Radeon R7 250 OEM vs Radeon R9 280X
We compared two Desktop platform GPUs: 2GB VRAM Radeon R7 250 OEM and 3GB VRAM Radeon R9 280X to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
Radeon R7 250 OEM 's Advantages
Boost Clock has increased by 5% (1050MHz vs 1000MHz)
Lower TDP (65W vs 250W)
Radeon R9 280X 's Advantages
More VRAM (3GB vs 2GB)
Larger VRAM bandwidth (288.0GB/s vs 32.00GB/s)
1664 additional rendering cores
Score
Benchmark
FP32 (float)
Radeon R7 250 OEM
806
Radeon R9 280X
+408%
4096
Graphics Card
Oct 2013
Release Date
Oct 2013
Volcanic Islands
Generation
Volcanic Islands
Desktop
Type
Desktop
PCIe 3.0 x8
Bus Interface
PCIe 3.0 x16
Clock Speeds
1000 MHz
Base Clock
850 MHz
1050 MHz
Boost Clock
1000 MHz
1000 MHz
Memory Clock
1500 MHz
Memory
2GB
Memory Size
3GB
DDR3
Memory Type
GDDR5
128bit
Memory Bus
384bit
32.00GB/s
Bandwidth
288.0GB/s
Render Config
6
Compute Units
32
384
Shading Units
2048
24
TMUs
128
8
ROPs
32
16 KB (per CU)
L1 Cache
16 KB (per CU)
256 KB
L2 Cache
768 KB
Theoretical Performance
8.400 GPixel/s
Pixel Rate
32.00 GPixel/s
25.20 GTexel/s
Texture Rate
128.0 GTexel/s
806.4 GFLOPS
FP32 (float)
4.096 TFLOPS
50.40 GFLOPS
FP64 (double)
1024 GFLOPS
Board Design
65W
TDP
250W
250 W
Suggested PSU
600 W
1x DVI
1x HDMI 1.4a
1x VGA
Outputs
2x DVI
1x HDMI 1.4a
1x DisplayPort 1.2
None
Power Connectors
1x 6-pin + 1x 8-pin
Graphics Processor
Oland
GPU Name
Tahiti
Oland XT
(215-0837000)
GPU Variant
Tahiti XTL
(215-0821065)
GCN 1.0
Architecture
GCN 1.0
TSMC
Foundry
TSMC
28 nm
Process Size
28 nm
0.95 billion
Transistors
4.313 billion
77 mm²
Die Size
352 mm²
Graphics Features
12 (11_1)
DirectX
12 (11_1)
4.6
OpenGL
4.6
1.2
OpenCL
1.2
1.2
Vulkan
1.2
5.1
Shader Model
5.1
