AMD Radeon Instinct MI25 vs AMD Radeon R9 270X
GPU · Specs Compare
Graphics Card
Release Date
Jun 2017
Oct 2013
Generation
Radeon Instinct
Volcanic Islands
Type
Professional
Desktop
Bus Interface
PCIe 3.0 x16
PCIe 3.0 x16
Clock Speeds
Base Clock
1400 MHz
1000 MHz
Boost Clock
1500 MHz
1050 MHz
Memory Clock
852 MHz
1400 MHz
Memory
Memory Size
16GB
2GB
Memory Type
HBM2
GDDR5
Memory Bus
2048bit
256bit
Bandwidth
436.2GB/s
179.2GB/s
Render Config
Compute Units
64
20
Shading Units
4096
1280
TMUs
256
80
ROPs
64
32
L1 Cache
16 KB (per CU)
16 KB (per CU)
L2 Cache
4 MB
512 KB
Theoretical Performance
Pixel Rate
96.00 GPixel/s
33.60 GPixel/s
Texture Rate
384.0 GTexel/s
84.00 GTexel/s
FP16 (half)
24.58 TFLOPS
—
FP32 (float)
12.29 TFLOPS
2.688 TFLOPS
FP64 (double)
768.0 GFLOPS
168.0 GFLOPS
Graphics Processor
GPU Name
Vega 10
Curacao
GPU Variant
Vega 10 XT GL(215-0894124)
Curacao XT(215-0848004)
Architecture
GCN 5.0
GCN 1.0
Foundry
GlobalFoundries
TSMC
Process Size
14 nm
28 nm
Transistors
12.5 billion
2.8 billion
Die Size
495 mm²
212 mm²
Board Design
TDP
300W
180W
Suggested PSU
700 W
450 W
Outputs
No outputs
2x DVI1x HDMI 1.4a1x DisplayPort 1.2
Power Connectors
2x 8-pin
2x 6-pin
Graphics Features
DirectX
12 (12_1)
12 (11_1)
OpenGL
4.6
4.6
OpenCL
2.1
1.2
Vulkan
1.2
1.2
Shader Model
6.4
5.1
Benchmark
3DMark Time Spy
—
1,769
▲ Specs Compare
Data sourced from official specifications and benchmark tests.