Tom Clancy's Rainbow Six Siege
1080p@75Hz·08:15 played
Nobody·10h ago
Public2 Tips
368
FPSAverage
336
FPS1% Low
87%/67°C
65%/73°C
16 GB
92%usage
GeForce GT 645M vs Radeon R7 240
The GeForce GT 645M is slightly slower than the Radeon R7 240 on average across 100+ games. We cannot compare value as at least one GPU is out of stock.
Radeon R7 2400% Score
- Up to 4% faster on average across 100+ games
- Is 1 year newer
- Available for $67.95
FPS Comparison Across Popular Games
Predicted average FPS at 1080p, 1440p, and 4K, based on real game benchmarks.
Specs & Benchmark Comparison
Side-by-side specs, synthetic benchmarks, and key hardware differences.
FP32 Computehelp
GeForce GT 645M has 34% more compute power.
Pixel Fillratehelp
GeForce GT 645M fills pixels 11% faster.
Texture Fillratehelp
GeForce GT 645M maps textures 78% faster.
Memory Bandwidthhelp
Radeon R7 240 moves data 156% faster.
DDR3
Memory Typehelp
GDDR5128-bit
Memory Bushelp
128-bitGeForce 600M
Generationhelp
Volcanic Islands (R7 200)Mobile
Segmenthelp
Desktop-
Power Connectorshelp
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Outputshelp
-Frequently Asked Questions
compare_arrowsWhich is better, GeForce GT 645M or Radeon R7 240?expand_more
Neither, they're within 1% of each other across 100+ games. Pick based on price, availability, or VRAM.
aspect_ratioWhich is better for 1440p and 4K gaming, GeForce GT 645M or Radeon R7 240?expand_more
They trade blows depending on the game. Toggle the resolution selector above to compare per-game FPS at 1440p and 4K.
differenceWhat is the difference between GeForce GT 645M and Radeon R7 240?expand_more
Performance: GeForce GT 645M scores 1/100, Radeon R7 240 scores 0/100. They also differ in VRAM, memory bandwidth, power draw, and compute performance. Full breakdown in the specs section above.
compressWill the GeForce GT 645M or Radeon R7 240 bottleneck my PC?expand_more
Depends on the rest of your build, especially your CPU. Swap the paired CPU in the FPS section above to see if it limits performance, or use our bottleneck calculator for a full analysis.
upgradeIs it worth upgrading to the GeForce GT 645M or Radeon R7 240?expand_more
Both are solid choices. Compare your current GPU against each one to see the exact FPS gain.
memoryDoes VRAM matter when comparing the GeForce GT 645M and Radeon R7 240?expand_more
Yes, more VRAM helps at higher resolutions and in modded games. Check the specs section above to compare memory capacity and bandwidth between both GPUs.
Popular Comparisons
GT 645M vs RTX 5070GT 645M vs RTX 5060 TiGT 645M vs RTX 5060GT 645M vs RTX 5070 TiGT 645M vs RTX 5080GT 645M vs RX 9070 XTGT 645M vs RTX 5090GT 645M vs RX 9060 XT 16 GBGT 645M vs Arc B580GT 645M vs GTX 1660 SUPERGT 645M vs RX 9070GT 645M vs RTX 4080GT 645M vs RX 7700 XTGT 645M vs RX 580GT 645M vs RX 560GT 645M vs RX 7900 XTGT 645M vs RX 6800GT 645M vs Arc A580GT 645M vs Arc A750GT 645M vs Arc A380GT 645M vs Arc B570GT 645M vs GT 1030GT 645M vs RX 7900 XTXGT 645M vs RTX 4090GT 645M vs R7 250R7 240 vs RTX 5070R7 240 vs RTX 5060 TiR7 240 vs RTX 5060R7 240 vs RTX 5070 TiR7 240 vs RTX 5080R7 240 vs RX 9070 XTR7 240 vs RTX 5090R7 240 vs RX 9060 XT 16 GBR7 240 vs Arc B580R7 240 vs GTX 1660 SUPERR7 240 vs RX 9070R7 240 vs RTX 4080R7 240 vs RX 7700 XTR7 240 vs RX 580R7 240 vs RX 560R7 240 vs RX 7900 XTR7 240 vs RX 6800R7 240 vs Arc A580R7 240 vs Arc A750R7 240 vs Arc A380R7 240 vs Arc B570R7 240 vs GT 1030R7 240 vs RX 7900 XTXR7 240 vs RTX 4090R7 240 vs R7 250