GeForce RTX 4090 vs Radeon RX 455 OEM
We compared two Desktop platform GPUs: 24GB VRAM GeForce RTX 4090 and 2GB VRAM Radeon RX 455 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
GeForce RTX 4090 's Advantages
Released 6 years and 3 months late
Boost Clock2520MHz
More VRAM (24GB vs 2GB)
Larger VRAM bandwidth (1.01TB/s vs 104.0GB/s)
15616 additional rendering cores
Radeon RX 455 OEM 's Advantages
Lower TDP (100W vs 450W)
Score
Benchmark
FP32 (float)
GeForce RTX 4090
+5019%
82580
Radeon RX 455 OEM
1613
Graphics Card
Sep 2022
Release Date
Jun 2016
GeForce 40
Generation
Arctic Islands
Desktop
Type
Desktop
PCIe 4.0 x16
Bus Interface
PCIe 3.0 x16
Clock Speeds
2235 MHz
Base Clock
-
2520 MHz
Boost Clock
-
1313 MHz
Memory Clock
1625 MHz
Memory
24GB
Memory Size
2GB
GDDR6X
Memory Type
GDDR5
384bit
Memory Bus
128bit
1.01TB/s
Bandwidth
104.0GB/s
Render Config
-
Compute Units
12
128
SM Count
-
16384
Shading Units
768
512
TMUs
48
176
ROPs
16
512
Tensor Cores
-
128
RT Cores
-
128 KB (per SM)
L1 Cache
16 KB (per CU)
72 MB
L2 Cache
256 KB
Theoretical Performance
443.5 GPixel/s
Pixel Rate
16.80 GPixel/s
1290 GTexel/s
Texture Rate
50.40 GTexel/s
82.58 TFLOPS
FP16 (half)
-
82.58 TFLOPS
FP32 (float)
1.613 TFLOPS
1290 GFLOPS
FP64 (double)
100.8 GFLOPS
Board Design
450W
TDP
100W
850 W
Suggested PSU
300 W
1x HDMI 2.1
3x DisplayPort 1.4a
Outputs
1x DVI
1x HDMI 1.4a
1x DisplayPort 1.2
1x 16-pin
Power Connectors
1x 6-pin
Graphics Processor
AD102
GPU Name
Tobago
AD102-300-A1
GPU Variant
Tobago PRO
(215-0875010)
Ada Lovelace
Architecture
GCN 2.0
TSMC
Foundry
TSMC
5 nm
Process Size
28 nm
76.3 billion
Transistors
2.08 billion
609 mm²
Die Size
160 mm²
Graphics Features
12 Ultimate (12_2)
DirectX
12 (12_0)
4.6
OpenGL
4.6
3.0
OpenCL
2.0
1.3
Vulkan
1.2
8.9
CUDA
-
6.8
Shader Model
6.3