AMD Radeon HD 6850 X2 vs NVIDIA GeForce GTX 1660
GPU · Specs Compare
Graphics Card
Release Date
Sep 2011
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
2GB
6GB
Memory Type
GDDR5
GDDR5
Memory Bus
256bit
192bit
Bandwidth
134.4GB/s
192.1GB/s
Render Config
Compute Units
12
—
Shading Units
960
1408
TMUs
48
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
25.60 GPixel/s
85.68 GPixel/s
Texture Rate
38.40 GTexel/s
157.1 GTexel/s
FP32 (float)
1.536 TFLOPS
5.027 TFLOPS
FP16 (half)
—
10.05 TFLOPS
FP64 (double)
—
157.1 GFLOPS
Graphics Processor
GPU Name
Barts
TU116
GPU Variant
Barts PRO(215-0798006)
TU116-300-A1
Architecture
TeraScale 2
Turing
Foundry
TSMC
TSMC
Process Size
40 nm
12 nm
Transistors
1.7 billion
6.6 billion
Die Size
255 mm²
284 mm²
Board Design
TDP
254W
120W
Suggested PSU
600 W
300 W
Outputs
2x DVI1x HDMI 1.3a1x DisplayPort 1.1
1x DVI1x HDMI 2.01x DisplayPort 1.4a
Power Connectors
2x 8-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
Benchmark
3DMark Time Spy
—
5,444
3DMark Time Spy Extreme
—
2,465
▲ Specs Compare
Data sourced from official specifications and benchmark tests.