GeForce 8400 GS PCI vs GeForce RTX 3090
We compared two Desktop platform GPUs: 512MB VRAM GeForce 8400 GS PCI and 24GB VRAM GeForce RTX 3090 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
GeForce 8400 GS PCI 's Advantages
Lower TDP (25W vs 350W)
GeForce RTX 3090 's Advantages
Released 12 years and 9 months late
Boost Clock1695MHz
More VRAM (24GB vs 512GB)
Larger VRAM bandwidth (936.2GB/s vs 5.328GB/s)
10488 additional rendering cores
Score
Benchmark
FP32 (float)
GeForce 8400 GS PCI
22
GeForce RTX 3090
+161627%
35580
Graphics Card
Dec 2007
Release Date
Sep 2020
GeForce 8
Generation
GeForce 30
Desktop
Type
Desktop
PCI
Bus Interface
PCIe 4.0 x16
Clock Speeds
-
Base Clock
1395 MHz
-
Boost Clock
1695 MHz
333 MHz
Memory Clock
1219 MHz
Memory
512MB
Memory Size
24GB
DDR2
Memory Type
GDDR6X
64bit
Memory Bus
384bit
5.328GB/s
Bandwidth
936.2GB/s
Render Config
1
SM Count
82
8
Shading Units
10496
4
TMUs
328
4
ROPs
112
-
Tensor Cores
328
-
RT Cores
82
-
L1 Cache
128 KB (per SM)
16 KB
L2 Cache
6 MB
Theoretical Performance
2.268 GPixel/s
Pixel Rate
189.8 GPixel/s
2.268 GTexel/s
Texture Rate
556.0 GTexel/s
-
FP16 (half)
35.58 TFLOPS
22.40 GFLOPS
FP32 (float)
35.58 TFLOPS
-
FP64 (double)
556.0 GFLOPS
Board Design
25W
TDP
350W
200 W
Suggested PSU
750 W
1x S-Video
1x DMS-59
Outputs
1x HDMI 2.1
3x DisplayPort 1.4a
None
Power Connectors
1x 12-pin
Graphics Processor
G98
GPU Name
GA102
G98-400-U2
GPU Variant
GA102-300-A1
Tesla
Architecture
Ampere
TSMC
Foundry
Samsung
65 nm
Process Size
8 nm
0.21 billion
Transistors
28.3 billion
86 mm²
Die Size
628 mm²
Graphics Features
11.1 (10_0)
DirectX
12 Ultimate (12_2)
3.3
OpenGL
4.6
1.1
OpenCL
3.0
N/A
Vulkan
1.3
1.1
CUDA
8.6
4.0
Shader Model
6.6
