GPU Comparison

A

AMD

RADEON

AMD Radeon RX 7900 XTX

CORE STATE Navi 31

VRAM 24 GB

CLOCK SPEED 2498 MHz

TDP 355 W

BUS WIDTH 384 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

6,841

N/A

geekbench_opencl

189,573

N/A

geekbench_vulkan

192,597

N/A

passmark_directx_10

166

N/A

passmark_directx_11

356

N/A

passmark_directx_12

131

N/A

passmark_directx_9

330

N/A

passmark_g2d

1,267

N/A

passmark_g3d

31,238

N/A

passmark_gpu_compute

17,689

N/A

DETAILED SPECIFICATIONS

SPECIFICATION

RX 7900 XTX

H100 CNX

Core Specs

Shading Units

6,144

14,592 +137.5%

Shaders

6,144

14,592 +137.5%

TMUs

384

456 +18.8%

ROPs

192

24 -87.5%

Compute Units

96

—

SM Count

—

114

Clocks

Base Clock

1929 MHz

690 MHz

Boost Clock

2498 MHz

1845 MHz

Game Clock

2365 MHz

—

Shader Clock

2269 MHz

—

Memory Clock

2500 MHz 20 Gbps effective

1593 MHz 3.2 Gbps effective

Memory

Memory Size

24 GB

80 GB

VRAM (MB)

24,576

81,920 +233.3%

Memory Type

GDDR6

HBM2e

Memory Bus

384 bit

5120 bit

Bandwidth

960.0 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

96 MB

—

L0 Cache

64 KB per WGP

—

Performance

Pixel Rate

479.6 GPixel/s

44.28 GPixel/s

Texture Rate

959.2 GTexel/s

841.3 GTexel/s

FP32 (TFLOPS)

61.39 TFLOPS

53.84 TFLOPS

FP64 (TFLOPS)

1.918 TFLOPS (1:32)

26.92 TFLOPS (1:2)

FP16 (TFLOPS)

122.8 TFLOPS (2:1)

215.4 TFLOPS (4:1)

AI/RT

RT Cores

96

—

Tensor Cores

—

456

Matrix Cores

192

—

Power

TDP

355 W

350 W

TDP (W)

355

350 -1.4%

Suggested PSU

750 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

287 mm 11.3 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

999 USD

—

Production

End-of-life

Active

Predecessor

Navi II

Server Ada

Successor

Navi IV

Server Blackwell

View Radeon RX 7900 XTX Details View H100 CNX Details