Radeon R9 280 vs CMP 40HX
We compared two Desktop platform GPUs: 3GB VRAM Radeon R9 280 and 8GB VRAM CMP 40HX to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
CMP 40HX 's Advantages
Released 6 years and 11 months late
Boost Clock has increased by 77% (1650MHz vs 933MHz)
More VRAM (8GB vs 3GB)
Larger VRAM bandwidth (448.0GB/s vs 240.0GB/s)
512 additional rendering cores
Lower TDP (185W vs 200W)
Score
Benchmark
FP32 (float)
Radeon R9 280
3344
CMP 40HX
+127%
7603
Graphics Card
Mar 2014
Release Date
Feb 2021
Volcanic Islands
Generation
Mining GPUs
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 1.0 x4
Clock Speeds
827 MHz
Base Clock
1470 MHz
933 MHz
Boost Clock
1650 MHz
1250 MHz
Memory Clock
1750 MHz
Memory
3GB
Memory Size
8GB
GDDR5
Memory Type
GDDR6
384bit
Memory Bus
256bit
240.0GB/s
Bandwidth
448.0GB/s
Render Config
28
Compute Units
-
-
SM Count
36
1792
Shading Units
2304
112
TMUs
144
32
ROPs
64
-
Tensor Cores
288
-
RT Cores
36
16 KB (per CU)
L1 Cache
64 KB (per SM)
768 KB
L2 Cache
4 MB
Theoretical Performance
29.86 GPixel/s
Pixel Rate
105.6 GPixel/s
104.5 GTexel/s
Texture Rate
237.6 GTexel/s
-
FP16 (half)
15.21 TFLOPS
3.344 TFLOPS
FP32 (float)
7.603 TFLOPS
836.0 GFLOPS
FP64 (double)
237.6 GFLOPS
Board Design
200W
TDP
185W
550 W
Suggested PSU
450 W
1x DVI
2x HDMI 1.4a
1x DisplayPort 1.2
Outputs
No outputs
1x 6-pin + 1x 8-pin
Power Connectors
1x 8-pin
Graphics Processor
Tahiti
GPU Name
TU106
Tahiti PRO3
(215-0821330)
GPU Variant
TU106-100-A1
GCN 1.0
Architecture
Turing
TSMC
Foundry
TSMC
28 nm
Process Size
12 nm
4.313 billion
Transistors
10.8 billion
352 mm²
Die Size
445 mm²
Graphics Features
12 (11_1)
DirectX
12 Ultimate (12_2)
4.6
OpenGL
4.6
1.2
OpenCL
3.0
1.2
Vulkan
1.3
-
CUDA
7.5
5.1
Shader Model
6.8
