Radeon RX 7800 XT vs GeForce 9400 GT PCI
We compared two Desktop platform GPUs: 16GB VRAM Radeon RX 7800 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 7800 XT 's Advantages
Released 15 years late
Boost Clock2430MHz
More VRAM (16GB vs 256GB)
Larger VRAM bandwidth (624.1GB/s vs 12.80GB/s)
3824 additional rendering cores
GeForce 9400 GT PCI 's Advantages
Lower TDP (50W vs 263W)
Score
Benchmark
FP32 (float)
Radeon RX 7800 XT
+82833%
37320
GeForce 9400 GT PCI
45
Graphics Card
Aug 2023
Release Date
Aug 2008
Navi III
Generation
GeForce 9
Desktop
Type
Desktop
PCIe 4.0 x16
Bus Interface
PCI
Clock Speeds
1295 MHz
Base Clock
-
2430 MHz
Boost Clock
-
2438 MHz
Memory Clock
400 MHz
Memory
16GB
Memory Size
256MB
GDDR6
Memory Type
DDR2
256bit
Memory Bus
128bit
624.1GB/s
Bandwidth
12.80GB/s
Render Config
60
Compute Units
-
-
SM Count
2
3840
Shading Units
16
240
TMUs
8
96
ROPs
4
60
RT Cores
-
128 KB per Array
L1 Cache
-
4 MB
L2 Cache
32 KB
64 MB
L3 Cache
-
Theoretical Performance
233.3 GPixel/s
Pixel Rate
2.200 GPixel/s
583.2 GTexel/s
Texture Rate
4.400 GTexel/s
74.65 TFLOPS
FP16 (half)
-
37.32 TFLOPS
FP32 (float)
44.80 GFLOPS
1166 GFLOPS
FP64 (double)
-
Board Design
263W
TDP
50W
600 W
Suggested PSU
250 W
1x HDMI 2.1a
3x DisplayPort 2.1
Outputs
1x DVI
1x VGA
1x S-Video
2x 8-pin
Power Connectors
None
Graphics Processor
Navi 32
GPU Name
G96C
Navi 32 XT
(215-180000006)
GPU Variant
-
RDNA 3.0
Architecture
Tesla
TSMC
Foundry
TSMC
5 nm
Process Size
55 nm
28.1 billion
Transistors
0.314 billion
346 mm²
Die Size
121 mm²
Graphics Features
12 Ultimate (12_2)
DirectX
11.1 (10_0)
4.6
OpenGL
3.3
2.2
OpenCL
1.1
1.3
Vulkan
N/A
-
CUDA
1.1
6.7
Shader Model
4.0