NVIDIA GeForce GTX 1660 vs AMD Radeon HD 6870
We compared two Desktop platform GPUs: 6GB VRAM GeForce GTX 1660 and 1024MB VRAM Radeon HD 6870 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
NVIDIA GeForce GTX 1660 's Advantages
Released 8 years and 5 months late
Boost Clock1785MHz
More VRAM (6GB vs 1024GB)
Larger VRAM bandwidth (192.1GB/s vs 134.4GB/s)
288 additional rendering cores
Lower TDP (120W vs 151W)
Score
Benchmark
FP32 (float)
GeForce GTX 1660
+149%
5.027 TFLOPS
Radeon HD 6870
2.016 TFLOPS
Graphics Card
Mar 2019
Release Date
Oct 2010
GeForce 16
Generation
Northern Islands
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 2.0 x16
Clock Speeds
1530 MHz
Base Clock
-
1785 MHz
Boost Clock
-
2001 MHz
Memory Clock
1050 MHz
Memory
6GB
Memory Size
1024MB
GDDR5
Memory Type
GDDR5
192bit
Memory Bus
256bit
192.1GB/s
Bandwidth
134.4GB/s
Render Config
-
Compute Units
14
22
SM Count
-
1408
Shading Units
1120
88
TMUs
56
48
ROPs
32
-
-
-
-
-
-
64 KB (per SM)
L1 Cache
8 KB (per CU)
1536 KB
L2 Cache
512 KB
-
-
-
Theoretical Performance
85.68 GPixel/s
Pixel Rate
28.80 GPixel/s
157.1 GTexel/s
Texture Rate
50.40 GTexel/s
10.05 TFLOPS
FP16 (half)
-
5.027 TFLOPS
FP32 (float)
2.016 TFLOPS
157.1 GFLOPS
FP64 (double)
-
Board Design
120W
TDP
151W
300 W
Suggested PSU
450 W
1x DVI
1x HDMI 2.0
1x DisplayPort 1.4a
Outputs
2x DVI
1x HDMI 1.3a
2x mini-DisplayPort 1.1
1x 8-pin
Power Connectors
2x 6-pin
Graphics Processor
TU116
GPU Name
Barts
TU116-300-A1
GPU Variant
Barts XT
(215-0798000)
Turing
Architecture
TeraScale 2
TSMC
Foundry
TSMC
12 nm
Process Size
40 nm
6.6 billion
Transistors
1.7 billion
284 mm²
Die Size
255 mm²
Graphics Features
12 (12_1)
DirectX
11.2 (11_0)
4.6
OpenGL
4.4
3.0
OpenCL
1.2
1.3
Vulkan
N/A
7.5
CUDA
-
6.6
Shader Model
5.0
