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AMD - Radeon RX 7900 XTX vs AMD - Radeon RX 9070

Last updated · How Mars Score works
Radeon RX 7900 XTXAMDRENDER
Probe A
AMD
Radeon RX 7900 XTX
71.0/ 100B
Benchmarks72· 40%
Core64· 30%
Memory80· 20%
Power & Form· 10%
Radeon RX 9070AMDRENDER
Probe B
AMD
Radeon RX 9070
63.1/ 100C
Benchmarks64· 40%
Core61· 30%
Memory64· 20%
Power & Form· 10%
Quick verdict

Between the Radeon RX 7900 XTX and Radeon RX 9070, the Radeon RX 7900 XTX comes out ahead in cuda / stream cores and ray tracing cores, while the Radeon RX 9070 wins on tdp and boost clock. Overall, the Radeon RX 7900 XTX scores 71 and the Radeon RX 9070 scores 63.1 on our Mars Score.

Buying advice

Which should you buy?

The Radeon RX 7900 XTX edges ahead on the Mars Score (71 vs 63.1), but the 7.9-point gap is small enough that the right pick comes down to which spec advantages matter to you.

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. The biggest gaps in its favor are cuda / stream cores, ray tracing cores, vram, among others.

Pick the Radeon RX 9070 if you care most about tdp and boost clock. Its strongest claims are tdp, boost clock.

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 7900 XTX wins

  • CUDA / Stream cores — 71.43% more. 6144 vs 3584.
  • Ray tracing cores — 71.43% more. 96 vs 56.
  • VRAM — 50.00% more. 24 GB vs 16 GB.
  • Memory bus — 50.00% more. 384 bit vs 256 bit.
  • 3DMark Time Spy — 25.00% more. 21000 vs 16800.

Why AMD - Radeon RX 9070 wins

  • TDP — 135.00 W less. 220 vs 355.
  • Boost clock — 0.80% more. 2520 MHz vs 2500 MHz.
Full readout

Spec comparison

Core

SpecAMD - Radeon RX 7900 XTXAMD - Radeon RX 9070
ChipsetNavi 31Navi 48
Base clock1900 MHz2070 MHzlead
Boost clock2500 MHz2520 MHzlead
CUDA / Stream cores6144lead3584
Ray tracing cores96lead56

Memory

SpecAMD - Radeon RX 7900 XTXAMD - Radeon RX 9070
VRAM24 GBlead16 GB
VRAM typeGDDR6GDDR6
Memory bus384 bitlead256 bit

Power & Form

SpecAMD - Radeon RX 7900 XTXAMD - Radeon RX 9070
TDP355 W220 Wlead
Recommended PSU800 W650 Wlead
Length287 mm287 mm
Slot size2.5-slot2-slot

Benchmarks

SpecAMD - Radeon RX 7900 XTXAMD - Radeon RX 9070
3DMark Time Spy21000lead16800
DLSSfalsefalse
FSRtruetrue
Reader questions

Frequently asked

Which has more VRAM, Radeon RX 7900 XTX or Radeon RX 9070?+

Radeon RX 7900 XTX ships with 24GB GDDR6 vs 16GB.

Which scores higher in 3DMark Time Spy, Radeon RX 7900 XTX or Radeon RX 9070?+

Radeon RX 7900 XTX scores 21000 vs 16800.

Which draws less power, Radeon RX 7900 XTX or Radeon RX 9070?+

Radeon RX 9070 draws 220W TDP vs 355W.

Drill down

Spec-level deep dives

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