GPU Comparison

A

AMD

RADEON

AMD Radeon RX 7900 XT

CORE STATE Navi 31

VRAM 20 GB

CLOCK SPEED 2394 MHz

TDP 300 W

BUS WIDTH 320 bit

ARCHITECTURE RDNA 3.0

nm

PROCESS 5 nm

LAUNCH DATE 2022

VS

NVIDIA

GEFORCE

H100 CNX

CORE STATE GH100

VRAM 80 GB

CLOCK SPEED 1845 MHz

TDP 350 W

BUS WIDTH 5120 bit

ARCHITECTURE Hopper

nm

PROCESS 5 nm

LAUNCH DATE 2023

PERFORMANCE BENCHMARKS

3dmark_3dmark_steel_nomad_dx12

5,623

N/A

geekbench_opencl

169,834

N/A

geekbench_vulkan

160,119

N/A

passmark_directx_10

158

N/A

passmark_directx_11

340

N/A

passmark_directx_12

110

N/A

passmark_directx_9

322

N/A

passmark_g2d

1,232

N/A

passmark_g3d

29,009

N/A

passmark_gpu_compute

16,828

N/A

DETAILED SPECIFICATIONS

SPECIFICATION

RX 7900 XT

H100 CNX

Core Specs

Shading Units

5,376

14,592 +171.4%

Shaders

5,376

14,592 +171.4%

TMUs

336

456 +35.7%

ROPs

192

24 -87.5%

Compute Units

84

—

SM Count

—

114

Clocks

Base Clock

1387 MHz

690 MHz

Boost Clock

2394 MHz

1845 MHz

Game Clock

2025 MHz

—

Shader Clock

2025 MHz

—

Memory Clock

2500 MHz 20 Gbps effective

1593 MHz 3.2 Gbps effective

Memory

Memory Size

20 GB

80 GB

VRAM (MB)

20,480

81,920 +300.0%

Memory Type

GDDR6

HBM2e

Memory Bus

320 bit

5120 bit

Bandwidth

800.0 GB/s

2.04 TB/s

Cache

L1 Cache

256 KB per Array

256 KB (per SM)

L2 Cache

6 MB

50 MB

L3 Cache

80 MB

—

L0 Cache

64 KB per WGP

—

Performance

Pixel Rate

459.6 GPixel/s

44.28 GPixel/s

Texture Rate

804.4 GTexel/s

841.3 GTexel/s

FP32 (TFLOPS)

51.48 TFLOPS

53.84 TFLOPS

FP64 (TFLOPS)

1.609 TFLOPS (1:32)

26.92 TFLOPS (1:2)

FP16 (TFLOPS)

103.0 TFLOPS (2:1)

215.4 TFLOPS (4:1)

AI/RT

RT Cores

84

—

Tensor Cores

—

456

Matrix Cores

168

—

Power

TDP

300 W

350 W

TDP (W)

300

350 +16.7%

Suggested PSU

700 W

750 W

Power Connectors

2x 8-pin

8-pin EPS

Architecture

Architecture

RDNA 3.0

Hopper

GPU Name

Navi 31

GH100

Codename

Plum Bonito

—

Generation

Navi III (RX 7000)

Server Hopper (Hxx)

Process Size

5 nm

5 nm

Transistors

57,700 million

80,000 million

Die Size

529 mm²

814 mm²

Foundry

TSMC

TSMC

Density

109.1M / mm²

98.3M / mm²

AMD MCM

GCD Transistors

45,400 million

—

GCD Die Size

304.35 mm²

—

MCD Transistors

2,050 million x6

—

API Support

DirectX

12 Ultimate (12_2)

—

OpenGL

4.6

—

Vulkan

1.4

—

OpenCL

2.2

3.0

CUDA

—

9.0

Shader Model

6.8

—

Physical

Slot Width

Dual-slot

Dual-slot

Length

276 mm 10.9 inches

267 mm 10.5 inches

Height

110 mm 4.3 inches

111 mm 4.4 inches

Outputs

1x HDMI 2.1a2x DisplayPort 2.11x USB Type-C

No outputs

Bus Interface

PCIe 4.0 x16

PCIe 5.0 x16

Other

Launch Price

899 USD

—

Production

End-of-life

Active

Predecessor

Navi II

Server Ada

Successor

Navi IV

Server Blackwell

View Radeon RX 7900 XT Details View H100 CNX Details