 GB/s x2	288 GB/s x2+150%
Bus Width	256-bit x2	384-bit x2+50%

🖥️

Display & API Support

DirectX support: 11_0 (Radeon HD 6970M Crossfire) vs 12 (11_1) (Radeon HD 7990). Maximum simultaneous displays: 0 vs 5.

Feature	Radeon HD 6970M Crossfire	Radeon HD 7990
DirectX	11_0	12 (11_1)+9%
Max Displays	0	5

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Media & Encoding

Hardware encoder: UVD 3 (Radeon HD 6970M Crossfire) vs VCE 1.0 (Radeon HD 7990). Decoder: UVD 3 vs UVD 3.2.

Feature	Radeon HD 6970M Crossfire	Radeon HD 7990
Encoder	UVD 3	VCE 1.0
Decoder	UVD 3	UVD 3.2
Codecs	—	H.264,MPEG-2,VC-1

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Power & Dimensions

The Radeon HD 6970M Crossfire draws 50W versus the Radeon HD 7990's 375W — a 152.9% difference. The Radeon HD 6970M Crossfire is more power-efficient. Recommended PSU: 350W (Radeon HD 6970M Crossfire) vs 750W (Radeon HD 7990). Power connectors: 1x 6-pin vs 2x 8-pin. Card length: 1mm vs 305mm, occupying 0 vs 2 slots.

Feature	Radeon HD 6970M Crossfire	Radeon HD 7990
TDP	50W-87%	375W
Recommended PSU	350W-53%	750W
Power Connector	1x 6-pin	2x 8-pin
Length	1mm	305mm
Height	—	111mm
Slots	0-100%	2
Temp (Load)	—	85
Perf/Watt	112.7+661%	14.8

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Value Analysis

At launch, the Radeon HD 6970M Crossfire came in at $150, while the Radeon HD 7990 launched at $999. On MSRP, Radeon HD 6970M Crossfire was 85% cheaper ($849 less). Performance per dollar on MSRP (G3D Mark / MSRP): 37.6 (Radeon HD 6970M Crossfire) vs 5.6 (Radeon HD 7990) — the Radeon HD 6970M Crossfire offers 571.4% better value. The newer card here is Radeon HD 7990 (2013 vs 2011).

Feature	Radeon HD 6970M Crossfire	Radeon HD 7990
MSRP	$150-85%	$999
Performance per Dollar	37.6+571%	5.6
Codename	Blackcomb XT	Malta
Release	January 6 2011	April 24 2013
Ranking	#537	#412

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