Radeon RX 6900 XT vs CMP 30HX
We compared two Desktop platform GPUs: 16GB VRAM Radeon RX 6900 XT and 6GB VRAM CMP 30HX to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
Radeon RX 6900 XT Advantages
Boost Clock has increased by 26% (2250MHz vs 1785MHz)
More VRAM (16GB vs 6GB)
Larger VRAM bandwidth (512.0GB/s vs 336.0GB/s)
3712 additional rendering cores
CMP 30HX Advantages
Lower TDP (125W vs 300W)
Score
Benchmark
FP32 (float)
Radeon RX 6900 XT
+358%
23040
CMP 30HX
5027
Blender
Radeon RX 6900 XT
+272%
2981
CMP 30HX
801
Graphics Card
Oct 2020
Release Date
Feb 2021
Navi II
Generation
Mining GPUs
Desktop
Type
Desktop
PCIe 4.0 x16
Bus Interface
PCIe 1.0 x4
Clock Speeds
1825 MHz
Base Clock
1530 MHz
2250 MHz
Boost Clock
1785 MHz
2000 MHz
Memory Clock
1750 MHz
Memory
16GB
Memory Size
6GB
GDDR6
Memory Type
GDDR6
256bit
Memory Bus
192bit
512.0GB/s
Bandwidth
336.0GB/s
Render Config
80
Compute Units
-
-
SM Count
22
5120
Shading Units
1408
320
TMUs
88
128
ROPs
48
80
RT Cores
-
128 KB per Array
L1 Cache
64 KB (per SM)
4 MB
L2 Cache
1536 KB
128 MB
L3 Cache
-
Theoretical Performance
288.0 GPixel/s
Pixel Rate
85.68 GPixel/s
720.0 GTexel/s
Texture Rate
157.1 GTexel/s
46.08 TFLOPS
FP16 (half)
10.05 TFLOPS
23.04 TFLOPS
FP32 (float)
5.027 TFLOPS
1440 GFLOPS
FP64 (double)
157.1 GFLOPS
Board Design
300W
TDP
125W
700 W
Suggested PSU
300 W
1x HDMI 2.1
2x DisplayPort 1.4a
1x USB Type-C
2x DisplayPort 1.4a
1x USB Type-C
Outputs
No outputs
2x 8-pin
Power Connectors
1x 8-pin
Graphics Processor
Navi 21
GPU Name
TU116
Navi 21 XTX
(215-121000167)
(215-121000167)
GPU Variant
TU116-100-A1
RDNA 2.0
Architecture
Turing
TSMC
Foundry
TSMC
7 nm
Process Size
12 nm
26.8 billion
Transistors
6.6 billion
520 mm²
Die Size
284 mm²
Graphics Features
12 Ultimate (12_2)
DirectX
12 (12_1)
4.6
OpenGL
4.6
2.1
OpenCL
3.0
1.3
Vulkan
1.3
-
CUDA
7.5
6.5
Shader Model
6.8
