GPU Comparison

A

AMD

RADEON

AMD Radeon Pro Duo

CORE STATE Capsaicin

VRAM 4 GB

CLOCK SPEED —

TDP 350 W

BUS WIDTH 4096 bit

ARCHITECTURE GCN 3.0

nm

PROCESS 28 nm

LAUNCH DATE 2016

VS

A

AMD

RADEON

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

PERFORMANCE BENCHMARKS

geekbench_opencl

35,860

82,736

3dmark_3dmark_steel_nomad_dx12

N/A

1,804

geekbench_metal

N/A

108,608

geekbench_vulkan

N/A

89,263

passmark_directx_10

N/A

109

passmark_directx_11

N/A

163

passmark_directx_12

N/A

61

passmark_directx_9

N/A

194

passmark_g2d

N/A

912

passmark_g3d

N/A

16,461

passmark_gpu_compute

N/A

7,520

DETAILED SPECIFICATIONS

SPECIFICATION

Pro Duo

RX 6600 XT

Core Specs

Shading Units

4,096

2,048 -50.0%

Shaders

4,096

2,048 -50.0%

TMUs

256

128 -50.0%

ROPs

64

64 0.0%

Compute Units

64

32 -50.0%

Clocks

Base Clock

—

1968 MHz

Boost Clock

—

2589 MHz

GPU Clock

1000 MHz

—

Game Clock

—

2359 MHz

Memory Clock

500 MHz 1000 Mbps effective

2000 MHz 16 Gbps effective

Memory

Memory Size

4 GB

8 GB

VRAM (MB)

4,096

8,192 +100.0%

Memory Type

HBM

GDDR6

Memory Bus

4096 bit

128 bit

Bandwidth

512.0 GB/s

256.0 GB/s

Cache

L1 Cache

16 KB (per CU)

128 KB per Array

L2 Cache

2 MB

2 MB

L3 Cache

—

32 MB

L0 Cache

—

32 KB per WGP

Performance

Pixel Rate

64.00 GPixel/s

165.7 GPixel/s

Texture Rate

256.0 GTexel/s

331.4 GTexel/s

FP32 (TFLOPS)

8.192 TFLOPS

10.60 TFLOPS

FP64 (TFLOPS)

512.0 GFLOPS (1:16)

662.8 GFLOPS (1:16)

FP16 (TFLOPS)

8.192 TFLOPS (1:1)

21.21 TFLOPS (2:1)

AI/RT

RT Cores

—

32

Power

TDP

350 W

160 W

TDP (W)

350

160 -54.3%

Suggested PSU

750 W

450 W

Power Connectors

3x 8-pin

1x 8-pin

Architecture

Architecture

GCN 3.0

RDNA 2.0

GPU Name

Capsaicin

Navi 23

Generation

Radeon Pro GCN

Navi II (RX 6000)

Process Size

28 nm

7 nm

Transistors

8,900 million

11,060 million

Die Size

596 mm²

237 mm²

Foundry

TSMC

TSMC

Density

14.9M / mm²

46.7M / mm²

API Support

DirectX

12 (12_0)

12 Ultimate (12_2)

OpenGL

4.6

4.6

Vulkan

1.2.170

1.4

OpenCL

2.1

2.1

Shader Model

6.5

6.8

Physical

Slot Width

Dual-slot

Dual-slot

Length

277 mm 10.9 inches

190 mm 7.5 inches

Height

111 mm 4.4 inches

110 mm 4.3 inches

Outputs

1x HDMI 1.4a3x DisplayPort 1.2

1x HDMI 2.13x DisplayPort 1.4a

Bus Interface

PCIe 3.0 x16

PCIe 4.0 x8

Other

Launch Price

1,499 USD

379 USD

Production

End-of-life

End-of-life

Predecessor

FirePro GCN

Navi

Successor

Radeon Pro Polaris

Navi III

View Radeon Pro Duo Details View Radeon RX 6600 XT Details