GPU Comparison

A

AMD

RADEON

AMD Radeon RX 6900 XT

CORE STATE Navi 21

VRAM 16 GB

CLOCK SPEED 2250 MHz

TDP 300 W

BUS WIDTH 256 bit

ARCHITECTURE RDNA 2.0

nm

PROCESS 7 nm

LAUNCH DATE 2020

VS

NVIDIA

GEFORCE

GeForce RTX 4090 D

CORE STATE AD102

VRAM 24 GB

CLOCK SPEED 2520 MHz

TDP 425 W

BUS WIDTH 384 bit

ARCHITECTURE Ada Lovelace

nm

PROCESS 5 nm

LAUNCH DATE 2023

PERFORMANCE BENCHMARKS

3dmark_3dmark_steel_nomad_dx12

4,079

8,587

geekbench_metal

207,444

N/A

geekbench_opencl

167,057

271,315

geekbench_vulkan

166,636

244,421

passmark_directx_10

167

N/A

passmark_directx_11

279

N/A

passmark_directx_12

113

N/A

passmark_directx_9

268

N/A

passmark_g2d

1,055

N/A

passmark_g3d

26,732

N/A

passmark_gpu_compute

14,547

N/A

DETAILED SPECIFICATIONS

SPECIFICATION

RX 6900 XT

RTX 4090 D

Core Specs

Shading Units

5,120

14,592 +185.0%

Shaders

5,120

14,592 +185.0%

TMUs

320

456 +42.5%

ROPs

128

176 +37.5%

Compute Units

80

—

SM Count

—

114

Clocks

Base Clock

1825 MHz

2280 MHz

Boost Clock

2250 MHz

2520 MHz

Game Clock

2015 MHz

—

Memory Clock

2000 MHz 16 Gbps effective

1313 MHz 21 Gbps effective

Memory

Memory Size

16 GB

24 GB

VRAM (MB)

16,384

24,576 +50.0%

Memory Type

GDDR6

GDDR6X

Memory Bus

256 bit

384 bit

Bandwidth

512.0 GB/s

1.01 TB/s

Cache

L1 Cache

128 KB per Array

128 KB (per SM)

L2 Cache

4 MB

72 MB

L3 Cache

128 MB

—

L0 Cache

32 KB per WGP

—

Performance

Pixel Rate

288.0 GPixel/s

443.5 GPixel/s

Texture Rate

720.0 GTexel/s

1,149.1 GTexel/s

FP32 (TFLOPS)

23.04 TFLOPS

73.54 TFLOPS

FP64 (TFLOPS)

1,440.0 GFLOPS (1:16)

1,149.1 GFLOPS (1:64)

FP16 (TFLOPS)

46.08 TFLOPS (2:1)

73.54 TFLOPS (1:1)

AI/RT

RT Cores

80

114 +42.5%

Tensor Cores

—

456

Power

TDP

300 W

425 W

TDP (W)

300

425 +41.7%

Suggested PSU

700 W

800 W

Power Connectors

2x 8-pin

1x 16-pin

Architecture

Architecture

RDNA 2.0

Ada Lovelace

GPU Name

Navi 21

AD102

Generation

Navi II (RX 6000)

GeForce 40

Process Size

7 nm

5 nm

Transistors

26,800 million

76,300 million

Die Size

520 mm²

609 mm²

Foundry

TSMC

TSMC

Density

51.5M / mm²

125.3M / mm²

API Support

DirectX

12 Ultimate (12_2)

12 Ultimate (12_2)

OpenGL

4.6

4.6

Vulkan

1.4

1.4

OpenCL

2.1

3.0

CUDA

—

8.9

Shader Model

6.8

6.8

Physical

Slot Width

Triple-slot

Triple-slot

Length

267 mm 10.5 inches

304 mm 12 inches

Height

120 mm 4.7 inches

137 mm 5.4 inches

Outputs

1x HDMI 2.12x DisplayPort 1.4a1x USB Type-C

1x HDMI 2.13x DisplayPort 1.4a

Bus Interface

PCIe 4.0 x16

PCIe 4.0 x16

Other

Launch Price

999 USD

1,599 USD

Production

End-of-life

End-of-life

Predecessor

Navi

GeForce 30

Successor

Navi III

GeForce 50

View Radeon RX 6900 XT Details View GeForce RTX 4090 D Details