AMD Radeon Instinct MI455X vs NVIDIA GeForce RTX 2080
GPU · Specs Compare
Graphics Card
Release Date
Jul 2026
Sep 2018
Generation
Radeon Instinct
GeForce 20
Type
Desktop
Desktop
Bus Interface
PCIe 6.0 x16
PCIe 3.0 x16
Clock Speeds
Base Clock
1000 MHz
1515 MHz
Boost Clock
2400 MHz
1710 MHz
Memory Clock
1900 MHz
1750 MHz
Memory
Memory Size
432GB
8GB
Memory Type
HBM4
GDDR6
Memory Bus
24576bit
256bit
Bandwidth
23.3TB/s
448.0GB/s
Render Config
Compute Units
256
—
Shading Units
32768
2944
TMUs
1024
184
ROPs
0
64
L1 Cache
32 KB (per CU)
64 KB (per SM)
L2 Cache
192 MB
4 MB
SM Count
—
46
Tensor Cores
—
368
RT Cores
—
46
Theoretical Performance
Pixel Rate
0 MPixel/s
109.4 GPixel/s
Texture Rate
2457.6 GTexel/s
314.6 GTexel/s
FP16 (half)
157.3 TFLOPS
20.14 TFLOPS
FP32 (float)
157.3 TFLOPS
10.07 TFLOPS
FP64 (double)
2.458 TFLOPS
314.6 GFLOPS
Graphics Processor
GPU Name
MI450 256CU
TU104
Architecture
CDNA 5.0
Turing
Foundry
TSMC
TSMC
Process Size
2 nm
12 nm
Transistors
320 billion
13.6 billion
Die Size
Unknown
545 mm²
GPU Variant
—
TU104-400A-A1
Board Design
TDP
2300W
215W
Suggested PSU
2700 W
550 W
Outputs
No outputs
1x HDMI 2.03x DisplayPort 1.4a1x USB Type-C
Power Connectors
None
1x 6-pin + 1x 8-pin
Graphics Features
DirectX
N/A
12 Ultimate (12_2)
OpenGL
N/A
4.6
OpenCL
3.0
3.0
Vulkan
N/A
1.3
Shader Model
N/A
6.8
CUDA
—
7.5
Benchmark
3DMark Time Spy
—
11,078
3DMark Time Spy Extreme
—
5,146
3DMark Speed Way
—
2,171
Battlefield 5 1080p
—
158
Shadow of the Tomb Raider 2160p
—
46
Cyberpunk 2077 2160p
—
39
Shadow of the Tomb Raider 1440p
—
85
Cyberpunk 2077 1440p
—
47
Shadow of the Tomb Raider 1080p
—
127
Battlefield 5 2160p
—
63
Cyberpunk 2077 1080p
—
67
Battlefield 5 1440p
—
114
GTA 5 2160p
—
106
GTA 5 1440p
—
108
GTA 5 1080p
—
180
▲ Specs Compare
Data sourced from official specifications and benchmark tests.