Radeon 540X vs Radeon HD 4890

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 540X vs Radeon HD 4890 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 540X vs Radeon HD 4890: 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 540X

2018

Why buy it

✅17.0% more average FPS across 50 tracked games in our benchmark data.
✅Costs $150 less on MSRP ($99 MSRP vs $249 MSRP).
✅Delivers 158.3% more G3D Mark for each dollar spent, at 16.0 vs 6.2 G3D/$ ($99 MSRP vs $249 MSRP).
✅Radeon HD 4890 is already obsolete for modern gaming, so Radeon 540X is the less risky modern option long term.
✅Draws 50W instead of 190W, a 140W reduction.

Trade-offs

❌Less VRAM, with 512 MB vs 2 GB for high-resolution textures and newer games.
❌2018 hardware with 512 MB of VRAM already sits in legacy territory for modern games.

Radeon HD 4890

2009

Why buy it

✅300% more VRAM for high-resolution textures and newer games (2 GB vs 512 MB).

Trade-offs

❌Lower average FPS than Radeon 540X across 50 tracked games in our benchmark data.
❌2009 hardware with 2 GB of VRAM is already well past its comfortable zone for modern gaming, so it is hard to recommend now.
❌
151.5% HIGHER MSRP
$249 MSRPvs$99 MSRP
❌Lower G3D Mark per dollar, at 6.2 vs 16.0 G3D/$ ($249 MSRP vs $99 MSRP).
❌280% higher power demand at 190W vs 50W.

Quick Answers

Which GPU is faster for gaming right now?

Radeon 540X is the faster gaming card right now. In our data, it leads by 17.0% in average FPS across 50 tracked games in our benchmark data and by 2.7% in PassMark G3D (1,588 vs 1,546), so the answer here is pretty clean.

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

Radeon 540X is the safer long-term pick for 2026 and beyond. The case is simple: a 14nm process instead of 55nm and a newer 2018 generation instead of 2009. That makes it the less risky pick as game demands keep moving.

Which GPU is the better buy today?

Radeon 540X makes the most sense to buy today. It is $150 cheaper on MSRP at $99 vs $249, and it leads G3D-per-dollar by 158.3% (16.0 vs 6.2), so the value case lines up with the gaming result.

Radeon 540X vs Radeon HD 4890 Technical Specifications

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

Radeon 540X

The Radeon 540X is manufactured by AMD. It was released in September 5 2018. It features the GCN 4.0 architecture. The core clock ranges from 980 MHz to 1046 MHz. It has 512 shading units. The thermal design power (TDP) is 50W. Manufactured using 14 nm process technology. G3D Mark benchmark score: 1,588 points.

Radeon HD 4890

The Radeon HD 4890 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: 1,546 points. Launch price was $249.

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Graphics Performance

The Radeon 540X scores 1,588 and the Radeon HD 4890 reaches 1,546 in the G3D Mark benchmark — just a 2.7% difference, making them near-identical in rasterization performance. The Radeon 540X is built on GCN 4.0 while the Radeon HD 4890 uses TeraScale, both on 14 nm vs 55 nm. Shader units: 512 (Radeon 540X) vs 800 (Radeon HD 4890). Raw compute: 1.071 TFLOPS (Radeon 540X) vs 1.36 TFLOPS (Radeon HD 4890).

Feature	Radeon 540X	Radeon HD 4890
G3D Mark Score	1,588+3%	1,546
Architecture	GCN 4.0	TeraScale
Process Node	14 nm	55 nm
Shading Units	512	800+56%
Compute (TFLOPS)	1.071 TFLOPS	1.36 TFLOPS+27%
ROPs	16	16
TMUs	32	40+25%
L1 Cache	128 KB	160 KB+25%
L2 Cache	512 KB+100%	256 KB
Frame Generation	FSR upscaling	FSR upscaling

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Advanced Features (DLSS/FSR)

Feature	Radeon 540X	Radeon HD 4890
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 540X has 512 MB of VRAM, while the Radeon HD 4890 carries 2 GB. Radeon HD 4890 gives you 300% more memory capacity, which matters more once you move into heavier textures, mods, or higher resolutions. Memory bus width is 64-bit on the Radeon 540X and 64-bit on the Radeon HD 4890. L2 Cache: 512 KB (Radeon 540X) vs 256 KB (Radeon HD 4890) — the Radeon 540X has significantly larger on-die cache to reduce VRAM reliance.

Feature	Radeon 540X	Radeon HD 4890
VRAM Capacity	0.5 GB	2 GB+300%
Memory Type	GDDR5	GDDR5
Bus Width	64-bit	64-bit
L2 Cache	512 KB+100%	256 KB

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Media & Encoding

Supported codecs: H.264,MPEG-2,MPEG-4,VC-1 (Radeon 540X) vs H.264 (Radeon HD 4890).

Feature	Radeon 540X	Radeon HD 4890
Encoder	UVD	—
Decoder	VCE	—
Codecs	H.264,MPEG-2,MPEG-4,VC-1	H.264

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Power & Dimensions

The Radeon 540X draws 50W versus the Radeon HD 4890's 190W — a 116.7% difference. The Radeon 540X is more power-efficient. Recommended PSU: 350W (Radeon 540X) vs 500W (Radeon HD 4890). Power connectors: PCIe-powered vs 2x 6-pin.

Feature	Radeon 540X	Radeon HD 4890
TDP	50W-74%	190W
Recommended PSU	350W-30%	500W
Power Connector	PCIe-powered	2x 6-pin
Length	0mm	—
Height	0mm	—
Slots	0	—
Temp (Load)	75°C	—
Perf/Watt	31.8+293%	8.1

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Value Analysis

At launch, the Radeon 540X came in at $99, while the Radeon HD 4890 launched at $249. On MSRP, Radeon 540X was 60.2% cheaper ($150 less). Performance per dollar on MSRP (G3D Mark / MSRP): 16.0 (Radeon 540X) vs 6.2 (Radeon HD 4890) — the Radeon 540X offers 158.1% better value. The newer card here is Radeon 540X (2018 vs 2009).

Feature	Radeon 540X	Radeon HD 4890
MSRP	$99-60%	$249
Performance per Dollar	16.0+158%	6.2
Codename	Lexa	RV790
Release	September 5 2018	April 2 2009
Ranking	#754	#762

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