Home GPU Comparison NVIDIA GeForce GTX 645 OEM vs NVIDIA CMP 170HX

NVIDIA GeForce GTX 645 OEM vs NVIDIA CMP 170HX

We compared two Desktop platform GPUs: 1024MB VRAM GeForce GTX 645 OEM and 16GB VRAM CMP 170HX to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 645 OEM 's Advantages
Lower TDP (65W vs 250W)
NVIDIA CMP 170HX 's Advantages
Released 8 years and 5 months late
Boost Clock1410MHz
More VRAM (16GB vs 1024GB)
Larger VRAM bandwidth (1493GB/s vs 64.00GB/s)
3904 additional rendering cores

Score

Benchmark

FP32 (float)
GeForce GTX 645 OEM
0.949 TFLOPS
CMP 170HX +1230%
12.63 TFLOPS
VS

Graphics Card

Apr 2013
Release Date
Sep 2021
GeForce 600
Generation
Mining GPUs
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 4.0 x4

Clock Speeds

-
Base Clock
1140 MHz
-
Boost Clock
1410 MHz
1000 MHz
Memory Clock
1458 MHz

Memory

1024MB
Memory Size
16GB
GDDR5
Memory Type
HBM2e
128bit
Memory Bus
4096bit
64.00GB/s
Bandwidth
1493GB/s

Render Config

-
-
-
-
SM Count
70
576
Shading Units
4480
48
TMUs
280
16
ROPs
128
-
Tensor Cores
280
-
-
-
16 KB (per SMX)
L1 Cache
192 KB (per SM)
256 KB
L2 Cache
8 MB
-
-
-

Theoretical Performance

9.888 GPixel/s
Pixel Rate
180.5 GPixel/s
39.55 GTexel/s
Texture Rate
394.8 GTexel/s
-
FP16 (half)
50.53 TFLOPS
949.2 GFLOPS
FP32 (float)
12.63 TFLOPS
39.55 GFLOPS
FP64 (double)
6.317 TFLOPS

Board Design

65W
TDP
250W
250 W
Suggested PSU
600 W
1x DVI 1x HDMI 1.4a 1x DisplayPort 1.2
Outputs
No outputs
None
Power Connectors
2x 8-pin

Graphics Processor

GK106
GPU Name
GA100
GK106-200-A1
GPU Variant
GA100-105F-A1
Kepler
Architecture
Ampere
TSMC
Foundry
TSMC
28 nm
Process Size
7 nm
2.54 billion
Transistors
54.2 billion
221 mm²
Die Size
826 mm²

Graphics Features

12 (11_0)
DirectX
N/A
4.6
OpenGL
N/A
3.0
OpenCL
3.0
1.1
Vulkan
N/A
3.0
CUDA
8.0
5.1
Shader Model
N/A

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