Radeon R9 280 vs CMP 70HX
We compared two Desktop platform GPUs: 3GB VRAM Radeon R9 280 and 8GB VRAM CMP 70HX to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
CMP 70HX 's Advantages
Released 6 years and 10 months late
Boost Clock has increased by 50% (1395MHz vs 933MHz)
More VRAM (8GB vs 3GB)
Larger VRAM bandwidth (608.3GB/s vs 240.0GB/s)
2048 additional rendering cores
Score
Benchmark
FP32 (float)
Radeon R9 280
3344
CMP 70HX
+220%
10710
Graphics Card
Mar 2014
Release Date
Jan 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
1365 MHz
933 MHz
Boost Clock
1395 MHz
1250 MHz
Memory Clock
1188 MHz
Memory
3GB
Memory Size
8GB
GDDR5
Memory Type
GDDR6X
384bit
Memory Bus
256bit
240.0GB/s
Bandwidth
608.3GB/s
Render Config
28
Compute Units
-
-
SM Count
30
1792
Shading Units
3840
112
TMUs
120
32
ROPs
64
-
Tensor Cores
120
-
RT Cores
30
16 KB (per CU)
L1 Cache
128 KB (per SM)
768 KB
L2 Cache
4 MB
Theoretical Performance
29.86 GPixel/s
Pixel Rate
89.28 GPixel/s
104.5 GTexel/s
Texture Rate
167.4 GTexel/s
-
FP16 (half)
10.71 TFLOPS
3.344 TFLOPS
FP32 (float)
10.71 TFLOPS
836.0 GFLOPS
FP64 (double)
167.4 GFLOPS
Board Design
200W
TDP
Unknown
550 W
Suggested PSU
200 W
1x DVI
2x HDMI 1.4a
1x DisplayPort 1.2
Outputs
No outputs
1x 6-pin + 1x 8-pin
Power Connectors
1x 12-pin
Graphics Processor
Tahiti
GPU Name
GA104
Tahiti PRO3
(215-0821330)
GPU Variant
GA104-100-A1
GCN 1.0
Architecture
Ampere
TSMC
Foundry
Samsung
28 nm
Process Size
8 nm
4.313 billion
Transistors
17.4 billion
352 mm²
Die Size
392 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
8.6
5.1
Shader Model
6.8
