NVIDIA GeForce GTX 1660 Ti vs NVIDIA RTX PRO 4000 Blackwell SFF

GPU Specs Compare

Graphics Card

Release Date
Feb 2019
Aug 2025
Generation
GeForce 16
Blackwell PRO W
Type
Desktop
Desktop
Bus Interface
PCIe 3.0 x16
PCIe 5.0 x8

Clock Speeds

Base Clock
1500 MHz
577 MHz
Boost Clock
1770 MHz
1432 MHz
Memory Clock
1500 MHz
1125 MHz

Memory

Memory Size
6GB
24GB
Memory Type
GDDR6
GDDR7
Memory Bus
192bit
192bit
Bandwidth
288.0GB/s
432.0GB/s

Render Config

SM Count
24
70
Shading Units
1536
8960
TMUs
96
280
ROPs
48
96
L1 Cache
64 KB (per SM)
128 KB (per SM)
L2 Cache
1536 KB
48 MB
Tensor Cores
-
280
RT Cores
-
70

Theoretical Performance

Pixel Rate
84.96 GPixel/s
137.5 GPixel/s
Texture Rate
169.9 GTexel/s
401.0 GTexel/s
FP16 (half)
10.87 TFLOPS
25.66 TFLOPS
FP32 (float)
5.437 TFLOPS
25.66 TFLOPS
FP64 (double)
169.9 GFLOPS
401.0 GFLOPS

Graphics Processor

GPU Name
TU116
GB203
GPU Variant
TU116-400-A1
-
Architecture
Turing
Blackwell 2.0
Foundry
TSMC
TSMC
Process Size
12 nm
5 nm
Transistors
6.6 billion
45.6 billion
Die Size
284 mm²
378 mm²

Board Design

TDP
120W
70W
Suggested PSU
300 W
250 W
Outputs
1x DVI1x HDMI 2.01x DisplayPort 1.4a
4x mini-DisplayPort 2.1b
Power Connectors
1x 8-pin
None

Graphics Features

DirectX
12 (12_1)
12 Ultimate (12_2)
OpenGL
4.6
4.6
OpenCL
3.0
3.0
Vulkan
1.3
1.4
CUDA
7.5
12.0
Shader Model
6.6
6.8

📊 Benchmark

3DMark Time Spy
6,346
-
3DMark Time Spy Extreme
2,883
-
OctaneBench
126
-
Battlefield 5 1080p
103
-
Shadow of the Tomb Raider 2160p
28
-
Shadow of the Tomb Raider 1440p
52
-
Shadow of the Tomb Raider 1080p
80
-
Battlefield 5 2160p
44
-
Blender
817
-
Battlefield 5 1440p
80
-
GTA 5 2160p
60
-
GTA 5 1440p
62
-
GTA 5 1080p
154
-