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Radeon HD 6450 and GeForce RTX 4090 - video card comparison


Passmark - benchmark score Radeon HD 6450 vs GeForce RTX 4090

Radeon HD 6450
203
GeForce RTX 4090
39777

Radeon HD 6450

GeForce RTX 4090


Architecture
TeraScale 2 (2009−2015)
Ada Lovelace

GPU code name
Caicos
AD102-300-A1

Market segment
Desktop
Desktop

Release date
April 2011
September 2022

Bus support
PCIe 2.0 x8
-

Interface
PCIe 2.0 x16
PCIe 4.0 x16

Supplementary power connectors
None
1x 16-pin

Boost clock speed
750 MHz
2520 MHz

Core clock speed
-
2235 MHz

Floating-point performance
200.0 gflops
-

Manufacturing process technology
40 nm
5 nm

Number of transistors
370 million
76,300 million

Pipelines / CUDA cores
160
16384

Power consumption (TDP)
30 Watt
450 Watt

Texture fill rate
5.000
1,290

Memory type
GDDR5
GDDR6X

Maximum RAM amount
1 GB
24 GB

Memory bus width
64 Bit
384 Bit

Memory clock speed
800 MHz
21000 MHz

Memory bandwidth
25.6 GB/s
1,008 GB/s

Memory bandwidth
8.5-12.8 GB/x (DDR3) or 25.6-28.8 GB/s (GDDR5)
-

Shared memory
-
-

Display Connectors
1x DVI, 1x HDMI, 1x VGA
1x HDMI 2.1, 3x DisplayPort 1.4a

Eyefinity
1
-

Number of Eyefinity displays
4
-

HDMI
+
+

DisplayPort support
+
-

DirectX
DirectX® 11
12 Ultimate (12_2)

CUDA
-
8.9

Mantle
-
-

OpenCL
1.2
3.0

OpenGL
4.4
4.6

Shader Model
5.0
6.6

Vulkan
-
1.3

AppAcceleration
-
-

CrossFire
1
-

Enduro
-
-

HD3D
-
-

PowerTune
-
-

TrueAudio
-
-

ZeroCore
-
-