GeForce RTX 2080 vs GeForce 8400
We compared two Desktop platform GPUs: 8GB VRAM GeForce RTX 2080 and 256MB VRAM GeForce 8400 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
GeForce RTX 2080 's Advantages
Released 10 years and 9 months late
Boost Clock1710MHz
More VRAM (8GB vs 256GB)
Larger VRAM bandwidth (448.0GB/s vs 8.000GB/s)
2936 additional rendering cores
GeForce 8400 's Advantages
Lower TDP (25W vs 215W)
Score
Benchmark
FP32 (float)
GeForce RTX 2080
+47852%
10070
GeForce 8400
21
Graphics Card
Sep 2018
Release Date
Dec 2007
GeForce 20
Generation
GeForce 8
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 2.0 x16
Clock Speeds
1515 MHz
Base Clock
-
1710 MHz
Boost Clock
-
1750 MHz
Memory Clock
500 MHz
Memory
8GB
Memory Size
256MB
GDDR6
Memory Type
DDR2
256bit
Memory Bus
64bit
448.0GB/s
Bandwidth
8.000GB/s
Render Config
46
SM Count
1
2944
Shading Units
8
184
TMUs
4
64
ROPs
4
368
Tensor Cores
-
46
RT Cores
-
64 KB (per SM)
L1 Cache
-
4 MB
L2 Cache
16 KB
Theoretical Performance
109.4 GPixel/s
Pixel Rate
2.160 GPixel/s
314.6 GTexel/s
Texture Rate
2.160 GTexel/s
20.14 TFLOPS
FP16 (half)
-
10.07 TFLOPS
FP32 (float)
20.80 GFLOPS
314.6 GFLOPS
FP64 (double)
-
Board Design
215W
TDP
25W
550 W
Suggested PSU
200 W
1x HDMI 2.0
3x DisplayPort 1.4a
1x USB Type-C
Outputs
1x DVI
1x VGA
1x S-Video
1x 6-pin + 1x 8-pin
Power Connectors
None
Graphics Processor
TU104
GPU Name
G98
TU104-400A-A1
GPU Variant
-
Turing
Architecture
Tesla
TSMC
Foundry
TSMC
12 nm
Process Size
65 nm
13.6 billion
Transistors
0.21 billion
545 mm²
Die Size
86 mm²
Graphics Features
12 Ultimate (12_2)
DirectX
11.1 (10_0)
4.6
OpenGL
3.3
3.0
OpenCL
1.1
1.3
Vulkan
N/A
7.5
CUDA
1.1
6.6
Shader Model
4.0
