GPU Comparison

A

AMD

RADEON

AMD Radeon Instinct MI355X

CORE STATE Aqua Vanjaram

VRAM 288 GB

CLOCK SPEED 2400 MHz

TDP 1400 W

BUS WIDTH 8192 bit

ARCHITECTURE CDNA 3.0

nm

PROCESS 5 nm

LAUNCH DATE —

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

3dmark_3dmark_steel_nomad_dx12

N/A

8,637

geekbench_opencl

N/A

264,461

geekbench_vulkan

N/A

257,942

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 MI355X

RTX 5080

Core Specs

Shading Units

16,384

10,752 -34.4%

Shaders

16,384

10,752 -34.4%

TMUs

1,024

336 -67.2%

ROPs

0

112 +∞%

Compute Units

256

—

SM Count

—

84

Clocks

Base Clock

1000 MHz

2295 MHz

Boost Clock

2400 MHz

2617 MHz

Memory Clock

2000 MHz 8 Gbps effective

1875 MHz 30 Gbps effective

Memory

Memory Size

288 GB

16 GB

VRAM (MB)

294,912

16,384 -94.4%

Memory Type

HBM3e

GDDR7

Memory Bus

8192 bit

256 bit

Bandwidth

8.19 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

2,457.6 GTexel/s

879.3 GTexel/s

FP32 (TFLOPS)

78.64 TFLOPS

56.28 TFLOPS

FP64 (TFLOPS)

78.64 TFLOPS (1:1)

879.3 GFLOPS (1:64)

FP16 (TFLOPS)

629.1 TFLOPS (8:1)

56.28 TFLOPS (1:1)

AI/RT

RT Cores

—

84

Tensor Cores

—

336

Matrix Cores

1,024

—

Power

TDP

1400 W

360 W

TDP (W)

1,400

360 -74.3%

Suggested PSU

1800 W

750 W

Power Connectors

None

1x 16-pin

Architecture

Architecture

CDNA 3.0

Blackwell 2.0

GPU Name

Aqua Vanjaram

GB203

Generation

Radeon 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

—

6.8

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

FirePro Data Center

GeForce 40

View Radeon Instinct MI355X Details View GeForce RTX 5080 Details