GPU Comparison

A

AMD

RADEON

AMD Radeon RX 6600 XT

CORE STATE Navi 23

VRAM 8 GB

CLOCK SPEED 2589 MHz

TDP 160 W

BUS WIDTH 128 bit

ARCHITECTURE RDNA 2.0

nm

PROCESS 7 nm

LAUNCH DATE 2021

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

1,804

N/A

geekbench_metal

88,720

N/A

geekbench_opencl

80,162

345,482

geekbench_vulkan

73,734

N/A

passmark_directx_10

109

N/A

passmark_directx_11

163

N/A

passmark_directx_12

61

N/A

passmark_directx_9

194

N/A

passmark_g2d

912

N/A

passmark_g3d

16,461

N/A

passmark_gpu_compute

7,520

N/A

DETAILED SPECIFICATIONS

SPECIFICATION

RX 6600 XT

B200

Core Specs

Shading Units

2,048

18,944 +825.0%

Shaders

2,048

18,944 +825.0%

TMUs

128

592 +362.5%

ROPs

64

24 -62.5%

Compute Units

32

—

SM Count

—

148

Clocks

Base Clock

1968 MHz

700 MHz

Boost Clock

2589 MHz

1965 MHz

Game Clock

2359 MHz

—

Memory Clock

2000 MHz 16 Gbps effective

2000 MHz 8 Gbps effective

Memory

Memory Size

8 GB

90 GB

VRAM (MB)

8,192

92,160 +1025.0%

Memory Type

GDDR6

HBM3e

Memory Bus

128 bit

4096 bit

Bandwidth

256.0 GB/s

4.10 TB/s

Cache

L1 Cache

128 KB per Array

256 KB (per SM)

L2 Cache

2 MB

50 MB

L3 Cache

32 MB

—

L0 Cache

32 KB per WGP

—

Performance

Pixel Rate

165.7 GPixel/s

47.16 GPixel/s

Texture Rate

331.4 GTexel/s

1,163.3 GTexel/s

FP32 (TFLOPS)

10.60 TFLOPS

74.45 TFLOPS

FP64 (TFLOPS)

662.8 GFLOPS (1:16)

37.22 TFLOPS (1:2)

FP16 (TFLOPS)

21.21 TFLOPS (2:1)

1,191.2 TFLOPS (16:1)

AI/RT

RT Cores

32

—

Tensor Cores

—

592

Power

TDP

160 W

1000 W

TDP (W)

160

1,000 +525.0%

Suggested PSU

450 W

1400 W

Power Connectors

1x 8-pin

—

Architecture

Architecture

RDNA 2.0

Blackwell

GPU Name

Navi 23

GB100

Generation

Navi II (RX 6000)

Server Blackwell (Bxx)

Process Size

7 nm

5 nm

Transistors

11,060 million

104,000 million

Die Size

237 mm²

—

Foundry

TSMC

TSMC

Density

46.7M / 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

190 mm 7.5 inches

—

Height

110 mm 4.3 inches

—

Outputs

1x HDMI 2.13x DisplayPort 1.4a

No outputs

Bus Interface

PCIe 4.0 x8

PCIe 5.0 x16

Other

Launch Price

379 USD

—

Production

End-of-life

Active

Predecessor

Navi

Server Hopper

Successor

Navi III

Server Rubin

View Radeon RX 6600 XT Details View B200 Details