NVIDIA GeForce GTX 1660 vs AMD Radeon HD 7870 XT
We compared two Desktop platform GPUs: 6GB VRAM GeForce GTX 1660 and 2GB VRAM Radeon HD 7870 XT to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
NVIDIA GeForce GTX 1660 's Advantages
Released 6 years and 4 months late
Boost Clock has increased by 83% (1785MHz vs 975MHz)
More VRAM (6GB vs 2GB)
Larger VRAM bandwidth (192.1GB/s vs 192.0GB/s)
Lower TDP (120W vs 185W)
AMD Radeon HD 7870 XT 's Advantages
128 additional rendering cores
Score
Benchmark
FP32 (float)
GeForce GTX 1660
+67%
5.027 TFLOPS
Radeon HD 7870 XT
2.995 TFLOPS
3DMark Time Spy
GeForce GTX 1660
+207%
5444
Radeon HD 7870 XT
1773
3DMark Time Spy Extreme
GeForce GTX 1660
+600%
2465
Radeon HD 7870 XT
352
Graphics Card
Mar 2019
Release Date
Nov 2012
GeForce 16
Generation
Southern Islands
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 3.0 x16
Clock Speeds
1530 MHz
Base Clock
925 MHz
1785 MHz
Boost Clock
975 MHz
2001 MHz
Memory Clock
1500 MHz
Memory
6GB
Memory Size
2GB
GDDR5
Memory Type
GDDR5
192bit
Memory Bus
256bit
192.1GB/s
Bandwidth
192.0GB/s
Render Config
-
Compute Units
24
22
SM Count
-
1408
Shading Units
1536
88
TMUs
96
48
ROPs
32
-
-
-
-
-
-
64 KB (per SM)
L1 Cache
16 KB (per CU)
1536 KB
L2 Cache
512 KB
-
-
-
Theoretical Performance
85.68 GPixel/s
Pixel Rate
31.20 GPixel/s
157.1 GTexel/s
Texture Rate
93.60 GTexel/s
10.05 TFLOPS
FP16 (half)
-
5.027 TFLOPS
FP32 (float)
2.995 TFLOPS
157.1 GFLOPS
FP64 (double)
748.8 GFLOPS
Board Design
120W
TDP
185W
300 W
Suggested PSU
450 W
1x DVI
1x HDMI 2.0
1x DisplayPort 1.4a
Outputs
1x DVI
1x HDMI 1.4a
2x mini-DisplayPort 1.2
1x 8-pin
Power Connectors
2x 6-pin
Graphics Processor
TU116
GPU Name
Tahiti
TU116-300-A1
GPU Variant
Tahiti LE
(215-0821122)
Turing
Architecture
GCN 1.0
TSMC
Foundry
TSMC
12 nm
Process Size
28 nm
6.6 billion
Transistors
4.313 billion
284 mm²
Die Size
352 mm²
Graphics Features
12 (12_1)
DirectX
12 (11_1)
4.6
OpenGL
4.6
3.0
OpenCL
1.2
1.3
Vulkan
1.2
7.5
CUDA
-
6.6
Shader Model
5.1
