NVIDIA GeForce GTX 1080 Ti vs AMD Radeon R9 270 1024SP
GPU Specs Compare
Graphics Card
Release Date
Mar 2017
Mar 2015
Generation
GeForce 10
Volcanic Islands
Type
Desktop
Desktop
Bus Interface
PCIe 3.0 x16
PCIe 3.0 x16
Clock Speeds
Base Clock
1481 MHz
900 MHz
Boost Clock
1582 MHz
925 MHz
Memory Clock
1376 MHz
1200 MHz
Memory
Memory Size
11GB
2GB
Memory Type
GDDR5X
GDDR5
Memory Bus
352bit
256bit
Bandwidth
484.4GB/s
153.6GB/s
Render Config
SM Count
28
-
Shading Units
3584
1024
TMUs
224
64
ROPs
88
32
L1 Cache
48 KB (per SM)
16 KB (per CU)
L2 Cache
0 MB
512 KB
Compute Units
-
16
Theoretical Performance
Pixel Rate
139.2 GPixel/s
29.60 GPixel/s
Texture Rate
354.4 GTexel/s
59.20 GTexel/s
FP16 (half)
177.2 GFLOPS
-
FP32 (float)
11.34 TFLOPS
1.894 TFLOPS
FP64 (double)
354.4 GFLOPS
118.4 GFLOPS
Graphics Processor
GPU Name
GP102
Pitcairn
GPU Variant
GP102-350-K1-A1
Pitcairn PRO(215-0828062)
Architecture
Pascal
GCN 1.0
Foundry
TSMC
TSMC
Process Size
16 nm
28 nm
Transistors
11.8 billion
2.8 billion
Die Size
471 mm²
212 mm²
Board Design
TDP
250W
150W
Suggested PSU
600 W
450 W
Outputs
1x HDMI 2.03x DisplayPort 1.4a
2x DVI1x HDMI 1.4a1x DisplayPort 1.2
Power Connectors
1x 6-pin + 1x 8-pin
1x 6-pin
Graphics Features
DirectX
12 (12_1)
12 (11_1)
OpenGL
4.6
4.6
OpenCL
3.0
1.2
Vulkan
1.4
1.2
CUDA
6.1
-
Shader Model
6.8
5.1