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AMD - Radeon RX 7700 XT vs AMD - Radeon RX 7900 XTX

Last updated · How Mars Score works
Radeon RX 7700 XTAMDRENDER
Probe A
AMD
Radeon RX 7700 XT
59.6/ 100C
Benchmarks61· 40%
Core61· 30%
Memory56· 20%
Power & Form· 10%
Radeon RX 7900 XTXAMDRENDER
Probe B
AMD
Radeon RX 7900 XTX
71.0/ 100B
Benchmarks72· 40%
Core64· 30%
Memory80· 20%
Power & Form· 10%
Quick verdict

Between the Radeon RX 7700 XT and Radeon RX 7900 XTX, the Radeon RX 7700 XT comes out ahead in tdp and boost clock, while the Radeon RX 7900 XTX wins on vram and memory bus. Overall, the Radeon RX 7700 XT scores 59.6 and the Radeon RX 7900 XTX scores 71 on our Mars Score.

Buying advice

Which should you buy?

The Radeon RX 7900 XTX is the clear pick on raw spec strength, leading by 11.4 points on the Mars Score. The margin is wide enough that the underdog only makes sense if its individual strengths line up with what you specifically need.

Pick the Radeon RX 7700 XT if you care most about tdp and boost clock. The biggest gaps in its favor are tdp, boost clock.

Pick the Radeon RX 7900 XTX if you push the hardware — gaming, on-device AI, heavy multitasking — and the extra compute headroom is worth the trade-offs. Its strongest claims are vram, memory bus, cuda / stream cores, among others.

Both ship with comparable dlss, so those specs don't separate the two — focus on the differences below.

Bottom line: the Radeon RX 7900 XTX is the safer default. The other model is the right choice only when its specific advantages line up with your priorities.

Why AMD - Radeon RX 7700 XT wins

  • TDP — 110.00 W less. 245 vs 355.
  • Boost clock — 1.76% more. 2544 MHz vs 2500 MHz.

Why AMD - Radeon RX 7900 XTX wins

  • VRAM — 100.00% more. 24 GB vs 12 GB.
  • Memory bus — 100.00% more. 384 bit vs 192 bit.
  • CUDA / Stream cores — 77.78% more. 6144 vs 3456.
  • Ray tracing cores — 77.78% more. 96 vs 54.
  • 3DMark Time Spy — 41.89% more. 21000 vs 14800.
Full readout

Spec comparison

Core

SpecAMD - Radeon RX 7700 XTAMD - Radeon RX 7900 XTX
ChipsetNavi 32Navi 31
Base clock1700 MHz1900 MHzlead
Boost clock2544 MHzlead2500 MHz
CUDA / Stream cores34566144lead
Ray tracing cores5496lead

Memory

SpecAMD - Radeon RX 7700 XTAMD - Radeon RX 7900 XTX
VRAM12 GB24 GBlead
VRAM typeGDDR6GDDR6
Memory bus192 bit384 bitlead

Power & Form

SpecAMD - Radeon RX 7700 XTAMD - Radeon RX 7900 XTX
TDP245 Wlead355 W
Recommended PSU700 Wlead800 W
Length267 mmlead287 mm
Slot size2.5-slot2.5-slot

Benchmarks

SpecAMD - Radeon RX 7700 XTAMD - Radeon RX 7900 XTX
3DMark Time Spy1480021000lead
DLSSfalsefalse
FSRtruetrue
Reader questions

Frequently asked

Which has more VRAM, Radeon RX 7700 XT or Radeon RX 7900 XTX?+

Radeon RX 7900 XTX ships with 24GB GDDR6 vs 12GB.

Which scores higher in 3DMark Time Spy, Radeon RX 7700 XT or Radeon RX 7900 XTX?+

Radeon RX 7900 XTX scores 21000 vs 14800.

Which draws less power, Radeon RX 7700 XT or Radeon RX 7900 XTX?+

Radeon RX 7700 XT draws 245W TDP vs 355W.

Drill down

Spec-level deep dives

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