AMD Radeon RX 6900 XT vs AMD P30PH
GPU · Specs Compare
Graphics Card
Release Date
Oct 2020
Unknown
Generation
Navi II
Mining GPUs
Type
Desktop
Desktop
Bus Interface
PCIe 4.0 x16
PCIe 3.0 x16
Clock Speeds
Base Clock
1825 MHz
1120 MHz
Boost Clock
2250 MHz
1206 MHz
Memory Clock
2000 MHz
2100 MHz
Memory
Memory Size
16GB
4GB
Memory Type
GDDR6
GDDR5
Memory Bus
256bit
256bit
Bandwidth
512.0GB/s
268.8GB/s
Render Config
Compute Units
80
32
Shading Units
5120
2048
TMUs
320
128
ROPs
128
32
RT Cores
80
—
L1 Cache
128 KB per Array
16 KB (per CU)
L2 Cache
4 MB
2 MB
L3 Cache
128 MB
—
Theoretical Performance
Pixel Rate
288.0 GPixel/s
38.59 GPixel/s
Texture Rate
720.0 GTexel/s
154.4 GTexel/s
FP16 (half)
46.08 TFLOPS
4.940 TFLOPS
FP32 (float)
23.04 TFLOPS
4.940 TFLOPS
FP64 (double)
1440.0 GFLOPS
308.7 GFLOPS
Graphics Processor
GPU Name
Navi 21
Polaris 20
GPU Variant
Navi 21 XTX(215-121000167)
—
Architecture
RDNA 2.0
GCN 4.0
Foundry
TSMC
GlobalFoundries
Process Size
7 nm
14 nm
Transistors
26.8 billion
5.7 billion
Die Size
520 mm²
232 mm²
Board Design
TDP
300W
180W
Suggested PSU
700 W
450 W
Outputs
1x HDMI 2.12x DisplayPort 1.4a1x USB Type-C
1x HDMI 2.0b
Power Connectors
2x 8-pin
2x 8-pin
Graphics Features
DirectX
12 Ultimate (12_2)
12 (12_0)
OpenGL
4.6
4.6
OpenCL
2.1
2.1
Vulkan
1.4
1.3
Shader Model
6.8
6.7
Benchmark
3DMark Time Spy
20,764
—
▲ Specs Compare
Data sourced from official specifications and benchmark tests.