Project Zomboid on Radeon HD 7850

Below minimumEstimate · low confidence, ±30%

No. The Radeon HD 7850 is below Project Zomboid's minimum spec. Our model still estimates ~32 fps at 1080p low (range 23–42, low confidence, ±30%), but cards below the minimum may not be supported. The cheapest current card for 60 fps at 1080p high is the Radeon RX 5600 XT (~68 fps). Model estimate, not measured; data updated 2026-09-24.

Estimated FPS by preset

Preset	1080p	1440p	4K
low	32	23	14
medium	25	17	10
high	19	13	8
ultra	15	11	6

Estimate · low confidence, ±30%

Estimated FPS from our model (v0), based on the game's published requirements and relative GPU/CPU performance. Not measured. Real results vary with drivers, patches, and scenes. Values above 300 fps show as 300+. Data updated 2026-09-24.

Best settings

60 fps at 1080p: not reachable
60 fps at 1440p: not reachable
144 fps at 1080p: not reachable

AMD card: use FSR in quality mode before dropping the preset (XeSS also works). DLSS is not available on Radeon.

What limits performance

Estimates above: GPU-limited, assuming a processor fast enough not to hold the Radeon HD 7850 back.
Processor needed for ~32 fps: Core i3-9100F or faster (slowest current desktop CPU our model expects to keep up).

Video memory

Radeon HD 7850: 2 GB
Minimum spec: 4 GB (2 GB short)

Cheapest upgrade for each target

1080p, 60 fps, High

Radeon RX 5600 XT

~68 fps vs 19 now (est.)

+258% GPU performance

1440p, 60 fps, High

Arc A770 8GB

~61 fps vs 13 now (est.)

+358% GPU performance

4K, 60 fps, High

GeForce RTX 3080 12GB

~60 fps vs 8 now (est.)

+650% GPU performance

Slowest current desktop card (2020+) that reaches each target in Project Zomboid; usually the cheapest.

Project Zomboid on popular graphics cards (high preset)

Graphics card	1080p	1440p	vs Radeon HD 7850
Radeon HD 7850	19	13	—
GeForce GTX 1650	32	22	+67%
GeForce GTX 1060 6GB	44	31	+133%
GeForce RTX 2060 6GB	66	46	+250%
Radeon RX 6600	73	51	+283%
GeForce RTX 3060 12GB	79	55	+317%
GeForce RTX 4060 Laptop GPU	82	57	+333%
Radeon RX 7600	92	64	+383%
GeForce RTX 4060	93	65	+392%
GeForce RTX 3070	109	76	+475%
GeForce RTX 4070	137	96	+625%
Radeon RX 7800 XT	153	107	+708%
GeForce RTX 5070	158	111	+733%
Radeon RX 9070 XT	205	144	+983%
GeForce RTX 4080	213	149	+1025%
GeForce RTX 5090	300+	238	+1692%