Radeon RX 6600 XT vs GeForce 9400 GT PCI
We compared two Desktop platform GPUs: 8GB VRAM Radeon RX 6600 XT and 256MB VRAM GeForce 9400 GT PCI to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
Radeon RX 6600 XT 's Advantages
Released 12 years and 11 months late
Boost Clock2589MHz
More VRAM (8GB vs 256GB)
Larger VRAM bandwidth (256.0GB/s vs 12.80GB/s)
2032 additional rendering cores
GeForce 9400 GT PCI 's Advantages
Lower TDP (50W vs 160W)
Score
Benchmark
FP32 (float)
Radeon RX 6600 XT
+23455%
10600
GeForce 9400 GT PCI
45
Graphics Card
Jul 2021
Release Date
Aug 2008
Navi II
Generation
GeForce 9
Desktop
Type
Desktop
PCIe 4.0 x8
Bus Interface
PCI
Clock Speeds
1968 MHz
Base Clock
-
2589 MHz
Boost Clock
-
2000 MHz
Memory Clock
400 MHz
Memory
8GB
Memory Size
256MB
GDDR6
Memory Type
DDR2
128bit
Memory Bus
128bit
256.0GB/s
Bandwidth
12.80GB/s
Render Config
32
Compute Units
-
-
SM Count
2
2048
Shading Units
16
128
TMUs
8
64
ROPs
4
32
RT Cores
-
128 KB per Array
L1 Cache
-
2 MB
L2 Cache
32 KB
32 MB
L3 Cache
-
Theoretical Performance
165.7 GPixel/s
Pixel Rate
2.200 GPixel/s
331.4 GTexel/s
Texture Rate
4.400 GTexel/s
21.21 TFLOPS
FP16 (half)
-
10.60 TFLOPS
FP32 (float)
44.80 GFLOPS
662.8 GFLOPS
FP64 (double)
-
Board Design
160W
TDP
50W
450 W
Suggested PSU
250 W
1x HDMI 2.1
3x DisplayPort 1.4a
Outputs
1x DVI
1x VGA
1x S-Video
1x 8-pin
Power Connectors
None
Graphics Processor
Navi 23
GPU Name
G96C
Navi 23 XT
(215-130000006)
GPU Variant
-
RDNA 2.0
Architecture
Tesla
TSMC
Foundry
TSMC
7 nm
Process Size
55 nm
11.06 billion
Transistors
0.314 billion
237 mm²
Die Size
121 mm²
Graphics Features
12 Ultimate (12_2)
DirectX
11.1 (10_0)
4.6
OpenGL
3.3
2.1
OpenCL
1.1
1.3
Vulkan
N/A
-
CUDA
1.1
6.7
Shader Model
4.0