Home GPU Comparison NVIDIA GeForce GT 645 OEM vs AMD Radeon RX 6600

NVIDIA GeForce GT 645 OEM vs AMD Radeon RX 6600

We compared two Desktop platform GPUs: 1024MB VRAM GeForce GT 645 OEM and 8GB VRAM Radeon RX 6600 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GT 645 OEM 's Advantages
Lower TDP (102W vs 132W)
AMD Radeon RX 6600 's Advantages
Released 9 years and 6 months late
Boost Clock2491MHz
More VRAM (8GB vs 1GB)
Larger VRAM bandwidth (224.0GB/s vs 91.87GB/s)
1504 additional rendering cores

Score

Benchmark

FP32 (float)
GeForce GT 645 OEM
0.894 TFLOPS
Radeon RX 6600 +898%
8.928 TFLOPS
VS

Graphics Card

Apr 2012
Release Date
Oct 2021
GeForce 600
Generation
Navi II
Desktop
Type
Desktop
PCIe 2.0 x16
Bus Interface
PCIe 4.0 x8

Clock Speeds

-
Base Clock
1626 MHz
-
Boost Clock
2491 MHz
957 MHz
Memory Clock
1750 MHz

Memory

1024MB
Memory Size
8GB
GDDR5
Memory Type
GDDR6
192bit
Memory Bus
128bit
91.87GB/s
Bandwidth
224.0GB/s

Render Config

6
SM Count
-
-
Compute Units
28
288
Shading Units
1792
48
TMUs
112
24
ROPs
64
-
Tensor Cores
-
-
RT Cores
28
64 KB (per SM)
L1 Cache
128 KB per Array
384 KB
L2 Cache
2 MB

Theoretical Performance

9.312 GPixel/s
Pixel Rate
159.4 GPixel/s
37.25 GTexel/s
Texture Rate
279.0 GTexel/s
-
FP16 (half)
17.86 TFLOPS
894.0 GFLOPS
FP32 (float)
8.928 TFLOPS
74.50 GFLOPS
FP64 (double)
558.0 GFLOPS

Graphics Processor

GF114
GPU Name
Navi 23
-
GPU Variant
Navi 23 XL (215-130000016)
Fermi 2.0
Architecture
RDNA 2.0
TSMC
Foundry
TSMC
40 nm
Process Size
7 nm
1.95 billion
Transistors
11.06 billion
332 mm²
Die Size
237 mm²

Board Design

102W
TDP
132W
300 W
Suggested PSU
300 W
2x DVI 1x mini-HDMI 1.3a
Outputs
1x HDMI 2.1 3x DisplayPort 1.4a
-
Power Connectors
1x 8-pin

Graphics Features

12 (11_0)
DirectX
12 Ultimate (12_2)
4.6
OpenGL
4.6
1.1
OpenCL
2.1
N/A
Vulkan
1.3
2.1
CUDA
-
5.1
Shader Model
6.5

Related GPU Comparisons

Related News

© 2024 - TopCPU.net   Contact Us Privacy Policy