GeForce GTX 645 vs Radeon Pro WX 2100

CPU

GPU

GeForce GTX 645

2010Core: 607 MHz

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Radeon Pro WX 2100

2017Core: 925 MHzBoost: 1219 MHz

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GeForce GTX 645 vs Radeon Pro WX 2100 Performance Spectrum

GeForce GTX 645

1 GB 200

1,880

+0.5%

GeForce GTX 780 Rev. 2

1,871

0.0%

Radeon HD 6750

Radeon HD 8670D + HD 6670 Dual

Radeon RX 9060 XT 16GB

About G3D Mark

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 GTX 645 vs Radeon Pro WX 2100 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 GTX 645 vs Radeon Pro WX 2100: 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 GTX 645

2010

Why buy it

✅76.3% more average FPS across 50 tracked games in our benchmark data.
✅Measures 147mm instead of 168mm, a 21mm shorter card that is more SFF-friendly.

Trade-offs

❌Less VRAM, with 1 GB vs 2 GB for high-resolution textures and newer games.
❌2010 hardware with 1 GB of VRAM is already well past its comfortable zone for modern gaming, so it is hard to recommend now.
❌
0.7% HIGHER MSRP
$150 MSRPvs$149 MSRP
❌471.4% higher power demand at 200W vs 35W.

Radeon Pro WX 2100

2017

Why buy it

✅Costs $1 less on MSRP ($149 MSRP vs $150 MSRP).
✅100% more VRAM for high-resolution textures and newer games (2 GB vs 1 GB).
✅Draws 35W instead of 200W, a 165W reduction.

Trade-offs

❌Lower average FPS than GeForce GTX 645 across 50 tracked games in our benchmark data.
❌2017 hardware with 2 GB of VRAM is already well past its comfortable zone for modern gaming, so it is hard to recommend now.
❌14.3% longer card at 168mm vs 147mm.

Quick Answers

Which GPU is faster for gaming right now?

GeForce GTX 645 is the faster gaming card right now. In our data, it leads by 76.3% in average FPS across 50 tracked games in our benchmark data and by 0.5% in PassMark G3D (1,880 vs 1,871), so the answer here is pretty clean.

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

GeForce GTX 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?

Radeon Pro WX 2100 makes the most sense to buy today. It is $1 cheaper on MSRP at $149 vs $150, and it leads G3D-per-dollar by 0.2% (12.6 vs 12.5), which is enough to swing the recommendation its way. If you are mainly targeting 1080p and some 1440p, Radeon Pro WX 2100 is the easier value choice. If you care more about 1080p and some 1440p headroom, GeForce GTX 645 has the stronger long-term case.

GeForce GTX 645 vs Radeon Pro WX 2100 Technical Specifications

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

GeForce GTX 645

The GeForce GTX 645 is manufactured by NVIDIA. It was released in May 31 2010. It features the Fermi architecture. The core clock speed is 607 MHz. It has 352 shading units. The thermal design power (TDP) is 200W. Manufactured using 40 nm process technology. G3D Mark benchmark score: 1,880 points. Launch price was $279.

Radeon Pro WX 2100

The Radeon Pro WX 2100 is manufactured by AMD. It was released in June 4 2017. It features the GCN 4.0 architecture. The core clock ranges from 925 MHz to 1219 MHz. It has 512 shading units. The thermal design power (TDP) is 35W. Manufactured using 14 nm process technology. G3D Mark benchmark score: 1,871 points. Launch price was $149.

⚡

Graphics Performance

The GeForce GTX 645 scores 1,880 and the Radeon Pro WX 2100 reaches 1,871 in the G3D Mark benchmark — just a 0.5% difference, making them near-identical in rasterization performance. The GeForce GTX 645 is built on Fermi while the Radeon Pro WX 2100 uses GCN 4.0, both on 40 nm vs 14 nm. Shader units: 352 (GeForce GTX 645) vs 512 (Radeon Pro WX 2100). Raw compute: 0.8554 TFLOPS (GeForce GTX 645) vs 1.248 TFLOPS (Radeon Pro WX 2100).

Feature	GeForce GTX 645	Radeon Pro WX 2100
G3D Mark Score	1,880	1,871
Architecture	Fermi	GCN 4.0
Process Node	40 nm	14 nm
Shading Units	352	512+45%
Compute (TFLOPS)	0.8554 TFLOPS	1.248 TFLOPS+46%
ROPs	32+100%	16
TMUs	44+38%	32
L1 Cache	704 KB+450%	128 KB
L2 Cache	512 KB+100%	256 KB

✨

Advanced Features (DLSS/FSR)

The GeForce GTX 645 gets NVIDIA DLSS, which still tends to look cleaner in motion. The Radeon Pro WX 2100 leans on FSR, which is flexible and widely supported, but usually a bit rougher at the same settings.

Feature	GeForce GTX 645	Radeon Pro WX 2100
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)

The GeForce GTX 645 has 1 GB of VRAM, while the Radeon Pro WX 2100 carries 2 GB. Radeon Pro WX 2100 gives you 100% more memory capacity, which matters more once you move into heavier textures, mods, or higher resolutions. Memory bus width is 128-bit on the GeForce GTX 645 and 64-bit on the Radeon Pro WX 2100. L2 Cache: 512 KB (GeForce GTX 645) vs 256 KB (Radeon Pro WX 2100) — the GeForce GTX 645 has significantly larger on-die cache to reduce VRAM reliance.

Feature	GeForce GTX 645	Radeon Pro WX 2100
VRAM Capacity	1 GB	2 GB+100%
Memory Type	GDDR5	GDDR5
Bus Width	128-bit+100%	64-bit
L2 Cache	512 KB+100%	256 KB

🖥️

Display & API Support

DirectX support: 11.0 (GeForce GTX 645) vs 12 (12_0) (Radeon Pro WX 2100). Vulkan: 1.2 vs 1.3. OpenGL: 4.6 vs 4.6. Maximum simultaneous displays: 3 vs 3.

Feature	GeForce GTX 645	Radeon Pro WX 2100
DirectX	11.0	12 (12_0)+9%
Vulkan	1.2	1.3+8%
OpenGL	4.6	4.6
Max Displays	3	3

🎬

Media & Encoding

Hardware encoder: NVENC (1st Gen) (GeForce GTX 645) vs VCE 3.4 (Polaris) (Radeon Pro WX 2100). Decoder: PureVideo VP5 vs UVD 6.3. Supported codecs: MPEG-2,VC-1,H.264,MPEG-4 (GeForce GTX 645) vs H.264,HEVC (Radeon Pro WX 2100).

Feature	GeForce GTX 645	Radeon Pro WX 2100
Encoder	NVENC (1st Gen)	VCE 3.4 (Polaris)
Decoder	PureVideo VP5	UVD 6.3
Codecs	MPEG-2,VC-1,H.264,MPEG-4	H.264,HEVC

🔌

Power & Dimensions

The GeForce GTX 645 draws 200W versus the Radeon Pro WX 2100's 35W — a 140.4% difference. The Radeon Pro WX 2100 is more power-efficient. Recommended PSU: 300W (GeForce GTX 645) vs 350W (Radeon Pro WX 2100). Power connectors: None vs PCIe-powered. Card length: 147mm vs 168mm, occupying 1 vs 1 slots. Typical load temperature: 80 vs 80°C.

Feature	GeForce GTX 645	Radeon Pro WX 2100
TDP	200W	35W-83%
Recommended PSU	300W-14%	350W
Power Connector	None	PCIe-powered
Length	147mm	168mm
Height	111mm	69mm
Slots	1	1
Temp (Load)	80	80°C
Perf/Watt	9.4	53.5+469%

💰

Value Analysis

At launch, the GeForce GTX 645 came in at $150, while the Radeon Pro WX 2100 launched at $149. On MSRP, Radeon Pro WX 2100 was 0.7% cheaper ($1 less). Performance per dollar on MSRP (G3D Mark / MSRP): 12.5 (GeForce GTX 645) vs 12.6 (Radeon Pro WX 2100) — the Radeon Pro WX 2100 offers 0.8% better value. The newer card here is Radeon Pro WX 2100 (2017 vs 2010).

Feature	GeForce GTX 645	Radeon Pro WX 2100
MSRP	$150	$149
Performance per Dollar	12.5	12.6
Codename	GF100	Lexa
Release	May 31 2010	June 4 2017
Ranking	#618	#702

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