Radeon RX 6400 vs Radeon HD 3450
We compared two Desktop platform GPUs: 4GB VRAM Radeon RX 6400 and 256MB VRAM Radeon HD 3450 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
Radeon RX 6400 Advantages
Released 14 years and 1 months late
Boost Clock2321MHz
More VRAM (4GB vs 256GB)
Larger VRAM bandwidth (128.0GB/s vs 8.000GB/s)
728 additional rendering cores
Radeon HD 3450 Advantages
Lower TDP (25W vs 53W)
Score
Benchmark
FP32 (float)
Radeon RX 6400
+7327%
3565
Radeon HD 3450
48
Graphics Card
Jan 2022
Release Date
Dec 2007
Navi II
Generation
Radeon R600
Desktop
Type
Desktop
PCIe 4.0 x4
Bus Interface
PCIe 2.0 x16
Clock Speeds
1923 MHz
Base Clock
-
2321 MHz
Boost Clock
-
2000 MHz
Memory Clock
500 MHz
Memory
4GB
Memory Size
256MB
GDDR6
Memory Type
DDR2
64bit
Memory Bus
64bit
128.0GB/s
Bandwidth
8.000GB/s
Render Config
12
Compute Units
2
768
Shading Units
40
48
TMUs
4
32
ROPs
4
12
RT Cores
-
128 KB per Array
L1 Cache
-
1024 KB
L2 Cache
64 KB
16 MB
L3 Cache
-
Theoretical Performance
74.27 GPixel/s
Pixel Rate
2.400 GPixel/s
111.4 GTexel/s
Texture Rate
2.400 GTexel/s
7.130 TFLOPS
FP16 (half)
-
3.565 TFLOPS
FP32 (float)
48.00 GFLOPS
222.8 GFLOPS
FP64 (double)
-
Board Design
53W
TDP
25W
250 W
Suggested PSU
200 W
1x HDMI 2.1
1x DisplayPort 1.4a
1x DisplayPort 1.4a
Outputs
1x DVI
1x VGA
1x S-Video
1x VGA
1x S-Video
None
Power Connectors
None
Graphics Processor
Navi 24
GPU Name
RV620
Navi 24 XL
(215-135000046)
(215-135000046)
GPU Variant
RV620 LE
RDNA 2.0
Architecture
TeraScale
TSMC
Foundry
TSMC
6 nm
Process Size
55 nm
5.4 billion
Transistors
0.181 billion
107 mm²
Die Size
67 mm²
Graphics Features
12 Ultimate (12_2)
DirectX
10.1 (10_1)
4.6
OpenGL
3.3
2.2
OpenCL
N/A
1.3
Vulkan
N/A
6.7
Shader Model
4.1
