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

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

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

B300

Core Specs

Shading Units

6,144

18,944 +208.3%

Shaders

6,144

18,944 +208.3%

TMUs

384

592 +54.2%

ROPs

192

24 -87.5%

Compute Units

96

—

SM Count

—

148

Clocks

Base Clock

1929 MHz

1665 MHz

Boost Clock

2498 MHz

2032 MHz

Game Clock

2365 MHz

—

Shader Clock

2269 MHz

—

Memory Clock

2500 MHz 20 Gbps effective

2000 MHz 8 Gbps effective

Memory

Memory Size

24 GB

144 GB

VRAM (MB)

24,576

147,456 +500.0%

Memory Type

GDDR6

HBM3e

Memory Bus

384 bit

4096 bit

Bandwidth

960.0 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

96 MB

—

L0 Cache

64 KB per WGP

—

Performance

Pixel Rate

479.6 GPixel/s

48.77 GPixel/s

Texture Rate

959.2 GTexel/s

1,202.9 GTexel/s

FP32 (TFLOPS)

61.39 TFLOPS

76.99 TFLOPS

FP64 (TFLOPS)

1.918 TFLOPS (1:32)

1,202.9 GFLOPS (1:64)

FP16 (TFLOPS)

122.8 TFLOPS (2:1)

1,231.8 TFLOPS (16:1)

AI/RT

RT Cores

96

—

Tensor Cores

—

592

Matrix Cores

192

—

Power

TDP

355 W

1400 W

TDP (W)

355

1,400 +294.4%

Suggested PSU

750 W

1800 W

Power Connectors

2x 8-pin

—

Architecture

Architecture

RDNA 3.0

Blackwell Ultra

GPU Name

Navi 31

GB110

Codename

Plum Bonito

—

Generation

Navi III (RX 7000)

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

Dual-slot

SXM Module

Length

287 mm 11.3 inches

—

Height

110 mm 4.3 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 Hopper

Successor

Navi IV

Server Rubin

View Radeon RX 7900 XTX Details View B300 Details