AMD Radeon RX 455 OEM vs NVIDIA CMP 40HX
We compared two Desktop platform GPUs: 2GB VRAM Radeon RX 455 OEM and 8GB VRAM CMP 40HX to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon RX 455 OEM 's Advantages
Lower TDP (100W vs 185W)
NVIDIA CMP 40HX 's Advantages
Released 4 years and 8 months late
Boost Clock1650MHz
More VRAM (8GB vs 2GB)
Larger VRAM bandwidth (448.0GB/s vs 104.0GB/s)
1536 additional rendering cores
Score
Benchmark
FP32 (float)
Radeon RX 455 OEM
1.613 TFLOPS
CMP 40HX
+371%
7.603 TFLOPS
Graphics Card
Jun 2016
Release Date
Feb 2021
Arctic Islands
Generation
Mining GPUs
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 1.0 x4
Clock Speeds
-
Base Clock
1470 MHz
-
Boost Clock
1650 MHz
1625 MHz
Memory Clock
1750 MHz
Memory
2GB
Memory Size
8GB
GDDR5
Memory Type
GDDR6
128bit
Memory Bus
256bit
104.0GB/s
Bandwidth
448.0GB/s
Render Config
12
Compute Units
-
-
SM Count
36
768
Shading Units
2304
48
TMUs
144
16
ROPs
64
-
Tensor Cores
288
-
RT Cores
36
16 KB (per CU)
L1 Cache
64 KB (per SM)
256 KB
L2 Cache
4 MB
-
-
-
Theoretical Performance
16.80 GPixel/s
Pixel Rate
105.6 GPixel/s
50.40 GTexel/s
Texture Rate
237.6 GTexel/s
-
FP16 (half)
15.21 TFLOPS
1.613 TFLOPS
FP32 (float)
7.603 TFLOPS
100.8 GFLOPS
FP64 (double)
237.6 GFLOPS
Board Design
100W
TDP
185W
300 W
Suggested PSU
450 W
1x DVI
1x HDMI 1.4a
1x DisplayPort 1.2
Outputs
No outputs
1x 6-pin
Power Connectors
1x 8-pin
Graphics Processor
Tobago
GPU Name
TU106
Tobago PRO
(215-0875010)
GPU Variant
TU106-100-A1
GCN 2.0
Architecture
Turing
TSMC
Foundry
TSMC
28 nm
Process Size
12 nm
2.08 billion
Transistors
10.8 billion
160 mm²
Die Size
445 mm²
Graphics Features
12 (12_0)
DirectX
12 Ultimate (12_2)
4.6
OpenGL
4.6
2.0
OpenCL
3.0
1.2
Vulkan
1.3
-
CUDA
7.5
6.3
Shader Model
6.8
