GeForce RTX 4080 vs Radeon RX 455 OEM
We compared two Desktop platform GPUs: 16GB VRAM GeForce RTX 4080 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 4080 's Advantages
Released 6 years and 3 months late
Boost Clock2505MHz
More VRAM (16GB vs 2GB)
Larger VRAM bandwidth (716.8GB/s vs 104.0GB/s)
8960 additional rendering cores
Radeon RX 455 OEM 's Advantages
Lower TDP (100W vs 320W)
Score
Benchmark
FP32 (float)
GeForce RTX 4080
+2921%
48740
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
2205 MHz
Base Clock
-
2505 MHz
Boost Clock
-
1400 MHz
Memory Clock
1625 MHz
Memory
16GB
Memory Size
2GB
GDDR6X
Memory Type
GDDR5
256bit
Memory Bus
128bit
716.8GB/s
Bandwidth
104.0GB/s
Render Config
-
Compute Units
12
76
SM Count
-
9728
Shading Units
768
304
TMUs
48
112
ROPs
16
304
Tensor Cores
-
76
RT Cores
-
128 KB (per SM)
L1 Cache
16 KB (per CU)
64 MB
L2 Cache
256 KB
Theoretical Performance
280.6 GPixel/s
Pixel Rate
16.80 GPixel/s
761.5 GTexel/s
Texture Rate
50.40 GTexel/s
48.74 TFLOPS
FP16 (half)
-
48.74 TFLOPS
FP32 (float)
1.613 TFLOPS
761.5 GFLOPS
FP64 (double)
100.8 GFLOPS
Board Design
320W
TDP
100W
700 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
AD103
GPU Name
Tobago
AD103-300-A1
GPU Variant
Tobago PRO
(215-0875010)
Ada Lovelace
Architecture
GCN 2.0
TSMC
Foundry
TSMC
5 nm
Process Size
28 nm
45.9 billion
Transistors
2.08 billion
379 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
-
6.7
Shader Model
6.3
