NVIDIA GeForce GTX 980 Ti vs AMD Radeon 550
We compared two Desktop platform GPUs: 6GB VRAM GeForce GTX 980 Ti and 2GB VRAM Radeon 550 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
NVIDIA GeForce GTX 980 Ti 's Advantages
More VRAM (6GB vs 2GB)
Larger VRAM bandwidth (336.6GB/s vs 56.00GB/s)
2304 additional rendering cores
AMD Radeon 550 's Advantages
Released 1 years and 10 months late
Boost Clock has increased by 10% (1183MHz vs 1076MHz)
Lower TDP (50W vs 250W)
Score
Benchmark
FP32 (float)
GeForce GTX 980 Ti
+400%
6.06 TFLOPS
Radeon 550
1.211 TFLOPS
Graphics Card
Jun 2015
Release Date
Apr 2017
GeForce 900
Generation
Polaris
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 3.0 x8
Clock Speeds
1000 MHz
Base Clock
1100 MHz
1076 MHz
Boost Clock
1183 MHz
1753 MHz
Memory Clock
1750 MHz
Memory
6GB
Memory Size
2GB
GDDR5
Memory Type
GDDR5
384bit
Memory Bus
64bit
336.6GB/s
Bandwidth
56.00GB/s
Render Config
-
Compute Units
8
-
-
-
2816
Shading Units
512
176
TMUs
32
96
ROPs
16
-
-
-
-
-
-
48 KB (per SMM)
L1 Cache
16 KB (per CU)
3 MB
L2 Cache
256 KB
-
-
-
Theoretical Performance
103.3 GPixel/s
Pixel Rate
18.93 GPixel/s
189.4 GTexel/s
Texture Rate
37.86 GTexel/s
-
FP16 (half)
1211 GFLOPS
6.060 TFLOPS
FP32 (float)
1211 GFLOPS
189.4 GFLOPS
FP64 (double)
75.71 GFLOPS
Board Design
250W
TDP
50W
600 W
Suggested PSU
250 W
1x DVI
1x HDMI 2.0
3x DisplayPort 1.4a
Outputs
1x DVI
1x HDMI 2.0b
1x DisplayPort 1.4a
1x 6-pin + 1x 8-pin
Power Connectors
None
Graphics Processor
GM200
GPU Name
Lexa
GM200-310-A1
GPU Variant
Lexa PRO
(215-0904018)
Maxwell 2.0
Architecture
GCN 4.0
TSMC
Foundry
GlobalFoundries
28 nm
Process Size
14 nm
8 billion
Transistors
2.2 billion
601 mm²
Die Size
103 mm²
Graphics Features
12 (12_1)
DirectX
12 (12_0)
4.6
OpenGL
4.6
3.0
OpenCL
2.1
1.3
Vulkan
1.3
5.2
CUDA
-
6.4
Shader Model
6.7
