Radeon R9 270 1024SP vs A2
We compared two Desktop platform GPUs: 2GB VRAM Radeon R9 270 1024SP and 16GB VRAM A2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
A2 's Advantages
Released 6 years and 8 months late
Boost Clock has increased by 91% (1770MHz vs 925MHz)
More VRAM (16GB vs 2GB)
Larger VRAM bandwidth (200.1GB/s vs 153.6GB/s)
256 additional rendering cores
Lower TDP (60W vs 150W)
Score
Benchmark
FP32 (float)
Radeon R9 270 1024SP
1894
A2
+139%
4531
Graphics Card
Mar 2015
Release Date
Nov 2021
Volcanic Islands
Generation
Quadro
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 4.0 x8
Clock Speeds
900 MHz
Base Clock
1440 MHz
925 MHz
Boost Clock
1770 MHz
1200 MHz
Memory Clock
1563 MHz
Memory
2GB
Memory Size
16GB
GDDR5
Memory Type
GDDR6
256bit
Memory Bus
128bit
153.6GB/s
Bandwidth
200.1GB/s
Render Config
16
Compute Units
-
-
SM Count
10
1024
Shading Units
1280
64
TMUs
40
32
ROPs
32
-
Tensor Cores
40
-
RT Cores
10
16 KB (per CU)
L1 Cache
128 KB (per SM)
512 KB
L2 Cache
2 MB
Theoretical Performance
29.60 GPixel/s
Pixel Rate
56.64 GPixel/s
59.20 GTexel/s
Texture Rate
70.80 GTexel/s
-
FP16 (half)
4.531 TFLOPS
1.894 TFLOPS
FP32 (float)
4.531 TFLOPS
118.4 GFLOPS
FP64 (double)
70.80 GFLOPS
Board Design
150W
TDP
60W
450 W
Suggested PSU
250 W
2x DVI
1x HDMI 1.4a
1x DisplayPort 1.2
Outputs
No outputs
1x 6-pin
Power Connectors
None
Graphics Processor
Pitcairn
GPU Name
GA107
Pitcairn PRO
(215-0828062)
GPU Variant
-
GCN 1.0
Architecture
Ampere
TSMC
Foundry
Samsung
28 nm
Process Size
8 nm
2.8 billion
Transistors
Unknown
212 mm²
Die Size
Unknown
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
6.6
