GPU Comparison

A

AMD

RADEON

AMD Radeon RX 6800 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

B200

CORE STATE GB100

VRAM 90 GB

CLOCK SPEED 1965 MHz

TDP 1000 W

BUS WIDTH 4096 bit

ARCHITECTURE Blackwell

nm

PROCESS 5 nm

LAUNCH DATE —

PERFORMANCE BENCHMARKS

3dmark_3dmark_steel_nomad_dx12

3,689

N/A

geekbench_metal

175,965

N/A

geekbench_opencl

171,752

345,482

geekbench_vulkan

135,204

N/A

passmark_directx_10

155

N/A

passmark_directx_11

264

N/A

passmark_directx_12

100

N/A

passmark_directx_9

265

N/A

passmark_g2d

1,030

N/A

passmark_g3d

24,980

N/A

passmark_gpu_compute

13,245

N/A

DETAILED SPECIFICATIONS

SPECIFICATION

RX 6800 XT

B200

Core Specs

Shading Units

4,608

18,944 +311.1%

Shaders

4,608

18,944 +311.1%

TMUs

288

592 +105.6%

ROPs

128

24 -81.3%

Compute Units

72

—

SM Count

—

148

Clocks

Base Clock

1825 MHz

700 MHz

Boost Clock

2250 MHz

1965 MHz

Game Clock

2015 MHz

—

Memory Clock

2000 MHz 16 Gbps effective

2000 MHz 8 Gbps effective

Memory

Memory Size

16 GB

90 GB

VRAM (MB)

16,384

92,160 +462.5%

Memory Type

GDDR6

HBM3e

Memory Bus

256 bit

4096 bit

Bandwidth

512.0 GB/s

4.10 TB/s

Cache

L1 Cache

128 KB per Array

256 KB (per SM)

L2 Cache

4 MB

50 MB

L3 Cache

128 MB

—

L0 Cache

32 KB per WGP

—

Performance

Pixel Rate

288.0 GPixel/s

47.16 GPixel/s

Texture Rate

648.0 GTexel/s

1,163.3 GTexel/s

FP32 (TFLOPS)

20.74 TFLOPS

74.45 TFLOPS

FP64 (TFLOPS)

1,296.0 GFLOPS (1:16)

37.22 TFLOPS (1:2)

FP16 (TFLOPS)

41.47 TFLOPS (2:1)

1,191.2 TFLOPS (16:1)

AI/RT

RT Cores

72

—

Tensor Cores

—

592

Power

TDP

300 W

1000 W

TDP (W)

300

1,000 +233.3%

Suggested PSU

700 W

1400 W

Power Connectors

2x 8-pin

—

Architecture

Architecture

RDNA 2.0

Blackwell

GPU Name

Navi 21

GB100

Generation

Navi II (RX 6000)

Server Blackwell (Bxx)

Process Size

7 nm

5 nm

Transistors

26,800 million

104,000 million

Die Size

520 mm²

—

Foundry

TSMC

TSMC

Density

51.5M / mm²

—

API Support

DirectX

12 Ultimate (12_2)

—

OpenGL

4.6

—

Vulkan

1.4

—

OpenCL

2.1

3.0

CUDA

—

10.0

Shader Model

6.8

—

Physical

Slot Width

Dual-slot

SXM Module

Length

267 mm 10.5 inches

—

Height

120 mm 4.7 inches

—

Outputs

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

No outputs

Bus Interface

PCIe 4.0 x16

PCIe 5.0 x16

Other

Launch Price

649 USD

—

Production

End-of-life

Active

Predecessor

Navi

Server Hopper

Successor

Navi III

Server Rubin

View Radeon RX 6800 XT Details View B200 Details