AMD Radeon RX 6400 vs AMD Radeon R7 450 OEM

Comparative analysis of AMD Radeon RX 6400 and AMD Radeon R7 450 OEM videocards for all known characteristics in the following categories: Essentials, Technical info, Video outputs and ports, Compatibility, dimensions and requirements, API support, Memory. Benchmark videocards performance analysis: PassMark - G2D Mark, PassMark - G3D Mark, 3DMark Fire Strike - Graphics Score, Geekbench - OpenCL, CompuBench 1.5 Desktop - Face Detection (mPixels/s), CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s), CompuBench 1.5 Desktop - T-Rex (Frames/s), CompuBench 1.5 Desktop - Video Composition (Frames/s), CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s), GFXBench 4.0 - Car Chase Offscreen (Frames), GFXBench 4.0 - Manhattan (Frames), GFXBench 4.0 - T-Rex (Frames), GFXBench 4.0 - Car Chase Offscreen (Fps), GFXBench 4.0 - Manhattan (Fps), GFXBench 4.0 - T-Rex (Fps).

AMD Radeon RX 6400

AMD Radeon R7 450 OEM

Differences

Reasons to consider the AMD Radeon RX 6400

Videocard is newer: launch date 5 year(s) 6 month(s) later
2.1x more core clock speed: 1923 MHz vs 925 MHz
3763.5x more texture fill rate: 111.4 GTexel/s vs 29.6 GTexel / s
Around 50% higher pipelines: 768 vs 512
A newer manufacturing process allows for a more powerful, yet cooler running videocard: 6 nm vs 28 nm
Around 23% lower typical power consumption: 53 Watt vs 65 Watt
2x more maximum memory size: 4 GB vs 2 GB
Around 35% better performance in PassMark - G2D Mark: 717 vs 530
4x better performance in PassMark - G3D Mark: 7651 vs 1901
3.4x better performance in Geekbench - OpenCL: 33004 vs 9694

Specifications (specs)
Launch date	19 Jan 2022 vs 30 June 2016
Core clock speed	1923 MHz vs 925 MHz
Texture fill rate	111.4 GTexel/s vs 29.6 GTexel / s
Pipelines	768 vs 512
Manufacturing process technology	6 nm vs 28 nm
Thermal Design Power (TDP)	53 Watt vs 65 Watt
Maximum memory size	4 GB vs 2 GB
Benchmarks
PassMark - G2D Mark	717 vs 530
PassMark - G3D Mark	7651 vs 1901
Geekbench - OpenCL	33004 vs 9694

Reasons to consider the AMD Radeon R7 450 OEM

2.3x more memory clock speed: 4500 MHz vs 2000 MHz, 16 Gbps effective

Memory clock speed	4500 MHz vs 2000 MHz, 16 Gbps effective

Compare benchmarks

GPU 1: AMD Radeon RX 6400
GPU 2: AMD Radeon R7 450 OEM

PassMark - G2D Mark

GPU 1

GPU 2

717

530

PassMark - G3D Mark

GPU 1

GPU 2

7651

1901

Geekbench - OpenCL

GPU 1

GPU 2

33004

9694

Name	AMD Radeon RX 6400	AMD Radeon R7 450 OEM
PassMark - G2D Mark	717	530
PassMark - G3D Mark	7651	1901
3DMark Fire Strike - Graphics Score	176
Geekbench - OpenCL	33004	9694
CompuBench 1.5 Desktop - Face Detection (mPixels/s)		24.788
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)		638.196
CompuBench 1.5 Desktop - T-Rex (Frames/s)		2.619
CompuBench 1.5 Desktop - Video Composition (Frames/s)		41.414
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)		112.347
GFXBench 4.0 - Car Chase Offscreen (Frames)		2809
GFXBench 4.0 - Manhattan (Frames)		3666
GFXBench 4.0 - T-Rex (Frames)		3358
GFXBench 4.0 - Car Chase Offscreen (Fps)		2809
GFXBench 4.0 - Manhattan (Fps)		3666
GFXBench 4.0 - T-Rex (Fps)		3358

Compare specifications (specs)

	AMD Radeon RX 6400	AMD Radeon R7 450 OEM
Essentials
Architecture	RDNA 2.0	GCN 1.0
Code name	Navi 24	Cape Verde
Launch date	19 Jan 2022	30 June 2016
Place in performance rating	279	764
Type		Desktop
Technical info
Boost clock speed	2321 MHz
Compute units	12
Core clock speed	1923 MHz	925 MHz
Manufacturing process technology	6 nm	28 nm
Peak Double Precision (FP64) Performance	222.8 GFLOPS (1:16)
Peak Half Precision (FP16) Performance	7.130 TFLOPS (2:1)
Peak Single Precision (FP32) Performance	3.565 TFLOPS
Pipelines	768	512
Pixel fill rate	74.27 GPixel/s
Texture fill rate	111.4 GTexel/s	29.6 GTexel / s
Thermal Design Power (TDP)	53 Watt	65 Watt
Transistor count	5400 million	1,500 million
Floating-point performance		947.2 gflops
Video outputs and ports
Display Connectors	1x HDMI 2.1, 1x DisplayPort 1.4a	No outputs
Compatibility, dimensions and requirements
Form factor	Single-slot
Interface	PCIe 4.0 x4	PCIe 3.0 x16
Recommended system power (PSU)	250 Watt
Supplementary power connectors	None	1x 6-pin
API support
DirectX	12 Ultimate (12_2)	12.0 (11_1)
OpenCL	2.2
OpenGL	4.6	4.5
Shader Model	6.7
Vulkan
Memory
Maximum RAM amount	4 GB	2 GB
Memory bandwidth	128.0 GB/s	72 GB / s
Memory bus width	64 bit	128 Bit
Memory clock speed	2000 MHz, 16 Gbps effective	4500 MHz
Memory type	GDDR6	GDDR5