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GPU Comparison: FPS, Specs & Value

Radeon 550 vs Radeon HD 7990

The Radeon 550 is much slower than the Radeon HD 7990 on average across 100+ games. However, it's a much better value for money, as it's $530.01 cheaper!

HowManyFPS Team · Prices updated · FPS from real gameplay sessions · Browse benchmarks

  • Is 4 years and 1 month newer
  • Up to 1165% cheaper – $69.98 vs $599.99
  • Up to 317% better value for money
  • Up to 203% faster on average across 100+ games
  • Up to 1165% more expensive – $599.99 vs $69.98

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.

Scorehelp

Radeon HD 7990 ranks 3 points higher.

FP32 Computehelp
AMD Radeon 550 Logo
Radeon 550
1211.4 TFLOPS
AMD Radeon HD 7990 Logo
Radeon HD 7990
4096 TFLOPS

Radeon HD 7990 has 238% more compute power.

Pixel Fillratehelp
AMD Radeon 550 Logo
Radeon 550
18.93 GP/s

Radeon HD 7990 fills pixels 69% faster.

Texture Fillratehelp
AMD Radeon 550 Logo
Radeon 550
37.86 GT/s

Radeon HD 7990 maps textures 238% faster.

VRAMhelp

Radeon HD 7990 has 1 GB more VRAM.

Memory Bandwidthhelp
AMD Radeon 550 Logo
Radeon 550
56 GB/s

Radeon HD 7990 moves data 414% faster.

TDPhelp

Radeon 550 draws 325W less power.

Pricehelp

Radeon 550 is $530.01 cheaper.

GDDR5
Memory Typehelp
GDDR5
64-bit
Memory Bushelp
384-bit
Polaris (RX 500)
Generationhelp
Southern Islands (HD 7900)
Desktop
Segmenthelp
Desktop
-
Power Connectorshelp
-
-
Outputshelp
-

Frequently Asked Questions

compare_arrowsWhich is better, Radeon 550 or Radeon HD 7990?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, Radeon 550 or Radeon HD 7990?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 Radeon 550 and Radeon HD 7990?expand_more
Performance: Radeon 550 scores 1/100, Radeon HD 7990 scores 4/100. They also differ in VRAM, memory bandwidth, power draw, and compute performance. Full breakdown in the specs section above.
compressWill the Radeon 550 or Radeon HD 7990 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 Radeon 550 or Radeon HD 7990?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 Radeon 550 and Radeon HD 7990?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.

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