AMD Radeon RX 7900 XT vs AMD Radeon RX 6900 XTX
GPU Specs Compare
Graphics Card
Release Date
Nov 2022
Unknown
Generation
Navi III
Navi II
Type
Desktop
Desktop
Bus Interface
PCIe 4.0 x16
PCIe 4.0 x16
Clock Speeds
Base Clock
1387 MHz
2075 MHz
Boost Clock
2394 MHz
2435 MHz
Memory Clock
2500 MHz
2250 MHz
Memory
Memory Size
20GB
16GB
Memory Type
GDDR6
GDDR6
Memory Bus
320bit
256bit
Bandwidth
800.0GB/s
576.0GB/s
Render Config
Compute Units
84
80
Shading Units
5376
5120
TMUs
336
320
ROPs
192
128
RT Cores
84
80
L1 Cache
256 KB per Array
128 KB per Array
L2 Cache
6 MB
4 MB
L3 Cache
80 MB
128 MB
Theoretical Performance
Pixel Rate
459.6 GPixel/s
311.7 GPixel/s
Texture Rate
804.4 GTexel/s
779.2 GTexel/s
FP16 (half)
103.0 TFLOPS
49.87 TFLOPS
FP32 (float)
51.48 TFLOPS
24.93 TFLOPS
FP64 (double)
1.609 TFLOPS
1.558 TFLOPS
Graphics Processor
GPU Name
Navi 31
Navi 21
GPU Variant
Navi 31 XT(215-145000156)
Navi 21 XTXH(215-121000247)
Architecture
RDNA 3.0
RDNA 2.0
Foundry
TSMC
TSMC
Process Size
5 nm
7 nm
Transistors
57.7 billion
26.8 billion
Die Size
529 mm²
520 mm²
Board Design
TDP
300W
330W
Suggested PSU
700 W
700 W
Outputs
1x HDMI 2.1a2x DisplayPort 2.11x USB Type-C
1x HDMI 2.12x DisplayPort 1.4a1x USB Type-C
Power Connectors
2x 8-pin
2x 8-pin
Graphics Features
DirectX
12 Ultimate (12_2)
12 Ultimate (12_2)
OpenGL
4.6
4.6
OpenCL
2.2
2.1
Vulkan
1.3
1.3
Shader Model
6.8
6.5
📊 Benchmark
3DMark Time Spy
26,829
-
3DMark Time Spy Extreme
13,130
-
3DMark Speed Way
5,364
-