GPU Comparison

A

AMD

RADEON

AMD Radeon RX 7900 GRE

CORE STATE Navi 31

VRAM 16 GB

CLOCK SPEED 2245 MHz

TDP 260 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

4,814

N/A

geekbench_opencl

167,913

N/A

geekbench_vulkan

144,142

N/A

passmark_directx_10

139

N/A

passmark_directx_11

300

N/A

passmark_directx_12

107

N/A

passmark_directx_9

310

N/A

passmark_g2d

1,180

N/A

passmark_g3d

27,089

N/A

passmark_gpu_compute

15,016

N/A

DETAILED SPECIFICATIONS

SPECIFICATION

RX 7900 GRE

B300

Core Specs

Shading Units

5,120

18,944 +270.0%

Shaders

5,120

18,944 +270.0%

TMUs

320

592 +85.0%

ROPs

160

24 -85.0%

Compute Units

80

—

SM Count

—

148

Clocks

Base Clock

1287 MHz

1665 MHz

Boost Clock

2245 MHz

2032 MHz

Game Clock

1880 MHz

—

Shader Clock

1880 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

359.2 GPixel/s

48.77 GPixel/s

Texture Rate

718.4 GTexel/s

1,202.9 GTexel/s

FP32 (TFLOPS)

45.98 TFLOPS

76.99 TFLOPS

FP64 (TFLOPS)

1,436.8 GFLOPS (1:32)

1,202.9 GFLOPS (1:64)

FP16 (TFLOPS)

91.96 TFLOPS (2:1)

1,231.8 TFLOPS (16:1)

AI/RT

RT Cores

80

—

Tensor Cores

—

592

Matrix Cores

160

—

Power

TDP

260 W

1400 W

TDP (W)

260

1,400 +438.5%

Suggested PSU

600 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

276 mm 10.9 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

549 USD

—

Production

Active

Active

Predecessor

Navi II

Server Hopper

Successor

Navi IV

Server Rubin

View Radeon RX 7900 GRE Details View B300 Details