GeForce GT 645M vs Radeon HD 8570

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 645M vs Radeon HD 8570 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 645M vs Radeon HD 8570: 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 645M

2012

Why buy it

✅Draws 32W instead of 200W, a 168W reduction.

Trade-offs

❌Lower average FPS than Radeon HD 8570 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.
❌Lower G3D Mark per dollar, at 0 vs 9.4 G3D/$ (Unknown MSRP vs $100 MSRP).

Radeon HD 8570

2012

Why buy it

✅120.9% more average FPS across 50 tracked games in our benchmark data.
✅Delivers 100+% more G3D Mark for each dollar spent, at 9.4 vs 0 G3D/$ ($100 MSRP vs Unknown MSRP).

Trade-offs

❌2012 hardware with 2 GB of VRAM is already well past its comfortable zone for modern gaming, so it is hard to recommend now.
❌525% higher power demand at 200W vs 32W.

Quick Answers

Which GPU is faster for gaming right now?

Radeon HD 8570 is the faster gaming card right now. In our data, it leads by 120.9% in average FPS across 50 tracked games in our benchmark data. PassMark G3D leans toward GeForce GT 645M instead at 945 vs 944, 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 645M 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 HD 8570 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 8570 is the easier value choice. If you care more about 1080p and some 1440p headroom, GeForce GT 645M has the stronger long-term case.

GeForce GT 645M vs Radeon HD 8570 Technical Specifications

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

GeForce GT 645M

The GeForce GT 645M 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: 945 points.

Radeon HD 8570

The Radeon HD 8570 is manufactured by AMD. It was released in March 5 2012. It features the GCN 1.0 architecture. The core clock speed is 1000 MHz. It has 1280 shading units. The thermal design power (TDP) is 200W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 944 points. Launch price was $349.

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Graphics Performance

The GeForce GT 645M scores 945 and the Radeon HD 8570 reaches 944 in the G3D Mark benchmark — just a 0.1% difference, making them near-identical in rasterization performance. The GeForce GT 645M is built on Kepler while the Radeon HD 8570 uses GCN 1.0, both on a 28 nm process. Shader units: 384 (GeForce GT 645M) vs 1,280 (Radeon HD 8570). Raw compute: 0.5445 TFLOPS (GeForce GT 645M) vs 2.56 TFLOPS (Radeon HD 8570).

Feature	GeForce GT 645M	Radeon HD 8570
G3D Mark Score	945	944
Architecture	Kepler	GCN 1.0
Process Node	28 nm	28 nm
Shading Units	384	1280+233%
Compute (TFLOPS)	0.5445 TFLOPS	2.56 TFLOPS+370%
ROPs	16	32+100%
TMUs	32	80+150%
L1 Cache	32 KB	320 KB+900%
L2 Cache	256 KB	512 KB+100%

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Advanced Features (DLSS/FSR)

The GeForce GT 645M gets NVIDIA DLSS, which still tends to look cleaner in motion. The Radeon HD 8570 leans on FSR, which is flexible and widely supported, but usually a bit rougher at the same settings.

Feature	GeForce GT 645M	Radeon HD 8570
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

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Video Memory (VRAM)

Both cards ship with 2 GB of GDDR5. Memory bus width is 128-bit on the GeForce GT 645M and 128-bit on the Radeon HD 8570. L2 Cache: 256 KB (GeForce GT 645M) vs 512 KB (Radeon HD 8570) — the Radeon HD 8570 has significantly larger on-die cache to reduce VRAM reliance.

Feature	GeForce GT 645M	Radeon HD 8570
VRAM Capacity	2 GB	2 GB
Memory Type	GDDR5	GDDR5
Memory Bandwidth	Unknown	Unknown
Bus Width	128-bit	128-bit
L2 Cache	256 KB	512 KB+100%

🖥️

Display & API Support

DirectX support: 11.0 (GeForce GT 645M) vs 12 (11_1) (Radeon HD 8570). Vulkan: 1.1 vs 1.0. OpenGL: 4.5 vs 4.3. Maximum simultaneous displays: 1 vs 2.

Feature	GeForce GT 645M	Radeon HD 8570
DirectX	11.0	12 (11_1)+9%
Vulkan	1.1+10%	1.0
OpenGL	4.5+5%	4.3
Max Displays	1	2+100%

🎬

Media & Encoding

Hardware encoder: NVENC 1.0 (GeForce GT 645M) vs No (Radeon HD 8570). Decoder: PureVideo HD VP5 vs UVD 3. Supported codecs: MPEG-2,H.264,VC-1,MPEG-4 ASP (GeForce GT 645M) vs H.264,VC-1,MPEG-2,MPEG-4,MVC (Radeon HD 8570).

Feature	GeForce GT 645M	Radeon HD 8570
Encoder	NVENC 1.0	No
Decoder	PureVideo HD VP5	UVD 3
Codecs	MPEG-2,H.264,VC-1,MPEG-4 ASP	H.264,VC-1,MPEG-2,MPEG-4,MVC

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Power & Dimensions

The GeForce GT 645M draws 32W versus the Radeon HD 8570's 200W — a 144.8% difference. The GeForce GT 645M is more power-efficient. Recommended PSU: 350W (GeForce GT 645M) vs 300W (Radeon HD 8570). Power connectors: PCIe-powered vs 1x 6-pin.

Feature	GeForce GT 645M	Radeon HD 8570
TDP	32W-84%	200W
Recommended PSU	350W	300W-14%
Power Connector	PCIe-powered	1x 6-pin
Length	0mm	—
Height	0mm	—
Slots	0-100%	1
Temp (Load)	70°C	—
Perf/Watt	29.5+528%	4.7