Home GPU Comparison NVIDIA GeForce GTX 645 OEM vs NVIDIA GeForce GT 645 OEM

NVIDIA GeForce GTX 645 OEM vs NVIDIA GeForce GT 645 OEM

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

Main Differences

NVIDIA GeForce GTX 645 OEM 's Advantages
Released 1 years late
288 additional rendering cores
Lower TDP (65W vs 102W)
NVIDIA GeForce GT 645 OEM 's Advantages
Larger VRAM bandwidth (91.87GB/s vs 64.00GB/s)

Score

Benchmark

FP32 (float)
GeForce GTX 645 OEM +6%
0.949 TFLOPS
GeForce GT 645 OEM
0.894 TFLOPS
VS

Graphics Card

Apr 2013
Release Date
Apr 2012
GeForce 600
Generation
GeForce 600
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 2.0 x16

Clock Speeds

-
-
-
-
-
-
1000 MHz
Memory Clock
957 MHz

Memory

1024MB
Memory Size
1024MB
GDDR5
Memory Type
GDDR5
128bit
Memory Bus
192bit
64.00GB/s
Bandwidth
91.87GB/s

Render Config

-
-
-
-
SM Count
6
576
Shading Units
288
48
TMUs
48
16
ROPs
24
-
-
-
-
-
-
16 KB (per SMX)
L1 Cache
64 KB (per SM)
256 KB
L2 Cache
384 KB
-
-
-

Theoretical Performance

9.888 GPixel/s
Pixel Rate
9.312 GPixel/s
39.55 GTexel/s
Texture Rate
37.25 GTexel/s
-
-
-
949.2 GFLOPS
FP32 (float)
894.0 GFLOPS
39.55 GFLOPS
FP64 (double)
74.50 GFLOPS

Board Design

65W
TDP
102W
250 W
Suggested PSU
300 W
1x DVI 1x HDMI 1.4a 1x DisplayPort 1.2
Outputs
2x DVI 1x mini-HDMI 1.3a
None
Power Connectors
-

Graphics Processor

GK106
GPU Name
GF114
GK106-200-A1
GPU Variant
-
Kepler
Architecture
Fermi 2.0
TSMC
Foundry
TSMC
28 nm
Process Size
40 nm
2.54 billion
Transistors
1.95 billion
221 mm²
Die Size
332 mm²

Graphics Features

12 (11_0)
DirectX
12 (11_0)
4.6
OpenGL
4.6
3.0
OpenCL
1.1
1.1
Vulkan
N/A
3.0
CUDA
2.1
5.1
Shader Model
5.1

Related GPU Comparisons

Related News

© 2024 - TopCPU.net   Contact Us Privacy Policy