GPU Comparison

A

AMD

RADEON

AMD Radeon RX 7900M

CORE STATE Navi 31

VRAM 16 GB

CLOCK SPEED 2090 MHz

TDP 180 W

BUS WIDTH 256 bit

ARCHITECTURE RDNA 3.0

nm

PROCESS 5 nm

LAUNCH DATE 2023

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

4,201

N/A

geekbench_opencl

117,665

N/A

geekbench_vulkan

153,274

N/A

DETAILED SPECIFICATIONS

SPECIFICATION

RX 7900M

H100 CNX

Core Specs

Shading Units

4,608

14,592 +216.7%

Shaders

4,608

14,592 +216.7%

TMUs

288

456 +58.3%

ROPs

192

24 -87.5%

Compute Units

72

—

SM Count

—

114

Clocks

Base Clock

1825 MHz

690 MHz

Boost Clock

2090 MHz

1845 MHz

Memory Clock

2250 MHz 18 Gbps effective

1593 MHz 3.2 Gbps effective

Memory

Memory Size

16 GB

80 GB

VRAM (MB)

16,384

81,920 +400.0%

Memory Type

GDDR6

HBM2e

Memory Bus

256 bit

5120 bit

Bandwidth

576.0 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

64 MB

—

L0 Cache

64 KB per WGP

—

Performance

Pixel Rate

401.3 GPixel/s

44.28 GPixel/s

Texture Rate

601.9 GTexel/s

841.3 GTexel/s

FP32 (TFLOPS)

38.52 TFLOPS

53.84 TFLOPS

FP64 (TFLOPS)

1,203.8 GFLOPS (1:32)

26.92 TFLOPS (1:2)

FP16 (TFLOPS)

77.05 TFLOPS (2:1)

215.4 TFLOPS (4:1)

AI/RT

RT Cores

72

—

Tensor Cores

—

456

Power

TDP

180 W

350 W

TDP (W)

180

350 +94.4%

Suggested PSU

—

750 W

Power Connectors

None

8-pin EPS

Architecture

Architecture

RDNA 3.0

Hopper

GPU Name

Navi 31

GH100

Codename

Plum Bonito

—

Generation

Navi Mobile (RX 7000M)

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

IGP

Dual-slot

Length

—

267 mm 10.5 inches

Height

—

111 mm 4.4 inches

Outputs

Portable Device Dependent

No outputs

Bus Interface

PCIe 4.0 x16

PCIe 5.0 x16

Other

Production

Active

Active

Predecessor

Polaris Mobile

Server Ada

Successor

—

Server Blackwell

View Radeon RX 7900M Details View H100 CNX Details