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 7400G vs Radeon HD 8490 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 7400G vs Radeon HD 8490: 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 7400G

2025

Why buy it

✅19.5% more average FPS across 50 tracked games in our benchmark data.
✅Costs $49 less on MSRP ($50 MSRP vs $99 MSRP).
✅Delivers 101% more G3D Mark for each dollar spent, at 5.3 vs 2.7 G3D/$ ($50 MSRP vs $99 MSRP).
✅Better long-term bet: RDNA 3.0 (2022−2026) on 6nm gives it a newer hardware base for upcoming games.
✅Draws 43W instead of 190W, a 147W reduction.

Trade-offs

❌Less VRAM, with 512 MB vs 1 GB for high-resolution textures and newer games.

Radeon HD 8490

2009

Why buy it

✅100% more VRAM for high-resolution textures and newer games (1 GB vs 512 MB).

Trade-offs

❌Lower average FPS than Radeon HD 7400G across 50 tracked games in our benchmark data.
❌2009 hardware with 1 GB of VRAM is already well past its comfortable zone for modern gaming, so it is hard to recommend now.
❌
98% HIGHER MSRP
$99 MSRPvs$50 MSRP
❌Lower G3D Mark per dollar, at 2.7 vs 5.3 G3D/$ ($99 MSRP vs $50 MSRP).
❌341.9% higher power demand at 190W vs 43W.

Quick Answers

Which GPU is faster for gaming right now?

Radeon HD 7400G is the faster gaming card right now. In our data, it leads by 19.5% in average FPS across 50 tracked games in our benchmark data and by 1.5% in PassMark G3D (267 vs 263), so the answer here is pretty clean.

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

Radeon HD 7400G is the safer long-term pick for 2026 and beyond. The case is simple: a 6nm process instead of 55nm, 28 vs 0 ray-tracing units, and a newer 2025 generation instead of 2009. That gives it the more rounded hardware package for newer games.

Which GPU is the better buy today?

Radeon HD 7400G makes the most sense to buy today. It is $49 cheaper on MSRP at $50 vs $99, and it leads G3D-per-dollar by 101% (5.3 vs 2.7), so the value case lines up with the gaming result.

Radeon HD 7400G vs Radeon HD 8490 Technical Specifications

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

Radeon HD 7400G

The Radeon HD 7400G is manufactured by AMD. It was released in August 8 2025. It features the RDNA 3.0 architecture. The core clock ranges from 1452 MHz to 2300 MHz. It has 1792 shading units. The thermal design power (TDP) is 43W. Manufactured using 6 nm process technology. It features 28 dedicated ray tracing cores for enhanced lighting effects. G3D Mark benchmark score: 267 points.

Radeon HD 8490

The Radeon HD 8490 is manufactured by AMD. It was released in April 2 2009. It features the TeraScale architecture. The core clock speed is 850 MHz. It has 800 shading units. The thermal design power (TDP) is 190W. Manufactured using 55 nm process technology. G3D Mark benchmark score: 263 points. Launch price was $249.

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Graphics Performance

The Radeon HD 7400G scores 267 and the Radeon HD 8490 reaches 263 in the G3D Mark benchmark — just a 1.5% difference, making them near-identical in rasterization performance. The Radeon HD 7400G is built on RDNA 3.0 while the Radeon HD 8490 uses TeraScale, both on 6 nm vs 55 nm. Shader units: 1,792 (Radeon HD 7400G) vs 800 (Radeon HD 8490). Raw compute: 16.49 TFLOPS (Radeon HD 7400G) vs 1.36 TFLOPS (Radeon HD 8490).

Feature	Radeon HD 7400G	Radeon HD 8490
G3D Mark Score	267+2%	263
Architecture	RDNA 3.0	TeraScale
Process Node	6 nm	55 nm
Shading Units	1792+124%	800
Compute (TFLOPS)	16.49 TFLOPS+1112%	1.36 TFLOPS
ROPs	64+300%	16
TMUs	112+180%	40
L1 Cache	512 KB+220%	160 KB
L2 Cache	2 MB+700%	0.25 MB
Frame Generation	FSR upscaling + RSR	FSR upscaling

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Advanced Features (DLSS/FSR)

Feature	Radeon HD 7400G	Radeon HD 8490
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 7400G has 512 MB of VRAM, while the Radeon HD 8490 carries 1 GB. Radeon HD 8490 gives you 100% more memory capacity, which matters more once you move into heavier textures, mods, or higher resolutions. Memory bus width is 128-bit on the Radeon HD 7400G and 64-bit on the Radeon HD 8490. L2 Cache: 2 MB (Radeon HD 7400G) vs 0.25 MB (Radeon HD 8490) — the Radeon HD 7400G has significantly larger on-die cache to reduce VRAM reliance.

Feature	Radeon HD 7400G	Radeon HD 8490
VRAM Capacity	0.5 GB	1 GB+100%
Memory Type	GDDR5	GDDR5
Memory Bandwidth	Unknown	Unknown
Bus Width	128-bit+100%	64-bit
L2 Cache	2 MB+700%	0.25 MB

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Display & API Support

DirectX support: 11.2 (11_0) (Radeon HD 7400G) vs 11.2 (Radeon HD 8490). OpenGL: 4.4 vs 4.4. Maximum simultaneous displays: 2 vs 2.

Feature	Radeon HD 7400G	Radeon HD 8490
DirectX	11.2 (11_0)	11.2
OpenGL	4.4	4.4
Max Displays	2	2

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Media & Encoding

Hardware encoder: None (Radeon HD 7400G) vs UVD 3.1 (Radeon HD 8490). Decoder: UVD 3.0 vs UVD 3.1. Supported codecs: H.264,VC-1,MPEG-2,MPEG-4,MVC (Radeon HD 7400G) vs H.264,MPEG-2,VC-1 (Radeon HD 8490).

Feature	Radeon HD 7400G	Radeon HD 8490
Encoder	None	UVD 3.1
Decoder	UVD 3.0	UVD 3.1
Codecs	H.264,VC-1,MPEG-2,MPEG-4,MVC	H.264,MPEG-2,VC-1

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Power & Dimensions

The Radeon HD 7400G draws 43W versus the Radeon HD 8490's 190W — a 126.2% difference. The Radeon HD 7400G is more power-efficient. Recommended PSU: 350W (Radeon HD 7400G) vs 350W (Radeon HD 8490). Power connectors: 1x 6-pin vs 1x 6-pin. Card length: 0mm vs 168mm, occupying 0 vs 1 slots.

Feature	Radeon HD 7400G	Radeon HD 8490
TDP	43W-77%	190W
Recommended PSU	350W	350W
Power Connector	1x 6-pin	1x 6-pin
Length	0mm	168mm
Height	0mm	—
Slots	0-100%	1
Temp (Load)	75	—
Perf/Watt	6.2+343%	1.4

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Value Analysis

At launch, the Radeon HD 7400G came in at $50, while the Radeon HD 8490 launched at $99. On MSRP, Radeon HD 7400G was 49.5% cheaper ($49 less). Performance per dollar on MSRP (G3D Mark / MSRP): 5.3 (Radeon HD 7400G) vs 2.7 (Radeon HD 8490) — the Radeon HD 7400G offers 96.3% better value. The newer card here is Radeon HD 7400G (2025 vs 2009).

Feature	Radeon HD 7400G	Radeon HD 8490
MSRP	$50-49%	$99
Performance per Dollar	5.3+96%	2.7
Codename	Navi 33	RV790
Release	August 8 2025	April 2 2009
Ranking	#229	#762

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