GPU Comparison

A

AMD

RADEON

AMD Instinct MI300X

CORE STATE Aqua Vanjaram

VRAM 192 GB

CLOCK SPEED 2100 MHz

TDP 750 W

BUS WIDTH 8192 bit

ARCHITECTURE CDNA 3.0

nm

PROCESS 5 nm

LAUNCH DATE 2023

VS

NVIDIA

GEFORCE

GeForce RTX 5080

CORE STATE GB203

VRAM 16 GB

CLOCK SPEED 2617 MHz

TDP 360 W

BUS WIDTH 256 bit

ARCHITECTURE Blackwell 2.0

nm

PROCESS 5 nm

LAUNCH DATE 2025

PERFORMANCE BENCHMARKS

geekbench_opencl

317,994

235,901

3dmark_3dmark_steel_nomad_dx12

N/A

8,637

geekbench_vulkan

N/A

255,450

passmark_directx_10

N/A

208

passmark_directx_11

N/A

324

passmark_directx_12

N/A

151

passmark_directx_9

N/A

389

passmark_g2d

N/A

1,415

passmark_g3d

N/A

36,565

passmark_gpu_compute

N/A

21,789

DETAILED SPECIFICATIONS

SPECIFICATION

Instinct MI300X

RTX 5080

Core Specs

Shading Units

19,456

10,752 -44.7%

Shaders

19,456

10,752 -44.7%

TMUs

1,216

336 -72.4%

ROPs

0

112 +∞%

Compute Units

304

—

SM Count

—

84

Clocks

Base Clock

1000 MHz

2295 MHz

Boost Clock

2100 MHz

2617 MHz

Memory Clock

1300 MHz 5.2 Gbps effective

1875 MHz 30 Gbps effective

Memory

Memory Size

192 GB

16 GB

VRAM (MB)

196,608

16,384 -91.7%

Memory Type

HBM3

GDDR7

Memory Bus

8192 bit

256 bit

Bandwidth

5.32 TB/s

960.0 GB/s

Cache

L1 Cache

16 KB (per CU)

128 KB (per SM)

L2 Cache

16 MB

64 MB

L3 Cache

256 MB

—

Performance

Pixel Rate

0 MPixel/s

293.1 GPixel/s

Texture Rate

2,553.6 GTexel/s

879.3 GTexel/s

FP32 (TFLOPS)

81.72 TFLOPS

56.28 TFLOPS

FP64 (TFLOPS)

40.86 TFLOPS (1:2)

879.3 GFLOPS (1:64)

FP16 (TFLOPS)

81.72 TFLOPS (1:1)

56.28 TFLOPS (1:1)

AI/RT

RT Cores

—

84

Tensor Cores

—

336

Matrix Cores

1,216

—

Power

TDP

750 W

360 W

TDP (W)

750

360 -52.0%

Suggested PSU

1150 W

750 W

Power Connectors

None

1x 16-pin

Architecture

Architecture

CDNA 3.0

Blackwell 2.0

GPU Name

Aqua Vanjaram

GB203

Generation

Instinct (MIx)

GeForce 50

Process Size

5 nm

5 nm

Transistors

153,000 million

45,600 million

Die Size

1017 mm²

378 mm²

Foundry

TSMC

TSMC

Density

150.4M / mm²

120.6M / mm²

AMD MCM

MCM

2

—

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

OAM Module

Dual-slot

Length

—

304 mm 12 inches

Height

—

137 mm 5.4 inches

Outputs

No outputs

1x HDMI 2.1b3x DisplayPort 2.1b

Bus Interface

PCIe 5.0 x16

PCIe 5.0 x16

Other

Launch Price

—

999 USD

Production

—

Active

Predecessor

Radeon Instinct

GeForce 40

Successor

—

GeForce 60

View Instinct MI300X Details View GeForce RTX 5080 Details