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GPU Comparison
AMD Radeon R9 390 X2 vs AMD Radeon R5 330 OEM
AMD Radeon R9 390 X2 vs AMD Radeon R5 330 OEM
VS
AMD Radeon R9 390 X2
AMD Radeon R5 330 OEM
We compared two Desktop platform GPUs: 8GB VRAM Radeon R9 390 X2 and 2GB VRAM Radeon R5 330 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon R9 390 X2 's Advantages
More VRAM (8GB vs 2GB)
Larger VRAM bandwidth (345.6GB/s vs 14.40GB/s)
2240 additional rendering cores
AMD Radeon R5 330 OEM 's Advantages
Boost Clock855MHz
Lower TDP (50W vs 580W)
Score
Benchmark
FP32 (float)
Radeon R9 390 X2
+836%
5.12 TFLOPS
Radeon R5 330 OEM
0.547 TFLOPS
Radeon R9 390 X2
VS
Radeon R5 330 OEM
Graphics Card
Sep 2015
Release Date
May 2015
Pirate Islands
Generation
Pirate Islands
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 3.0 x8
Clock Speeds
-
Base Clock
830 MHz
-
Boost Clock
855 MHz
1350 MHz
Memory Clock
900 MHz
Memory
8GB
Memory Size
2GB
GDDR5
Memory Type
DDR3
512bit
Memory Bus
64bit
345.6GB/s
Bandwidth
14.40GB/s
Render Config
-
SM Count
-
40
Compute Units
5
2560
Shading Units
320
160
TMUs
20
64
ROPs
8
-
Tensor Cores
-
-
RT Cores
-
16 KB (per CU)
L1 Cache
16 KB (per CU)
1024 KB
L2 Cache
128 KB
Theoretical Performance
64.00 GPixel/s
Pixel Rate
6.840 GPixel/s
160.0 GTexel/s
Texture Rate
17.10 GTexel/s
-
FP16 (half)
-
5.120 TFLOPS
FP32 (float)
547.2 GFLOPS
640.0 GFLOPS
FP64 (double)
-
Graphics Processor
Grenada
GPU Name
Hainan
Grenada PRO (215-0880030)
GPU Variant
-
GCN 2.0
Architecture
GCN 1.0
TSMC
Foundry
TSMC
28 nm
Process Size
28 nm
6.2 billion
Transistors
0.69 billion
438 mm²
Die Size
56 mm²
Board Design
580W
TDP
50W
950 W
Suggested PSU
250 W
2x DVI 1x HDMI 1.4a 1x DisplayPort 1.2
Outputs
No outputs
4x 8-pin
Power Connectors
None
Graphics Features
12 (12_0)
DirectX
12 (11_1)
4.6
OpenGL
4.6
2.0
OpenCL
1.2
1.2
Vulkan
1.2
-
CUDA
-
6.3
Shader Model
5.1
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9
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