AMD Radeon R9 390 vs NVIDIA GeForce GTX 950 Low Power
GPU Specs Compare
Graphics Card
Release Date
Jun 2015
Mar 2016
Generation
Pirate Islands
GeForce 900
Type
Desktop
Desktop
Bus Interface
PCIe 3.0 x16
PCIe 3.0 x16
Clock Speeds
Memory Clock
1500 MHz
1653 MHz
Base Clock
-
1026 MHz
Boost Clock
-
1190 MHz
Memory
Memory Size
8GB
2GB
Memory Type
GDDR5
GDDR5
Memory Bus
512bit
128bit
Bandwidth
384.0GB/s
105.8GB/s
Render Config
Compute Units
40
-
Shading Units
2560
768
TMUs
160
48
ROPs
64
32
L1 Cache
16 KB (per CU)
48 KB (per SMM)
L2 Cache
1024 KB
1024 KB
Theoretical Performance
Pixel Rate
64.00 GPixel/s
38.08 GPixel/s
Texture Rate
160.0 GTexel/s
57.12 GTexel/s
FP32 (float)
5.120 TFLOPS
1.828 TFLOPS
FP64 (double)
640.0 GFLOPS
57.12 GFLOPS
Graphics Processor
GPU Name
Grenada
GM206
GPU Variant
Grenada PRO(215-0880030)
GM206-251-A1
Architecture
GCN 2.0
Maxwell 2.0
Foundry
TSMC
TSMC
Process Size
28 nm
28 nm
Transistors
6.2 billion
2.94 billion
Die Size
438 mm²
228 mm²
Board Design
TDP
275W
75W
Suggested PSU
600 W
250 W
Outputs
2x DVI1x HDMI 1.4a1x DisplayPort 1.2
1x DVI1x HDMI 2.03x DisplayPort 1.4a
Power Connectors
1x 6-pin + 1x 8-pin
None
Graphics Features
DirectX
12 (12_0)
12 (12_1)
OpenGL
4.6
4.6
OpenCL
2.0
3.0
Vulkan
1.2
1.3
Shader Model
6.3
6.4
CUDA
-
5.2
📊 Benchmark
3DMark Time Spy
3,964
-
3DMark Time Spy Extreme
1,931
-