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

RTX A400

CORE STATE GA107

VRAM 4 GB

CLOCK SPEED 1762 MHz

TDP 50 W

BUS WIDTH 64 bit

ARCHITECTURE Ampere

nm

PROCESS 8 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

22,844

geekbench_vulkan

89,263

21,769

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

RTX A400

Core Specs

Shading Units

2,048

768 -62.5%

Shaders

2,048

768 -62.5%

TMUs

128

24 -81.3%

ROPs

64

16 -75.0%

Compute Units

32

—

SM Count

—

6

Clocks

Base Clock

1968 MHz

1417 MHz

Boost Clock

2589 MHz

1762 MHz

Game Clock

2359 MHz

—

Memory Clock

2000 MHz 16 Gbps effective

1500 MHz 12 Gbps effective

Memory

Memory Size

8 GB

4 GB

VRAM (MB)

8,192

4,096 -50.0%

Memory Type

GDDR6

GDDR6

Memory Bus

128 bit

64 bit

Bandwidth

256.0 GB/s

96.00 GB/s

Cache

L1 Cache

128 KB per Array

128 KB (per SM)

L2 Cache

2 MB

2 MB

L3 Cache

32 MB

—

L0 Cache

32 KB per WGP

—

Performance

Pixel Rate

165.7 GPixel/s

28.19 GPixel/s

Texture Rate

331.4 GTexel/s

42.29 GTexel/s

FP32 (TFLOPS)

10.60 TFLOPS

2.706 TFLOPS

FP64 (TFLOPS)

662.8 GFLOPS (1:16)

42.29 GFLOPS (1:64)

FP16 (TFLOPS)

21.21 TFLOPS (2:1)

2.706 TFLOPS (1:1)

AI/RT

RT Cores

32

6 -81.3%

Tensor Cores

—

24

Power

TDP

160 W

50 W

TDP (W)

160

50 -68.8%

Suggested PSU

450 W

250 W

Power Connectors

1x 8-pin

None

Architecture

Architecture

RDNA 2.0

Ampere

GPU Name

Navi 23

GA107

Generation

Navi II (RX 6000)

Workstation Ampere (Ax000)

Process Size

7 nm

8 nm

Transistors

11,060 million

8,700 million

Die Size

237 mm²

200 mm²

Foundry

TSMC

Samsung

Density

46.7M / mm²

43.5M / mm²

API Support

DirectX

12 Ultimate (12_2)

12 Ultimate (12_2)

OpenGL

4.6

4.6

Vulkan

1.4

1.4

OpenCL

2.1

3.0

CUDA

—

8.6

Shader Model

6.8

6.8

Physical

Slot Width

Dual-slot

Single-slot

Length

190 mm 7.5 inches

163 mm 6.4 inches

Height

110 mm 4.3 inches

69 mm 2.7 inches

Outputs

1x HDMI 2.13x DisplayPort 1.4a

4x mini-DisplayPort 1.4a

Bus Interface

PCIe 4.0 x8

PCIe 4.0 x8

Other

Launch Price

379 USD

—

Production

End-of-life

Active

Predecessor

Navi

Quadro Turing

Successor

Navi III

Workstation Ada

View Radeon RX 6600 XT Details View RTX A400 Details