Quadro K620M vs Radeon HD 4850 X2

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.

Quadro K620M vs Radeon HD 4850 X2 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.

Quadro K620M vs Radeon HD 4850 X2: Pros, Cons & Final Verdict

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

Quadro K620M

2015

Why buy it

✅19.7% more average FPS across 50 tracked games in our benchmark data.
✅300% more VRAM for high-resolution textures and newer games (4 GB vs 1 GB).
✅Draws 30W instead of 250W, a 220W reduction.

Trade-offs

❌2015 hardware with 4 GB 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 2.8 G3D/$ (Unknown MSRP vs $399 MSRP).

Radeon HD 4850 X2

2008

Why buy it

✅Delivers 100+% more G3D Mark for each dollar spent, at 2.8 vs 0 G3D/$ ($399 MSRP vs Unknown MSRP).

Trade-offs

❌Lower average FPS than Quadro K620M across 50 tracked games in our benchmark data.
❌Less VRAM, with 1 GB vs 4 GB for high-resolution textures and newer games.
❌2008 hardware with 1 GB of VRAM is already well past its comfortable zone for modern gaming, so it is hard to recommend now.
❌733.3% higher power demand at 250W vs 30W.

Quick Answers

Which GPU is faster for gaming right now?

Quadro K620M is the faster gaming card right now. In our data, it leads by 19.7% in average FPS across 50 tracked games in our benchmark data and by 2.4% in PassMark G3D (1,159 vs 1,132), so the answer here is pretty clean.

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

Quadro K620M is the safer long-term pick for 2026 and beyond. The case is simple: 4 GB vs 1 GB of VRAM, a 28nm process instead of 55nm, and a newer 2015 generation instead of 2008. That gives it more room for heavier textures and higher settings over time.

Which GPU is the better buy today?

Radeon HD 4850 X2 makes the most sense today based on the pricing and value data we have for this matchup. If you are mainly targeting 1080p and some 1440p, Radeon HD 4850 X2 is the easier value choice. If you care more about 1080p and some 1440p headroom, Quadro K620M has the stronger long-term case.

Quadro K620M vs Radeon HD 4850 X2 Technical Specifications

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

Quadro K620M

The Quadro K620M is manufactured by NVIDIA. It was released in March 1 2015. 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 30W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 1,159 points.

Radeon HD 4850 X2

The Radeon HD 4850 X2 is manufactured by AMD. It was released in November 7 2008. It features the TeraScale architecture. The core clock speed is 625 MHz. It has 800 ×2 shading units. The thermal design power (TDP) is 250W. Manufactured using 55 nm process technology. G3D Mark benchmark score: 1,132 points. Launch price was $420.

⚡

Graphics Performance

The Quadro K620M scores 1,159 and the Radeon HD 4850 X2 reaches 1,132 in the G3D Mark benchmark — just a 2.4% difference, making them near-identical in rasterization performance. The Quadro K620M is built on Maxwell while the Radeon HD 4850 X2 uses TeraScale, both on 28 nm vs 55 nm. Shader units: 384 (Quadro K620M) vs 800 (Radeon HD 4850 X2). Raw compute: 0.8632 TFLOPS (Quadro K620M) vs 1 TFLOPS ×2 (Radeon HD 4850 X2).

Feature	Quadro K620M	Radeon HD 4850 X2
G3D Mark Score	1,159+2%	1,132
Architecture	Maxwell	TeraScale
Process Node	28 nm	55 nm
Shading Units	384	800 ×2+108%
Compute (TFLOPS)	0.8632 TFLOPS	1 TFLOPS ×2+16%
ROPs	8	16 ×2+100%
TMUs	16	40 ×2+150%
L1 Cache	128 KB	160 KB+25%
L2 Cache	1 MB+300%	0.25 MB

✨

Advanced Features (DLSS/FSR)

Feature	Quadro K620M	Radeon HD 4850 X2
Upscaling Tech	Upscaling support	FSR Upscaling / FSR 4
Frame Generation	Not Supported	Not Supported
Ray Reconstruction	No	No
Low Latency	Standard	AMD Anti-Lag

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Video Memory (VRAM)

The Quadro K620M has 4 GB of VRAM, while the Radeon HD 4850 X2 carries 1 GB. Quadro K620M 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 Quadro K620M and 64-bit on the Radeon HD 4850 X2. L2 Cache: 1 MB (Quadro K620M) vs 0.25 MB (Radeon HD 4850 X2) — the Quadro K620M has significantly larger on-die cache to reduce VRAM reliance.

Feature	Quadro K620M	Radeon HD 4850 X2
VRAM Capacity	4 GB+300%	1 GB
Memory Type	GDDR5	GDDR5
Bus Width	64-bit	64-bit
L2 Cache	1 MB+300%	0.25 MB

🔌

Power & Dimensions

The Quadro K620M draws 30W versus the Radeon HD 4850 X2's 250W — a 157.1% difference. The Quadro K620M is more power-efficient. Recommended PSU: 350W (Quadro K620M) vs 500W (Radeon HD 4850 X2). Power connectors: PCIe-powered vs 1x 6-pin + 1x 8-pin.

Feature	Quadro K620M	Radeon HD 4850 X2
TDP	30W-88%	250W
Recommended PSU	350W-30%	500W
Power Connector	PCIe-powered	1x 6-pin + 1x 8-pin
Length	—	267mm
Height	—	111mm
Slots	—	2
Temp (Load)	—	95
Perf/Watt	38.6+758%	4.5

💰

Value Analysis

The newer card here is Quadro K620M (2015 vs 2008).

Feature	Quadro K620M	Radeon HD 4850 X2
MSRP	—	$399
Codename	GM108	R700
Release	March 1 2015	November 7 2008
Ranking	#842	#848

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