GeForce 8400 SE vs Radeon X1550

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.

GeForce 8400 SE vs Radeon X1550 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.

GeForce 8400 SE vs Radeon X1550: Pros, Cons & Final Verdict

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

GeForce 8400 SE

2014

Why buy it

✅1.0% more average FPS across 50 tracked games in our benchmark data.
✅Delivers 100+% more G3D Mark for each dollar spent, at 1.4 vs 0 G3D/$ ($50 MSRP vs Unknown MSRP).
✅Draws 33W instead of 50W, a 17W reduction.

Trade-offs

❌2014 hardware with 512 MB of VRAM is already well past its comfortable zone for modern gaming, so it is hard to recommend now.

Radeon X1550

2017

Why buy it

✅More future proof: GCN 4.0 (2016−2020) on 14nm with a newer platform for upcoming games.

Trade-offs

❌Lower average FPS than GeForce 8400 SE across 50 tracked games in our benchmark data.
❌2017 hardware with 512 MB of VRAM is already well past its comfortable zone for modern gaming, so it is hard to recommend now.
❌Lower G3D Mark per dollar, at 0 vs 1.4 G3D/$ (Unknown MSRP vs $50 MSRP).
❌51.5% higher power demand at 50W vs 33W.

Quick Answers

Which GPU is faster for gaming right now?

GeForce 8400 SE is the faster gaming card right now. In our data, it leads by 1.0% in average FPS across 50 tracked games in our benchmark data and by 1.5% in PassMark G3D (68 vs 67), so the answer here is pretty clean.

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

GeForce 8400 SE is the safer long-term pick for 2026 and beyond because it comes out ahead on the available hardware-headroom signals for this matchup.

Which GPU is the better buy today?

GeForce 8400 SE makes the most sense today based on the pricing and value data we have for this matchup.

GeForce 8400 SE vs Radeon X1550 Technical Specifications

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

GeForce 8400 SE

The GeForce 8400 SE is manufactured by NVIDIA. It was released in March 17 2014. It features the Maxwell architecture. The core clock ranges from 1029 MHz to 1124 MHz. It has 384 shading units. The thermal design power (TDP) is 33W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 68 points.

Radeon X1550

The Radeon X1550 is manufactured by AMD. It was released in April 20 2017. It features the GCN 4.0 architecture. The core clock ranges from 1100 MHz to 1183 MHz. It has 512 shading units. The thermal design power (TDP) is 50W. Manufactured using 14 nm process technology. G3D Mark benchmark score: 67 points. Launch price was $79.

⚡

Graphics Performance

The GeForce 8400 SE scores 68 and the Radeon X1550 reaches 67 in the G3D Mark benchmark — just a 1.5% difference, making them near-identical in rasterization performance. The GeForce 8400 SE is built on Maxwell while the Radeon X1550 uses GCN 4.0, both on 28 nm vs 14 nm. Shader units: 384 (GeForce 8400 SE) vs 512 (Radeon X1550). Raw compute: 0.8632 TFLOPS (GeForce 8400 SE) vs 1.211 TFLOPS (Radeon X1550). Boost clocks: 1124 MHz vs 1183 MHz.

Feature	GeForce 8400 SE	Radeon X1550
G3D Mark Score	68+1%	67
Architecture	Maxwell	GCN 4.0
Process Node	28 nm	14 nm
Shading Units	384	512+33%
Compute (TFLOPS)	0.8632 TFLOPS	1.211 TFLOPS+40%
Boost Clock	1124 MHz	1183 MHz+5%
ROPs	8	16+100%
TMUs	16	32+100%
L1 Cache	192 KB+50%	128 KB
L2 Cache	1 MB+300%	0.25 MB

✨

Advanced Features (DLSS/FSR)

The GeForce 8400 SE gets NVIDIA DLSS, which still tends to look cleaner in motion. The Radeon X1550 leans on FSR, which is flexible and widely supported, but usually a bit rougher at the same settings.

Feature	GeForce 8400 SE	Radeon X1550
Upscaling Tech	Upscaling support	FSR Upscaling / FSR 4
Frame Generation	Not Supported	Not Supported
Ray Reconstruction	No	No
Low Latency	NVIDIA Reflex	AMD Anti-Lag

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Video Memory (VRAM)

Both cards ship with 512 MB of GDDR5. Memory bus width is 128-bit on the GeForce 8400 SE and 64-bit on the Radeon X1550. L2 Cache: 1 MB (GeForce 8400 SE) vs 0.25 MB (Radeon X1550) — the GeForce 8400 SE has significantly larger on-die cache to reduce VRAM reliance.

Feature	GeForce 8400 SE	Radeon X1550
VRAM Capacity	0.5 GB	0.5 GB
Memory Type	GDDR5	GDDR5
Bus Width	128-bit+100%	64-bit
L2 Cache	1 MB+300%	0.25 MB

🖥️

Display & API Support

DirectX support: 11.1 (10_0) (GeForce 8400 SE) vs 9_0c (Radeon X1550). Maximum simultaneous displays: 2 vs 2.

Feature	GeForce 8400 SE	Radeon X1550
DirectX	11.1 (10_0)+23%	9_0c
Max Displays	2	2

🎬

Media & Encoding

Hardware encoder: None (GeForce 8400 SE) vs Avivo (Radeon X1550). Decoder: VP2 vs Avivo.

Feature	GeForce 8400 SE	Radeon X1550
Encoder	None	Avivo
Decoder	VP2	Avivo
Codecs	H.264,MPEG-2,VC-1	—

🔌

Power & Dimensions

The GeForce 8400 SE draws 33W versus the Radeon X1550's 50W — a 41% difference. The GeForce 8400 SE is more power-efficient. Recommended PSU: 350W (GeForce 8400 SE) vs 350W (Radeon X1550). Power connectors: Legacy vs PCIe-powered. Card length: 168mm vs 168mm, occupying 1 vs 1 slots.

Feature	GeForce 8400 SE	Radeon X1550
TDP	33W-34%	50W
Recommended PSU	350W	350W
Power Connector	Legacy	PCIe-powered
Length	168mm	168mm
Height	69mm	—
Slots	1	1
Temp (Load)	85	—
Perf/Watt	2.1+62%	1.3

💰

Value Analysis

At launch, the GeForce 8400 SE came in at $50, while the Radeon X1550 launched at $0. On MSRP, Radeon X1550 was 100+% cheaper ($50 less). Performance per dollar on MSRP (G3D Mark / MSRP): 1.4 (GeForce 8400 SE) vs Infinity (Radeon X1550) — the Radeon X1550 offers Infinity% better value. The newer card here is Radeon X1550 (2017 vs 2014).

Feature	GeForce 8400 SE	Radeon X1550
MSRP	$50	$0-100%
Performance per Dollar	1.4	Infinity
Codename	GM108	Lexa
Release	March 17 2014	April 20 2017
Ranking	#850	#668

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