NVIDIA GeForce GTX 1660 vs AMD Radeon RX 8800 XT
We compared two Desktop platform GPUs: 6GB VRAM GeForce GTX 1660 and 16GB VRAM Radeon RX 8800 XT to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
NVIDIA GeForce GTX 1660 's Advantages
Lower TDP (120W vs 220W)
AMD Radeon RX 8800 XT 's Advantages
Boost Clock has increased by 36% (2430MHz vs 1785MHz)
More VRAM (16GB vs 6GB)
Larger VRAM bandwidth (624.1GB/s vs 192.1GB/s)
2688 additional rendering cores
Score
Benchmark
FP32 (float)
GeForce GTX 1660
5.027 TFLOPS
Radeon RX 8800 XT
+296%
19.91 TFLOPS
Graphics Card
Mar 2019
Release Date
Unknown
GeForce 16
Generation
Navi IV(RX 8000)
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 4.0 x16
Clock Speeds
1530 MHz
Base Clock
1295 MHz
1785 MHz
Boost Clock
2430 MHz
2001 MHz
Memory Clock
2438 MHz
Memory
6GB
Memory Size
16GB
GDDR5
Memory Type
GDDR6
192bit
Memory Bus
256bit
192.1GB/s
Bandwidth
624.1GB/s
Render Config
-
Compute Units
64
22
SM Count
-
1408
Shading Units
4096
88
TMUs
256
48
ROPs
96
-
-
-
-
RT Cores
64
64 KB (per SM)
L1 Cache
128 KB per Array
1536 KB
L2 Cache
4 MB
-
L3 Cache
64 MB
Theoretical Performance
85.68 GPixel/s
Pixel Rate
233.3 GPixel/s
157.1 GTexel/s
Texture Rate
622.1 GTexel/s
10.05 TFLOPS
FP16 (half)
39.81 TFLOPS
5.027 TFLOPS
FP32 (float)
19.91 TFLOPS
157.1 GFLOPS
FP64 (double)
622.1 GFLOPS
Board Design
120W
TDP
220W
300 W
Suggested PSU
550 W
1x DVI
1x HDMI 2.0
1x DisplayPort 1.4a
Outputs
1x HDMI 2.1a3x DisplayPort 2.1
1x 8-pin
Power Connectors
2x 8-pin
Graphics Processor
TU116
GPU Name
Navi 48
TU116-300-A1
GPU Variant
Navi 48 XT
Turing
Architecture
RDNA 4.0
TSMC
Foundry
TSMC
12 nm
Process Size
4 nm
6.6 billion
Transistors
Unknown
284 mm²
Die Size
Unknown
Graphics Features
12 (12_1)
DirectX
12 Ultimate (12_2)
4.6
OpenGL
4.6
3.0
OpenCL
2.2
1.3
Vulkan
1.3
7.5
CUDA
-
6.6
Shader Model
6.8
