Radeon R9 270 1024SP vs RTX A4000H
We compared two Desktop platform GPUs: 2GB VRAM Radeon R9 270 1024SP and 16GB VRAM RTX A4000H to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
RTX A4000H 's Advantages
Released 6 years and 1 months late
Boost Clock has increased by 69% (1560MHz vs 925MHz)
More VRAM (16GB vs 2GB)
Larger VRAM bandwidth (448.0GB/s vs 153.6GB/s)
5120 additional rendering cores
Lower TDP (140W vs 150W)
Score
Benchmark
FP32 (float)
Radeon R9 270 1024SP
1894
RTX A4000H
+912%
19170
Graphics Card
Mar 2015
Release Date
Apr 2021
Volcanic Islands
Generation
Quadro Ampere
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 4.0 x16
Clock Speeds
900 MHz
Base Clock
735 MHz
925 MHz
Boost Clock
1560 MHz
1200 MHz
Memory Clock
1750 MHz
Memory
2GB
Memory Size
16GB
GDDR5
Memory Type
GDDR6
256bit
Memory Bus
256bit
153.6GB/s
Bandwidth
448.0GB/s
Render Config
16
Compute Units
-
-
SM Count
48
1024
Shading Units
6144
64
TMUs
192
32
ROPs
96
-
Tensor Cores
192
-
RT Cores
48
16 KB (per CU)
L1 Cache
128 KB (per SM)
512 KB
L2 Cache
4 MB
Theoretical Performance
29.60 GPixel/s
Pixel Rate
149.8 GPixel/s
59.20 GTexel/s
Texture Rate
299.5 GTexel/s
-
FP16 (half)
19.17 TFLOPS
1.894 TFLOPS
FP32 (float)
19.17 TFLOPS
118.4 GFLOPS
FP64 (double)
299.5 GFLOPS
Board Design
150W
TDP
140W
450 W
Suggested PSU
300 W
2x DVI
1x HDMI 1.4a
1x DisplayPort 1.2
Outputs
4x DisplayPort 1.4a
1x 6-pin
Power Connectors
1x 6-pin
Graphics Processor
Pitcairn
GPU Name
GA104
Pitcairn PRO
(215-0828062)
GPU Variant
GA104-???-A1
GCN 1.0
Architecture
Ampere
TSMC
Foundry
Samsung
28 nm
Process Size
8 nm
2.8 billion
Transistors
17.4 billion
212 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
6.7
