GeForce GT 645 vs Radeon R9 350

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 GT 645 vs Radeon R9 350 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 GT 645 vs Radeon R9 350: 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 GT 645

2012

Why buy it

✅Draws 32W instead of 300W, a 268W reduction.
✅Measures 145mm instead of 168mm, a 23mm shorter card that is more SFF-friendly.

Trade-offs

❌Lower average FPS than Radeon R9 350 across 50 tracked games in our benchmark data.
❌2012 hardware with 2 GB of VRAM is already well past its comfortable zone for modern gaming, so it is hard to recommend now.

Radeon R9 350

2015

Why buy it

✅211.1% more average FPS across 50 tracked games in our benchmark data.
✅More future proof: GCN 2.0 (2013−2017) on 28nm with a newer platform for upcoming games.

Trade-offs

❌2015 hardware with 2 GB of VRAM is already well past its comfortable zone for modern gaming, so it is hard to recommend now.
❌837.5% higher power demand at 300W vs 32W.
❌15.9% longer card at 168mm vs 145mm.

Quick Answers

Which GPU is faster for gaming right now?

Radeon R9 350 is the faster gaming card right now. In our data, it leads by 211.1% in average FPS across 50 tracked games in our benchmark data. PassMark G3D leans toward GeForce GT 645 instead at 2,006 vs 1,998, so for this question the real-game FPS result matters more than the synthetic split.

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

GeForce GT 645 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 GT 645 makes the most sense to buy today. It is priced the same on MSRP at $99 vs $99, and it leads G3D-per-dollar by 0.4% (20.3 vs 20.2), which is enough to swing the recommendation its way. Radeon R9 350 still makes more sense if max raw gaming performance matters more than value.

GeForce GT 645 vs Radeon R9 350 Technical Specifications

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

GeForce GT 645

The GeForce GT 645 is manufactured by NVIDIA. It was released in October 1 2012. It features the Kepler architecture. The core clock speed is Up to 710 MHz. It has 384 shading units. The thermal design power (TDP) is 32W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 2,006 points.

Radeon R9 350

The Radeon R9 350 is manufactured by AMD. It was released in June 18 2015. It features the GCN 2.0 architecture. The boost clock speed is 1000 MHz. It has 2560 shading units. The thermal design power (TDP) is 300W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 1,998 points. Launch price was $329.

⚡

Graphics Performance

The GeForce GT 645 scores 2,006 and the Radeon R9 350 reaches 1,998 in the G3D Mark benchmark — just a 0.4% difference, making them near-identical in rasterization performance. The GeForce GT 645 is built on Kepler while the Radeon R9 350 uses GCN 2.0, both on a 28 nm process. Shader units: 384 (GeForce GT 645) vs 2,560 (Radeon R9 350). Raw compute: 0.5445 TFLOPS (GeForce GT 645) vs 5.12 TFLOPS (Radeon R9 350).

Feature	GeForce GT 645	Radeon R9 350
G3D Mark Score	2,006	1,998
Architecture	Kepler	GCN 2.0
Process Node	28 nm	28 nm
Shading Units	384	2560+567%
Compute (TFLOPS)	0.5445 TFLOPS	5.12 TFLOPS+840%
ROPs	16	64+300%
TMUs	32	160+400%
L1 Cache	32 KB	640 KB+1900%
L2 Cache	0.25 MB	1 MB+300%

✨

Advanced Features (DLSS/FSR)

The GeForce GT 645 gets NVIDIA DLSS, which still tends to look cleaner in motion. The Radeon R9 350 leans on FSR, which is flexible and widely supported, but usually a bit rougher at the same settings.

Feature	GeForce GT 645	Radeon R9 350
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

💾

Video Memory (VRAM)

Both cards ship with 2 GB of GDDR5. Memory bus width is 128-bit on the GeForce GT 645 and 128-bit on the Radeon R9 350. L2 Cache: 0.25 MB (GeForce GT 645) vs 1 MB (Radeon R9 350) — the Radeon R9 350 has significantly larger on-die cache to reduce VRAM reliance.

Feature	GeForce GT 645	Radeon R9 350
VRAM Capacity	2 GB	2 GB
Memory Type	GDDR5	GDDR5
Memory Bandwidth	Unknown	Unknown
Bus Width	128-bit	128-bit
L2 Cache	0.25 MB	1 MB+300%

🖥️

Display & API Support

DirectX support: 12 (11_0) (GeForce GT 645) vs 12_0 (Radeon R9 350). Maximum simultaneous displays: 3 vs 4.

Feature	GeForce GT 645	Radeon R9 350
DirectX	12 (11_0)	12_0
Max Displays	3	4+33%

🎬

Media & Encoding

Hardware encoder: NVENC (1st Gen) (GeForce GT 645) vs VCE 1.0 (Radeon R9 350). Decoder: NVDEC (1st Gen) vs UVD 3.1.

Feature	GeForce GT 645	Radeon R9 350
Encoder	NVENC (1st Gen)	VCE 1.0
Decoder	NVDEC (1st Gen)	UVD 3.1
Codecs	H.264,MPEG-2,VC-1	—

🔌

Power & Dimensions

The GeForce GT 645 draws 32W versus the Radeon R9 350's 300W — a 161.4% difference. The GeForce GT 645 is more power-efficient. Recommended PSU: 350W (GeForce GT 645) vs 300W (Radeon R9 350). Power connectors: PCIe-powered vs None. Card length: 145mm vs 168mm, occupying 1 vs 1 slots.

Feature	GeForce GT 645	Radeon R9 350
TDP	32W-89%	300W
Recommended PSU	350W	300W-14%
Power Connector	PCIe-powered	None
Length	145mm	168mm
Height	111mm	—
Slots	1	1
Temp (Load)	80	—
Perf/Watt	62.7+836%	6.7

💰

Value Analysis

At launch, the GeForce GT 645 came in at $99, while the Radeon R9 350 launched at $99. Performance per dollar on MSRP (G3D Mark / MSRP): 20.3 (GeForce GT 645) vs 20.2 (Radeon R9 350) — the GeForce GT 645 offers 0.5% better value. The newer card here is Radeon R9 350 (2015 vs 2012).

Feature	GeForce GT 645	Radeon R9 350
MSRP	$99	$99
Performance per Dollar	20.3	20.2
Codename	GK107	Grenada
Release	October 1 2012	June 18 2015
Ranking	#903	#296

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