Radeon RX 6400 vs GeForce GTX 1660
We compared two Desktop platform GPUs: 4GB VRAM Radeon RX 6400 and 6GB VRAM GeForce GTX 1660 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
Radeon RX 6400 Advantages
Released 2 years and 10 months late
Boost Clock has increased by 30% (2321MHz vs 1785MHz)
Lower TDP (53W vs 120W)
GeForce GTX 1660 Advantages
More VRAM (6GB vs 4GB)
Larger VRAM bandwidth (192.1GB/s vs 128.0GB/s)
640 additional rendering cores
Score
Benchmark
FP32 (float)
Radeon RX 6400
3565
GeForce GTX 1660
+41%
5027
3DMark Time Spy
Radeon RX 6400
3585
GeForce GTX 1660
+51%
5444
3DMark Time Spy Extreme
Radeon RX 6400
1662
GeForce GTX 1660
+48%
2465
Blender
Radeon RX 6400
334
GeForce GTX 1660
+111%
705
Shadow of the Tomb Raider 2160p
Radeon RX 6400
8
GeForce GTX 1660
+200%
24
Shadow of the Tomb Raider 1440p
Radeon RX 6400
20
GeForce GTX 1660
+135%
47
Shadow of the Tomb Raider 1080p
Radeon RX 6400
35
GeForce GTX 1660
+108%
73
Battlefield 5 2160p
Radeon RX 6400
19
GeForce GTX 1660
+110%
40
Battlefield 5 1440p
Radeon RX 6400
36
GeForce GTX 1660
+102%
73
Battlefield 5 1080p
Radeon RX 6400
48
GeForce GTX 1660
+89%
91
Graphics Card
Jan 2022
Release Date
Mar 2019
Navi II
Generation
GeForce 16
Desktop
Type
Desktop
PCIe 4.0 x4
Bus Interface
PCIe 3.0 x16
Clock Speeds
1923 MHz
Base Clock
1530 MHz
2321 MHz
Boost Clock
1785 MHz
2000 MHz
Memory Clock
2001 MHz
Memory
4GB
Memory Size
6GB
GDDR6
Memory Type
GDDR5
64bit
Memory Bus
192bit
128.0GB/s
Bandwidth
192.1GB/s
Render Config
12
Compute Units
-
-
SM Count
22
768
Shading Units
1408
48
TMUs
88
32
ROPs
48
12
RT Cores
-
128 KB per Array
L1 Cache
64 KB (per SM)
1024 KB
L2 Cache
1536 KB
16 MB
L3 Cache
-
Theoretical Performance
74.27 GPixel/s
Pixel Rate
85.68 GPixel/s
111.4 GTexel/s
Texture Rate
157.1 GTexel/s
7.130 TFLOPS
FP16 (half)
10.05 TFLOPS
3.565 TFLOPS
FP32 (float)
5.027 TFLOPS
222.8 GFLOPS
FP64 (double)
157.1 GFLOPS
Board Design
53W
TDP
120W
250 W
Suggested PSU
300 W
1x HDMI 2.1
1x DisplayPort 1.4a
1x DisplayPort 1.4a
Outputs
1x DVI
1x HDMI 2.0
1x DisplayPort 1.4a
1x HDMI 2.0
1x DisplayPort 1.4a
None
Power Connectors
1x 8-pin
Graphics Processor
Navi 24
GPU Name
TU116
Navi 24 XL
(215-135000046)
(215-135000046)
GPU Variant
TU116-300-A1
RDNA 2.0
Architecture
Turing
TSMC
Foundry
TSMC
6 nm
Process Size
12 nm
5.4 billion
Transistors
6.6 billion
107 mm²
Die Size
284 mm²
Graphics Features
12 Ultimate (12_2)
DirectX
12 (12_1)
4.6
OpenGL
4.6
2.2
OpenCL
3.0
1.3
Vulkan
1.3
-
CUDA
7.5
6.7
Shader Model
6.6
