Radeon HD 6450A vs Radeon HD 7400G

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 6450A vs Radeon HD 7400G 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 6450A vs Radeon HD 7400G: 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 6450A

2011

Why buy it

✅Competitive enough if your priority is price, power, or specific feature preference.

Trade-offs

❌Lower average FPS than Radeon HD 7400G across 50 tracked games in our benchmark data.
❌2011 hardware with 512 MB of VRAM is already well past its comfortable zone for modern gaming, so it is hard to recommend now.
❌
10% HIGHER MSRP
$55 MSRPvs$50 MSRP
❌Lower G3D Mark per dollar, at 4.7 vs 5.3 G3D/$ ($55 MSRP vs $50 MSRP).

Radeon HD 7400G

2025

Why buy it

✅37.6% more average FPS across 50 tracked games in our benchmark data.
✅Costs $5 less on MSRP ($50 MSRP vs $55 MSRP).
✅Delivers 13% more G3D Mark for each dollar spent, at 5.3 vs 4.7 G3D/$ ($50 MSRP vs $55 MSRP).
✅Better long-term bet: RDNA 3.0 (2022−2026) on 6nm gives it a newer hardware base for upcoming games.

Trade-offs

❌Fewer clear downsides in this head-to-head, aside from the usual pricing and availability swings.

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 37.6% in average FPS across 50 tracked games in our benchmark data and by 2.7% in PassMark G3D (267 vs 260), 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 40nm, 28 vs 0 ray-tracing units, and a newer 2025 generation instead of 2011. 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 $5 cheaper on MSRP at $50 vs $55, and it leads G3D-per-dollar by 13% (5.3 vs 4.7), so the value case lines up with the gaming result.

Radeon HD 6450A vs Radeon HD 7400G Technical Specifications

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

Radeon HD 6450A

The Radeon HD 6450A is manufactured by AMD. It was released in April 19 2011. It features the TeraScale 2 architecture. The core clock speed is 600 MHz. It has 480 shading units. The thermal design power (TDP) is 45W. Manufactured using 40 nm process technology. G3D Mark benchmark score: 260 points.

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.

⚡

Graphics Performance

The Radeon HD 6450A scores 260 and the Radeon HD 7400G reaches 267 in the G3D Mark benchmark — just a 2.7% difference, making them near-identical in rasterization performance. The Radeon HD 6450A is built on TeraScale 2 while the Radeon HD 7400G uses RDNA 3.0, both on 40 nm vs 6 nm. Shader units: 480 (Radeon HD 6450A) vs 1,792 (Radeon HD 7400G). Raw compute: 0.576 TFLOPS (Radeon HD 6450A) vs 16.49 TFLOPS (Radeon HD 7400G).

Feature	Radeon HD 6450A	Radeon HD 7400G
G3D Mark Score	260	267+3%
Architecture	TeraScale 2	RDNA 3.0
Process Node	40 nm	6 nm
Shading Units	480	1792+273%
Compute (TFLOPS)	0.576 TFLOPS	16.49 TFLOPS+2763%
ROPs	8	64+700%
TMUs	24	112+367%
L1 Cache	48 KB	512 KB+967%
L2 Cache	0.25 MB	2 MB+700%
Frame Generation	FSR upscaling	FSR upscaling + RSR

✨

Advanced Features (DLSS/FSR)

Feature	Radeon HD 6450A	Radeon HD 7400G
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

💾

Video Memory (VRAM)

Both cards ship with 512 MB of GDDR5. Memory bus width is 128-bit on the Radeon HD 6450A and 128-bit on the Radeon HD 7400G. L2 Cache: 0.25 MB (Radeon HD 6450A) vs 2 MB (Radeon HD 7400G) — the Radeon HD 7400G has significantly larger on-die cache to reduce VRAM reliance.

Feature	Radeon HD 6450A	Radeon HD 7400G
VRAM Capacity	0.5 GB	0.5 GB
Memory Type	GDDR5	GDDR5
Memory Bandwidth	Unknown	Unknown
Bus Width	128-bit	128-bit
L2 Cache	0.25 MB	2 MB+700%

🔌

Power & Dimensions

The Radeon HD 6450A draws 45W versus the Radeon HD 7400G's 43W — a 4.5% difference. The Radeon HD 7400G is more power-efficient. Recommended PSU: 350W (Radeon HD 6450A) vs 350W (Radeon HD 7400G). Power connectors: 1x 6-pin vs 1x 6-pin.

Feature	Radeon HD 6450A	Radeon HD 7400G
TDP	45W	43W-4%
Recommended PSU	350W	350W
Power Connector	1x 6-pin	1x 6-pin
Length	—	0mm
Height	—	0mm
Slots	—	0
Temp (Load)	—	75
Perf/Watt	5.8	6.2+7%

💰

Value Analysis

At launch, the Radeon HD 6450A came in at $55, while the Radeon HD 7400G launched at $50. On MSRP, Radeon HD 7400G was 9.1% cheaper ($5 less). Performance per dollar on MSRP (G3D Mark / MSRP): 4.7 (Radeon HD 6450A) vs 5.3 (Radeon HD 7400G) — the Radeon HD 7400G offers 12.8% better value. The newer card here is Radeon HD 7400G (2025 vs 2011).

Feature	Radeon HD 6450A	Radeon HD 7400G
MSRP	$55	$50-9%
Performance per Dollar	4.7	5.3+13%
Codename	Onega	Navi 33
Release	April 19 2011	August 8 2025
Ranking	#926	#229

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