NVIDIA GeForce GTX 950 Low Power vs AMD Radeon R9 390 X2
We compared two Desktop platform GPUs: 2GB VRAM GeForce GTX 950 Low Power and 8GB VRAM Radeon R9 390 X2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
NVIDIA GeForce GTX 950 Low Power 's Advantages
Released 6 months late
Boost Clock1190MHz
Lower TDP (75W vs 580W)
AMD Radeon R9 390 X2 's Advantages
More VRAM (8GB vs 2GB)
Larger VRAM bandwidth (345.6GB/s vs 105.8GB/s)
1792 additional rendering cores
Score
Benchmark
FP32 (float)
GeForce GTX 950 Low Power
1.828 TFLOPS
Radeon R9 390 X2
+180%
5.12 TFLOPS
Graphics Card
Mar 2016
Release Date
Sep 2015
GeForce 900
Generation
Pirate Islands
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 3.0 x16
Clock Speeds
1026 MHz
Base Clock
-
1190 MHz
Boost Clock
-
1653 MHz
Memory Clock
1350 MHz
Memory
2GB
Memory Size
8GB
GDDR5
Memory Type
GDDR5
128bit
Memory Bus
512bit
105.8GB/s
Bandwidth
345.6GB/s
Render Config
-
Compute Units
40
-
-
-
768
Shading Units
2560
48
TMUs
160
32
ROPs
64
-
-
-
-
-
-
48 KB (per SMM)
L1 Cache
16 KB (per CU)
1024 KB
L2 Cache
1024 KB
-
-
-
Theoretical Performance
38.08 GPixel/s
Pixel Rate
64.00 GPixel/s
57.12 GTexel/s
Texture Rate
160.0 GTexel/s
-
-
-
1.828 TFLOPS
FP32 (float)
5.120 TFLOPS
57.12 GFLOPS
FP64 (double)
640.0 GFLOPS
Board Design
75W
TDP
580W
250 W
Suggested PSU
950 W
1x DVI
1x HDMI 2.0
3x DisplayPort 1.4a
Outputs
2x DVI
1x HDMI 1.4a
1x DisplayPort 1.2
None
Power Connectors
4x 8-pin
Graphics Processor
GM206
GPU Name
Grenada
GM206-251-A1
GPU Variant
Grenada PRO
(215-0880030)
Maxwell 2.0
Architecture
GCN 2.0
TSMC
Foundry
TSMC
28 nm
Process Size
28 nm
2.94 billion
Transistors
6.2 billion
228 mm²
Die Size
438 mm²
Graphics Features
12 (12_1)
DirectX
12 (12_0)
4.6
OpenGL
4.6
3.0
OpenCL
2.0
1.3
Vulkan
1.2
5.2
CUDA
-
6.4
Shader Model
6.3
