Radeon R5 330 OEM vs Radeon R9 280X2
We compared two Desktop platform GPUs: 2GB VRAM Radeon R5 330 OEM and 3GB VRAM Radeon R9 280X2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
Radeon R5 330 OEM Advantages
Lower TDP (50W vs 375W)
Radeon R9 280X2 Advantages
Boost Clock has increased by 17% (1000MHz vs 855MHz)
More VRAM (3GB vs 2GB)
Larger VRAM bandwidth (288.0GB/s vs 14.40GB/s)
1728 additional rendering cores
Score
Benchmark
FP32 (float)
Radeon R5 330 OEM
547
Radeon R9 280X2
+648%
4096
Graphics Card
May 2015
Release Date
Unknown
Pirate Islands
Generation
Volcanic Islands
Desktop
Type
Desktop
PCIe 3.0 x8
Bus Interface
PCIe 3.0 x16
Clock Speeds
830 MHz
Base Clock
950 MHz
855 MHz
Boost Clock
1000 MHz
900 MHz
Memory Clock
1500 MHz
Memory
2GB
Memory Size
3GB
DDR3
Memory Type
GDDR5
64bit
Memory Bus
384bit
14.40GB/s
Bandwidth
288.0GB/s
Render Config
5
Compute Units
32
320
Shading Units
2048
20
TMUs
128
8
ROPs
32
16 KB (per CU)
L1 Cache
16 KB (per CU)
128 KB
L2 Cache
768 KB
Theoretical Performance
6.840 GPixel/s
Pixel Rate
32.00 GPixel/s
17.10 GTexel/s
Texture Rate
128.0 GTexel/s
547.2 GFLOPS
FP32 (float)
4.096 TFLOPS
-
FP64 (double)
1024 GFLOPS
Board Design
50W
TDP
375W
250 W
Suggested PSU
750 W
No outputs
Outputs
6x mini-DisplayPort 1.2
None
Power Connectors
3x 8-pin
Graphics Processor
Hainan
GPU Name
Tahiti
-
GPU Variant
Tahiti XTL
(215-0821065)
(215-0821065)
GCN 1.0
Architecture
GCN 1.0
TSMC
Foundry
TSMC
28 nm
Process Size
28 nm
0.69 billion
Transistors
4.313 billion
56 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
