AMD Radeon R9 270 1024SP vs AMD Steam Machine GPU
GPU Specs Compare
Graphics Card
Release Date
Mar 2015
Jan 2026
Generation
Volcanic Islands
Console GPU
Type
Desktop
Desktop
Bus Interface
PCIe 3.0 x16
-
Clock Speeds
Base Clock
900 MHz
1720 MHz
Boost Clock
925 MHz
2450 MHz
Memory Clock
1200 MHz
2250 MHz
Memory
Memory Size
2GB
8GB
Memory Type
GDDR5
GDDR6
Memory Bus
256bit
128bit
Bandwidth
153.6GB/s
288.0GB/s
Render Config
Compute Units
16
28
Shading Units
1024
1792
TMUs
64
112
ROPs
32
64
L1 Cache
16 KB (per CU)
128 KB per Array
L2 Cache
512 KB
2 MB
RT Cores
-
28
L3 Cache
-
32 MB
Theoretical Performance
Pixel Rate
29.60 GPixel/s
156.8 GPixel/s
Texture Rate
59.20 GTexel/s
274.4 GTexel/s
FP32 (float)
1.894 TFLOPS
17.56 TFLOPS
FP64 (double)
118.4 GFLOPS
548.8 GFLOPS
FP16 (half)
-
35.12 TFLOPS
Graphics Processor
GPU Name
Pitcairn
Navi 33
GPU Variant
Pitcairn PRO(215-0828062)
-
Architecture
GCN 1.0
RDNA 3.0
Foundry
TSMC
TSMC
Process Size
28 nm
6 nm
Transistors
2.8 billion
13.3 billion
Die Size
212 mm²
204 mm²
Board Design
TDP
150W
110W
Suggested PSU
450 W
-
Outputs
2x DVI1x HDMI 1.4a1x DisplayPort 1.2
No outputs
Power Connectors
1x 6-pin
None
Graphics Features
DirectX
12 (11_1)
12 Ultimate (12_2)
OpenGL
4.6
4.6
OpenCL
1.2
2.2
Vulkan
1.2
1.4
Shader Model
5.1
6.8