Home GPU Comparison NVIDIA GeForce GTX 645 OEM vs AMD Radeon RX 560 XT

NVIDIA GeForce GTX 645 OEM vs AMD Radeon RX 560 XT

We compared two Desktop platform GPUs: 1024MB VRAM GeForce GTX 645 OEM and 4GB VRAM Radeon RX 560 XT 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 150W)
AMD Radeon RX 560 XT 's Advantages
Released 5 years and 11 months late
Boost Clock1226MHz
More VRAM (4GB vs 1024GB)
Larger VRAM bandwidth (224.0GB/s vs 64.00GB/s)
1216 additional rendering cores

Score

Benchmark

FP32 (float)
GeForce GTX 645 OEM
0.949 TFLOPS
Radeon RX 560 XT +363%
4.394 TFLOPS
VS

Graphics Card

Apr 2013
Release Date
Mar 2019
GeForce 600
Generation
Polaris
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 3.0 x16

Clock Speeds

-
Base Clock
1074 MHz
-
Boost Clock
1226 MHz
1000 MHz
Memory Clock
1750 MHz

Memory

1024MB
Memory Size
4GB
GDDR5
Memory Type
GDDR5
128bit
Memory Bus
256bit
64.00GB/s
Bandwidth
224.0GB/s

Render Config

-
Compute Units
28
-
-
-
576
Shading Units
1792
48
TMUs
112
16
ROPs
32
-
-
-
-
-
-
16 KB (per SMX)
L1 Cache
16 KB (per CU)
256 KB
L2 Cache
2 MB
-
-
-

Theoretical Performance

9.888 GPixel/s
Pixel Rate
39.23 GPixel/s
39.55 GTexel/s
Texture Rate
137.3 GTexel/s
-
FP16 (half)
4.394 TFLOPS
949.2 GFLOPS
FP32 (float)
4.394 TFLOPS
39.55 GFLOPS
FP64 (double)
274.6 GFLOPS

Board Design

65W
TDP
150W
250 W
Suggested PSU
450 W
1x DVI 1x HDMI 1.4a 1x DisplayPort 1.2
Outputs
1x HDMI 2.0b 3x DisplayPort 1.4a
None
Power Connectors
1x 6-pin

Graphics Processor

GK106
GPU Name
Ellesmere
GK106-200-A1
GPU Variant
Polaris 10 LE1
Kepler
Architecture
GCN 4.0
TSMC
Foundry
GlobalFoundries
28 nm
Process Size
14 nm
2.54 billion
Transistors
5.7 billion
221 mm²
Die Size
232 mm²

Graphics Features

12 (11_0)
DirectX
12 (12_0)
4.6
OpenGL
4.6
3.0
OpenCL
2.1
1.1
Vulkan
1.2
3.0
CUDA
-
5.1
Shader Model
6.4

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