Product Compare

NVIDIA GeForce GTX 1660 vs AMD Radeon HD 7870 XT

GPU GPU
Graphics Card
Release Date Mar 2019 Nov 2012
Generation GeForce 16 Southern Islands
Type Desktop Desktop
Bus Interface PCIe 3.0 x16 PCIe 3.0 x16
Clock Speeds
Base Clock 1530 MHz 925 MHz
Boost Clock 1785 MHz 975 MHz
Memory Clock 2001 MHz 1500 MHz
Memory
Memory Size 6GB 2GB
Memory Type GDDR5 GDDR5
Memory Bus 192bit 256bit
Bandwidth 192.1GB/s 192.0GB/s
Render Config
SM Count 22
Shading Units 1408 1536
TMUs 88 96
ROPs 48 32
L1 Cache 64 KB (per SM) 16 KB (per CU)
L2 Cache 1536 KB 512 KB
Compute Units 24
Theoretical Performance
Pixel Rate 85.68 GPixel/s 31.20 GPixel/s
Texture Rate 157.1 GTexel/s 93.60 GTexel/s
FP16 (half) 10.05 TFLOPS
FP32 (float) 5.027 TFLOPS 2.995 TFLOPS
FP64 (double) 157.1 GFLOPS 748.8 GFLOPS
Graphics Processor
GPU Name TU116 Tahiti
GPU Variant TU116-300-A1 Tahiti LE(215-0821122)
Architecture Turing GCN 1.0
Foundry TSMC TSMC
Process Size 12 nm 28 nm
Transistors 6.6 billion 4.313 billion
Die Size 284 mm² 352 mm²
Board Design
TDP 120W 185W
Suggested PSU 300 W 450 W
Outputs 1x DVI1x HDMI 2.01x DisplayPort 1.4a 1x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2
Power Connectors 1x 8-pin 2x 6-pin
Graphics Features
DirectX 12 (12_1) 12 (11_1)
OpenGL 4.6 4.6
OpenCL 3.0 1.2
Vulkan 1.3 1.2
CUDA 7.5
Shader Model 6.6 5.1