GPU Comparison

A

AMD

RADEON

AMD Radeon RX 6600 LE

CORE STATE Navi 23

VRAM 8 GB

CLOCK SPEED 2495 MHz

TDP 132 W

BUS WIDTH 128 bit

ARCHITECTURE RDNA 2.0

nm

PROCESS 7 nm

LAUNCH DATE 2023

VS

NVIDIA

GEFORCE

RTX A4000

CORE STATE GA104

VRAM 16 GB

CLOCK SPEED 1560 MHz

TDP 140 W

BUS WIDTH 256 bit

ARCHITECTURE Ampere

nm

PROCESS 8 nm

LAUNCH DATE 2021

PERFORMANCE BENCHMARKS

geekbench_opencl

72,784

121,988

geekbench_vulkan

76,001

111,712

3dmark_3dmark_steel_nomad_dx12

N/A

2,604

passmark_directx_10

N/A

126

passmark_directx_11

N/A

158

passmark_directx_12

N/A

72

passmark_directx_9

N/A

240

passmark_g2d

N/A

1,024

passmark_g3d

N/A

19,459

passmark_gpu_compute

N/A

9,760

DETAILED SPECIFICATIONS

SPECIFICATION

RX 6600 LE

RTX A4000

Core Specs

Shading Units

1,792

6,144 +242.9%

Shaders

1,792

6,144 +242.9%

TMUs

112

192 +71.4%

ROPs

64

96 +50.0%

Compute Units

28

—

SM Count

—

48

Clocks

Base Clock

1626 MHz

735 MHz

Boost Clock

2495 MHz

1560 MHz

Game Clock

2045 MHz

—

Memory Clock

1750 MHz 14 Gbps effective

1750 MHz 14 Gbps effective

Memory

Memory Size

8 GB

16 GB

VRAM (MB)

8,192

16,384 +100.0%

Memory Type

GDDR6

GDDR6

Memory Bus

128 bit

256 bit

Bandwidth

224.0 GB/s

448.0 GB/s

Cache

L1 Cache

128 KB per Array

128 KB (per SM)

L2 Cache

2 MB

4 MB

L3 Cache

32 MB

—

L0 Cache

32 KB per WGP

—

Performance

Pixel Rate

159.7 GPixel/s

149.8 GPixel/s

Texture Rate

279.4 GTexel/s

299.5 GTexel/s

FP32 (TFLOPS)

8.942 TFLOPS

19.17 TFLOPS

FP64 (TFLOPS)

558.9 GFLOPS (1:16)

299.5 GFLOPS (1:64)

FP16 (TFLOPS)

17.88 TFLOPS (2:1)

19.17 TFLOPS (1:1)

AI/RT

RT Cores

28

48 +71.4%

Tensor Cores

—

192

Power

TDP

132 W

140 W

TDP (W)

132

140 +6.1%

Suggested PSU

300 W

300 W

Power Connectors

1x 8-pin

1x 6-pin

Architecture

Architecture

RDNA 2.0

Ampere

GPU Name

Navi 23

GA104

Generation

Navi II (RX 6000)

Workstation Ampere (Ax000)

Process Size

7 nm

8 nm

Transistors

11,060 million

17,400 million

Die Size

237 mm²

392 mm²

Foundry

TSMC

Samsung

Density

46.7M / mm²

44.4M / 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

241 mm 9.5 inches

Height

110 mm 4.3 inches

112 mm 4.4 inches

Outputs

1x HDMI 2.13x DisplayPort 1.4a

4x DisplayPort 1.4a

Bus Interface

PCIe 4.0 x8

PCIe 4.0 x16

Other

Production

Active

End-of-life

Predecessor

Navi

Quadro Turing

Successor

Navi III

Workstation Ada

View Radeon RX 6600 LE Details View RTX A4000 Details