AMD Radeon RX 7900 XT vs AMD Radeon RX 9070 GRE
We compared two Desktop platform GPUs: 20GB VRAM Radeon RX 7900 XT and 12GB VRAM Radeon RX 9070 GRE to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon RX 7900 XT 's Advantages
More VRAM (20GB vs 12GB)
Larger VRAM bandwidth (800.0GB/s vs 432.0GB/s)
2304 additional rendering cores
AMD Radeon RX 9070 GRE 's Advantages
Released 2 years and 6 months late
Boost Clock has increased by 17% (2790MHz vs 2394MHz)
Lower TDP (220W vs 300W)
Score
Benchmark
FP32 (float)
Radeon RX 7900 XT
+50%
51.48 TFLOPS
Radeon RX 9070 GRE
34.28 TFLOPS
Graphics Card
Nov 2022
Release Date
May 2025
Navi III
Generation
Navi IV
Desktop
Type
Desktop
PCIe 4.0 x16
Bus Interface
PCIe 5.0 x16
Clock Speeds
1387 MHz
Base Clock
1330 MHz
2394 MHz
Boost Clock
2790 MHz
2500 MHz
Memory Clock
2250 MHz
Memory
20GB
Memory Size
12GB
GDDR6
Memory Type
GDDR6
320bit
Memory Bus
192bit
800.0GB/s
Bandwidth
432.0GB/s
Render Config
84
Compute Units
48
-
SM Count
46
5376
Shading Units
3072
336
TMUs
192
192
ROPs
96
-
Tensor Cores
96
84
RT Cores
48
256 KB per Array
L1 Cache
128 KB (per SM)
6 MB
L2 Cache
8 MB
80 MB
L3 Cache
64 MB
Theoretical Performance
459.6 GPixel/s
Pixel Rate
267.8 GPixel/s
804.4 GTexel/s
Texture Rate
535.7 GTexel/s
103.0 TFLOPS
FP16 (half)
68.57 TFLOPS
51.48 TFLOPS
FP32 (float)
34.28 TFLOPS
1.609 TFLOPS
FP64 (double)
1071 GFLOPS
Board Design
300W
TDP
220W
700 W
Suggested PSU
550 W
1x HDMI 2.1a
2x DisplayPort 2.1
1x USB Type-C
Outputs
1x HDMI 2.1b
3x DisplayPort 2.1a
2x 8-pin
Power Connectors
2x 8-pin
Graphics Processor
Navi 31
GPU Name
Navi 48
Navi 31 XT
(215-145000156)
GPU Variant
Navi 48 XL
RDNA 3.0
Architecture
RDNA 4.0
TSMC
Foundry
TSMC
5 nm
Process Size
4 nm
57.7 billion
Transistors
53.9 billion
529 mm²
Die Size
357 mm²
Graphics Features
12 Ultimate (12_2)
DirectX
12 Ultimate (12_2)
4.6
OpenGL
4.6
2.2
OpenCL
2.2
1.3
Vulkan
1.3
-
CUDA
12.0
6.7
Shader Model
6.8
