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GPU Comparison
AMD Radeon R9 390 vs NVIDIA GeForce GTX 950
AMD Radeon R9 390 vs NVIDIA GeForce GTX 950
VS
AMD Radeon R9 390
NVIDIA GeForce GTX 950
We compared two Desktop platform GPUs: 8GB VRAM Radeon R9 390 and 2GB VRAM GeForce GTX 950 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon R9 390 's Advantages
More VRAM (8GB vs 2GB)
Larger VRAM bandwidth (384.0GB/s vs 105.8GB/s)
1792 additional rendering cores
NVIDIA GeForce GTX 950 's Advantages
Boost Clock1188MHz
Lower TDP (90W vs 275W)
Score
Benchmark
FP32 (float)
Radeon R9 390
+180%
5.12 TFLOPS
GeForce GTX 950
1.825 TFLOPS
3DMark Time Spy
Radeon R9 390
+111%
3953
GeForce GTX 950
1869
Radeon R9 390
VS
GeForce GTX 950
Graphics Card
Jun 2015
Release Date
Aug 2015
Pirate Islands
Generation
GeForce 900
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 3.0 x16
Clock Speeds
-
Base Clock
1024 MHz
-
Boost Clock
1188 MHz
1500 MHz
Memory Clock
1653 MHz
Memory
8GB
Memory Size
2GB
GDDR5
Memory Type
GDDR5
512bit
Memory Bus
128bit
384.0GB/s
Bandwidth
105.8GB/s
Render Config
-
SM Count
-
40
Compute Units
-
2560
Shading Units
768
160
TMUs
48
64
ROPs
32
-
Tensor Cores
-
-
RT Cores
-
16 KB (per CU)
L1 Cache
48 KB (per SMM)
1024 KB
L2 Cache
1024 KB
Theoretical Performance
64.00 GPixel/s
Pixel Rate
38.02 GPixel/s
160.0 GTexel/s
Texture Rate
57.02 GTexel/s
-
FP16 (half)
-
5.120 TFLOPS
FP32 (float)
1.825 TFLOPS
640.0 GFLOPS
FP64 (double)
57.02 GFLOPS
Graphics Processor
Grenada
GPU Name
GM206
Grenada PRO (215-0880030)
GPU Variant
GM206-250-A1
GCN 2.0
Architecture
Maxwell 2.0
TSMC
Foundry
TSMC
28 nm
Process Size
28 nm
6.2 billion
Transistors
2.94 billion
438 mm²
Die Size
228 mm²
Board Design
275W
TDP
90W
600 W
Suggested PSU
250 W
2x DVI 1x HDMI 1.4a 1x DisplayPort 1.2
Outputs
1x DVI 1x HDMI 2.0 3x DisplayPort 1.4a
1x 6-pin + 1x 8-pin
Power Connectors
1x 6-pin
Graphics Features
12 (12_0)
DirectX
12 (12_1)
4.6
OpenGL
4.6
2.0
OpenCL
3.0
1.2
Vulkan
1.3
-
CUDA
5.2
6.3
Shader Model
6.4
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8
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9
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