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

H200 NVL

CORE STATE GH100

VRAM 141 GB

CLOCK SPEED 1785 MHz

TDP 600 W

BUS WIDTH 6144 bit

ARCHITECTURE Hopper

nm

PROCESS 5 nm

LAUNCH DATE 2024

PERFORMANCE BENCHMARKS

3dmark_3dmark_steel_nomad_dx12

1,804

N/A

geekbench_metal

108,608

N/A

geekbench_opencl

82,736

305,608

geekbench_vulkan

89,263

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

H200 NVL

Core Specs

Shading Units

2,048

16,896 +725.0%

Shaders

2,048

16,896 +725.0%

TMUs

128

528 +312.5%

ROPs

64

24 -62.5%

Compute Units

32

—

SM Count

—

132

Clocks

Base Clock

1968 MHz

1365 MHz

Boost Clock

2589 MHz

1785 MHz

Game Clock

2359 MHz

—

Memory Clock

2000 MHz 16 Gbps effective

1593 MHz 6.4 Gbps effective

Memory

Memory Size

8 GB

141 GB

VRAM (MB)

8,192

144,384 +1662.5%

Memory Type

GDDR6

HBM3e

Memory Bus

128 bit

6144 bit

Bandwidth

256.0 GB/s

4.89 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

42.84 GPixel/s

Texture Rate

331.4 GTexel/s

942.5 GTexel/s

FP32 (TFLOPS)

10.60 TFLOPS

60.32 TFLOPS

FP64 (TFLOPS)

662.8 GFLOPS (1:16)

30.16 TFLOPS (1:2)

FP16 (TFLOPS)

21.21 TFLOPS (2:1)

241.3 TFLOPS (4:1)

AI/RT

RT Cores

32

—

Tensor Cores

—

528

Power

TDP

160 W

600 W

TDP (W)

160

600 +275.0%

Suggested PSU

450 W

1000 W

Power Connectors

1x 8-pin

8-pin EPS

Architecture

Architecture

RDNA 2.0

Hopper

GPU Name

Navi 23

GH100

Generation

Navi II (RX 6000)

Server Hopper (Hxx)

Process Size

7 nm

5 nm

Transistors

11,060 million

80,000 million

Die Size

237 mm²

814 mm²

Foundry

TSMC

TSMC

Density

46.7M / mm²

98.3M / mm²

API Support

DirectX

12 Ultimate (12_2)

—

OpenGL

4.6

—

Vulkan

1.4

—

OpenCL

2.1

3.0

CUDA

—

9.0

Shader Model

6.8

—

Physical

Slot Width

Dual-slot

Dual-slot

Length

190 mm 7.5 inches

267 mm 10.5 inches

Height

110 mm 4.3 inches

111 mm 4.4 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 Ada

Successor

Navi III

Server Blackwell

View Radeon RX 6600 XT Details View H200 NVL Details