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

B300

CORE STATE GB110

VRAM 144 GB

CLOCK SPEED 2032 MHz

TDP 1400 W

BUS WIDTH 4096 bit

ARCHITECTURE Blackwell Ultra

nm

PROCESS 5 nm

LAUNCH DATE 2025

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

B300

Core Specs

Shading Units

4,608

18,944 +311.1%

Shaders

4,608

18,944 +311.1%

TMUs

288

592 +105.6%

ROPs

192

24 -87.5%

Compute Units

72

—

SM Count

—

148

Clocks

Base Clock

1825 MHz

1665 MHz

Boost Clock

2090 MHz

2032 MHz

Memory Clock

2250 MHz 18 Gbps effective

2000 MHz 8 Gbps effective

Memory

Memory Size

16 GB

144 GB

VRAM (MB)

16,384

147,456 +800.0%

Memory Type

GDDR6

HBM3e

Memory Bus

256 bit

4096 bit

Bandwidth

576.0 GB/s

4.10 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

48.77 GPixel/s

Texture Rate

601.9 GTexel/s

1,202.9 GTexel/s

FP32 (TFLOPS)

38.52 TFLOPS

76.99 TFLOPS

FP64 (TFLOPS)

1,203.8 GFLOPS (1:32)

1,202.9 GFLOPS (1:64)

FP16 (TFLOPS)

77.05 TFLOPS (2:1)

1,231.8 TFLOPS (16:1)

AI/RT

RT Cores

72

—

Tensor Cores

—

592

Power

TDP

180 W

1400 W

TDP (W)

180

1,400 +677.8%

Suggested PSU

—

1800 W

Power Connectors

None

—

Architecture

Architecture

RDNA 3.0

Blackwell Ultra

GPU Name

Navi 31

GB110

Codename

Plum Bonito

—

Generation

Navi Mobile (RX 7000M)

Server Blackwell (Bxx)

Process Size

5 nm

5 nm

Transistors

57,700 million

104,000 million

Die Size

529 mm²

—

Foundry

TSMC

TSMC

Density

109.1M / 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

—

10.3

Shader Model

6.8

—

Physical

Slot Width

IGP

SXM Module

Outputs

Portable Device Dependent

No outputs

Bus Interface

PCIe 4.0 x16

PCIe 5.0 x16

Other

Production

Active

Active

Predecessor

Polaris Mobile

Server Hopper

Successor

—

Server Rubin

View Radeon RX 7900M Details View B300 Details