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

GeForce 6800 Ultra

CORE STATE NV40

VRAM 256 MB

CLOCK SPEED —

TDP —

BUS WIDTH 256 bit

ARCHITECTURE Curie

nm

PROCESS 130 nm

LAUNCH DATE 2004

PERFORMANCE BENCHMARKS

3dmark_3dmark_steel_nomad_dx12

1,804

N/A

geekbench_metal

108,608

N/A

geekbench_opencl

82,736

N/A

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

6800 Ultra

Core Specs

Shading Units

2,048

—

Shaders

2,048

—

TMUs

128

16 -87.5%

ROPs

64

16 -75.0%

Compute Units

32

—

Clocks

Base Clock

1968 MHz

—

Boost Clock

2589 MHz

—

GPU Clock

—

425 MHz

Game Clock

2359 MHz

—

Memory Clock

2000 MHz 16 Gbps effective

550 MHz 1100 Mbps effective

Memory

Memory Size

8 GB

256 MB

VRAM (MB)

8,192

256 -96.9%

Memory Type

GDDR6

GDDR3

Memory Bus

128 bit

256 bit

Bandwidth

256.0 GB/s

35.20 GB/s

Cache

L1 Cache

128 KB per Array

—

L2 Cache

2 MB

—

L3 Cache

32 MB

—

L0 Cache

32 KB per WGP

—

Performance

Pixel Rate

165.7 GPixel/s

6.800 GPixel/s

Texture Rate

331.4 GTexel/s

6.800 GTexel/s

FP32 (TFLOPS)

10.60 TFLOPS

—

FP64 (TFLOPS)

662.8 GFLOPS (1:16)

—

FP16 (TFLOPS)

21.21 TFLOPS (2:1)

—

AI/RT

RT Cores

32

—

Power

TDP

160 W

—

TDP (W)

160

—

Suggested PSU

450 W

200 W

Power Connectors

1x 8-pin

2x Molex

Architecture

Architecture

RDNA 2.0

Curie

GPU Name

Navi 23

NV40

Generation

Navi II (RX 6000)

GeForce 6 AGP (6800)

Process Size

7 nm

130 nm

Transistors

11,060 million

222 million

Die Size

237 mm²

287 mm²

Foundry

TSMC

TSMC

Density

46.7M / mm²

773.5K / mm²

API Support

DirectX

12 Ultimate (12_2)

9.0c (9_3)

OpenGL

4.6

2.0.3 (full) 2.1 (partial)

Vulkan

1.4

—

OpenCL

2.1

—

Shader Model

6.8

3.0

Physical

Slot Width

Dual-slot

Single-slot

Length

190 mm 7.5 inches

216 mm 8.5 inches

Height

110 mm 4.3 inches

—

Outputs

1x HDMI 2.13x DisplayPort 1.4a

2x DVI1x S-Video

Bus Interface

PCIe 4.0 x8

AGP 8x

Other

Launch Price

379 USD

—

Production

End-of-life

End-of-life

Predecessor

Navi

GeForce FX

Successor

Navi III

GeForce 7 AGP

View Radeon RX 6600 XT Details View GeForce 6800 Ultra Details