AMD Radeon R7 250 OEM vs AMD Radeon R9 Nano
We compared two Desktop platform GPUs: 2GB VRAM Radeon R7 250 OEM and 4GB VRAM Radeon R9 Nano to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon R7 250 OEM 's Advantages
Boost Clock1050MHz
Lower TDP (65W vs 175W)
AMD Radeon R9 Nano 's Advantages
Released 1 years and 10 months late
More VRAM (4GB vs 2GB)
Larger VRAM bandwidth (512.0GB/s vs 32.00GB/s)
3712 additional rendering cores
Score
Benchmark
FP32 (float)
Radeon R7 250 OEM
0.806 TFLOPS
Radeon R9 Nano
+916%
8.192 TFLOPS
Graphics Card
Oct 2013
Release Date
Aug 2015
Volcanic Islands
Generation
Pirate Islands
Desktop
Type
Desktop
PCIe 3.0 x8
Bus Interface
PCIe 3.0 x16
Clock Speeds
1000 MHz
Base Clock
-
1050 MHz
Boost Clock
-
1000 MHz
Memory Clock
500 MHz
Memory
2GB
Memory Size
4GB
DDR3
Memory Type
HBM
128bit
Memory Bus
4096bit
32.00GB/s
Bandwidth
512.0GB/s
Render Config
6
Compute Units
64
-
-
-
384
Shading Units
4096
24
TMUs
256
8
ROPs
64
-
-
-
-
-
-
16 KB (per CU)
L1 Cache
16 KB (per CU)
256 KB
L2 Cache
2 MB
-
-
-
Theoretical Performance
8.400 GPixel/s
Pixel Rate
64.00 GPixel/s
25.20 GTexel/s
Texture Rate
256.0 GTexel/s
-
FP16 (half)
8.192 TFLOPS
806.4 GFLOPS
FP32 (float)
8.192 TFLOPS
50.40 GFLOPS
FP64 (double)
512.0 GFLOPS
Board Design
65W
TDP
175W
250 W
Suggested PSU
450 W
1x DVI
1x HDMI 1.4a
1x VGA
Outputs
1x HDMI 1.4a
3x DisplayPort 1.2
None
Power Connectors
1x 8-pin
Graphics Processor
Oland
GPU Name
Fiji
Oland XT
(215-0837000)
GPU Variant
Fiji XT CA
(215-0862120)
GCN 1.0
Architecture
GCN 3.0
TSMC
Foundry
TSMC
28 nm
Process Size
28 nm
0.95 billion
Transistors
8.9 billion
77 mm²
Die Size
596 mm²
Graphics Features
12 (11_1)
DirectX
12 (12_0)
4.6
OpenGL
4.6
1.2
OpenCL
2.0
1.2
Vulkan
1.2
-
-
-
5.1
Shader Model
6.3
