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

A30X

CORE STATE GA100

VRAM 24 GB

CLOCK SPEED 1440 MHz

TDP 230 W

BUS WIDTH 3072 bit

ARCHITECTURE Ampere

nm

PROCESS 7 nm

LAUNCH DATE 2021

PERFORMANCE BENCHMARKS

3dmark_3dmark_steel_nomad_dx12

4,079

N/A

geekbench_metal

207,444

N/A

geekbench_opencl

167,057

N/A

geekbench_vulkan

166,636

N/A

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

A30X

Core Specs

Shading Units

5,120

3,584 -30.0%

Shaders

5,120

3,584 -30.0%

TMUs

320

224 -30.0%

ROPs

128

96 -25.0%

Compute Units

80

—

SM Count

—

56

Clocks

Base Clock

1825 MHz

1035 MHz

Boost Clock

2250 MHz

1440 MHz

Game Clock

2015 MHz

—

Memory Clock

2000 MHz 16 Gbps effective

1593 MHz 3.2 Gbps effective

Memory

Memory Size

16 GB

24 GB

VRAM (MB)

16,384

24,576 +50.0%

Memory Type

GDDR6

HBM2e

Memory Bus

256 bit

3072 bit

Bandwidth

512.0 GB/s

1.22 TB/s

Cache

L1 Cache

128 KB per Array

192 KB (per SM)

L2 Cache

4 MB

24 MB

L3 Cache

128 MB

—

L0 Cache

32 KB per WGP

—

Performance

Pixel Rate

288.0 GPixel/s

138.2 GPixel/s

Texture Rate

720.0 GTexel/s

322.6 GTexel/s

FP32 (TFLOPS)

23.04 TFLOPS

10.32 TFLOPS

FP64 (TFLOPS)

1,440.0 GFLOPS (1:16)

5.161 TFLOPS (1:2)

FP16 (TFLOPS)

46.08 TFLOPS (2:1)

10.32 TFLOPS (1:1)

AI/RT

RT Cores

80

—

Tensor Cores

—

224

Power

TDP

300 W

230 W

TDP (W)

300

230 -23.3%

Suggested PSU

700 W

550 W

Power Connectors

2x 8-pin

1x 16-pin

Architecture

Architecture

RDNA 2.0

Ampere

GPU Name

Navi 21

GA100

Generation

Navi II (RX 6000)

Server Ampere (Axx)

Process Size

7 nm

7 nm

Transistors

26,800 million

54,200 million

Die Size

520 mm²

826 mm²

Foundry

TSMC

TSMC

Density

51.5M / mm²

65.6M / mm²

API Support

DirectX

12 Ultimate (12_2)

—

OpenGL

4.6

—

Vulkan

1.4

—

OpenCL

2.1

3.0

CUDA

—

8.0

Shader Model

6.8

—

Physical

Slot Width

Triple-slot

Dual-slot

Length

267 mm 10.5 inches

267 mm 10.5 inches

Height

120 mm 4.7 inches

112 mm 4.4 inches

Outputs

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

No outputs

Bus Interface

PCIe 4.0 x16

PCIe 4.0 x8

Other

Launch Price

999 USD

—

Production

End-of-life

End-of-life

Predecessor

Navi

Tesla Turing

Successor

Navi III

Server Ada

View Radeon RX 6900 XT Details View A30X Details