GPU Comparison

A

AMD

RADEON

AMD Instinct MI455X

CORE STATE MI450 256CU

VRAM 432 GB

CLOCK SPEED 2400 MHz

TDP 2300 W

BUS WIDTH 24576 bit

ARCHITECTURE CDNA 5.0

nm

PROCESS 2 nm

LAUNCH DATE 2026

VS

NVIDIA

GEFORCE

GeForce RTX 5050

CORE STATE GB207

VRAM 8 GB

CLOCK SPEED 2572 MHz

TDP 130 W

BUS WIDTH 128 bit

ARCHITECTURE Blackwell 2.0

nm

PROCESS 5 nm

LAUNCH DATE 2025

PERFORMANCE BENCHMARKS

3dmark_3dmark_steel_nomad_dx12

N/A

2,502

geekbench_opencl

N/A

90,334

geekbench_vulkan

N/A

89,381

passmark_directx_10

N/A

103

passmark_directx_11

N/A

150

passmark_directx_12

N/A

66

passmark_directx_9

N/A

186

passmark_g2d

N/A

1,113

passmark_g3d

N/A

17,326

passmark_gpu_compute

N/A

9,184

DETAILED SPECIFICATIONS

SPECIFICATION

Instinct MI455X

RTX 5050

Core Specs

Shading Units

32,768

2,560 -92.2%

Shaders

32,768

2,560 -92.2%

TMUs

1,024

80 -92.2%

ROPs

0

32 +∞%

Compute Units

256

—

SM Count

—

20

Clocks

Base Clock

1000 MHz

2317 MHz

Boost Clock

2400 MHz

2572 MHz

Memory Clock

1900 MHz 7.6 Gbps effective

2500 MHz 20 Gbps effective

Memory

Memory Size

432 GB

8 GB

VRAM (MB)

442,368

8,192 -98.1%

Memory Type

HBM4

GDDR6

Memory Bus

24576 bit

128 bit

Bandwidth

23.3 TB/s

320.0 GB/s

Cache

L1 Cache

32 KB (per CU)

128 KB (per SM)

L2 Cache

192 MB

24 MB

Performance

Pixel Rate

0 MPixel/s

82.30 GPixel/s

Texture Rate

2,457.6 GTexel/s

205.8 GTexel/s

FP32 (TFLOPS)

157.3 TFLOPS

13.17 TFLOPS

FP64 (TFLOPS)

2.458 TFLOPS (1:64)

205.8 GFLOPS (1:64)

FP16 (TFLOPS)

157.3 TFLOPS (1:1)

13.17 TFLOPS (1:1)

AI/RT

RT Cores

—

20

Tensor Cores

—

80

Matrix Cores

1,024

—

Power

TDP

2300 W

130 W

TDP (W)

2,300

130 -94.3%

Suggested PSU

2700 W

300 W

Power Connectors

None

1x 8-pin

Architecture

Architecture

CDNA 5.0

Blackwell 2.0

GPU Name

MI450 256CU

GB207

Generation

Instinct (MIx)

GeForce 50

Process Size

2 nm

5 nm

Transistors

320,000 million

16,900 million

Die Size

2990 mm²

149 mm²

Foundry

TSMC

TSMC

Density

107.0M / mm²

113.4M / mm²

API Support

DirectX

—

12 Ultimate (12_2)

OpenGL

—

4.6

Vulkan

—

1.4

OpenCL

3.0

3.0

CUDA

—

12.0

Shader Model

—

6.9

Physical

Slot Width

EAM Module

Dual-slot

Outputs

No outputs

1x HDMI 2.1b3x DisplayPort 2.1b

Bus Interface

PCIe 6.0 x16

PCIe 5.0 x8

Other

Launch Price

—

249 USD

Production

—

Active

Predecessor

Radeon Instinct

GeForce 40

Successor

—

GeForce 60

View Instinct MI455X Details View GeForce RTX 5050 Details