Product Compare

AMD Radeon HD 6870 1600SP Edition vs NVIDIA GeForce GTX 1660

GPU GPU
Graphics Card
Release Date Jan 2013 Mar 2019
Generation Northern Islands GeForce 16
Type Desktop Desktop
Bus Interface PCIe 2.0 x16 PCIe 3.0 x16
Clock Speeds
Memory Clock 1050 MHz 2001 MHz
Base Clock 1530 MHz
Boost Clock 1785 MHz
Memory
Memory Size 1024MB 6GB
Memory Type GDDR5 GDDR5
Memory Bus 256bit 192bit
Bandwidth 134.4GB/s 192.1GB/s
Render Config
Compute Units 20
Shading Units 1600 1408
TMUs 80 88
ROPs 32 48
L1 Cache 8 KB (per CU) 64 KB (per SM)
L2 Cache 512 KB 1536 KB
SM Count 22
Theoretical Performance
Pixel Rate 27.20 GPixel/s 85.68 GPixel/s
Texture Rate 68.00 GTexel/s 157.1 GTexel/s
FP32 (float) 2.720 TFLOPS 5.027 TFLOPS
FP64 (double) 544.0 GFLOPS 157.1 GFLOPS
FP16 (half) 10.05 TFLOPS
Graphics Processor
GPU Name Cypress TU116
GPU Variant Cypress XT(215-0735033) TU116-300-A1
Architecture TeraScale 2 Turing
Foundry TSMC TSMC
Process Size 40 nm 12 nm
Transistors 2.154 billion 6.6 billion
Die Size 334 mm² 284 mm²
Board Design
TDP 175W 120W
Suggested PSU 450 W 300 W
Outputs 2x DVI1x HDMI 1.3a2x mini-DisplayPort 1.1 1x DVI1x HDMI 2.01x DisplayPort 1.4a
Power Connectors 2x 6-pin 1x 8-pin
Graphics Features
DirectX 11.2 (11_0) 12 (12_1)
OpenGL 4.4 4.6
OpenCL 1.2 3.0
Vulkan N/A 1.3
Shader Model 5.0 6.6
CUDA 7.5