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

A40 PCIe

CORE STATE GA102

VRAM 48 GB

CLOCK SPEED 1740 MHz

TDP 300 W

BUS WIDTH 384 bit

ARCHITECTURE Ampere

nm

PROCESS 8 nm

LAUNCH DATE 2020

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

A40 PCIe

Core Specs

Shading Units

2,048

10,752 +425.0%

Shaders

2,048

10,752 +425.0%

TMUs

128

336 +162.5%

ROPs

64

112 +75.0%

Compute Units

32

—

SM Count

—

84

Clocks

Base Clock

1968 MHz

1305 MHz

Boost Clock

2589 MHz

1740 MHz

Game Clock

2359 MHz

—

Memory Clock

2000 MHz 16 Gbps effective

1812 MHz 14.5 Gbps effective

Memory

Memory Size

8 GB

48 GB

VRAM (MB)

8,192

49,152 +500.0%

Memory Type

GDDR6

GDDR6

Memory Bus

128 bit

384 bit

Bandwidth

256.0 GB/s

695.8 GB/s

Cache

L1 Cache

128 KB per Array

128 KB (per SM)

L2 Cache

2 MB

6 MB

L3 Cache

32 MB

—

L0 Cache

32 KB per WGP

—

Performance

Pixel Rate

165.7 GPixel/s

194.9 GPixel/s

Texture Rate

331.4 GTexel/s

584.6 GTexel/s

FP32 (TFLOPS)

10.60 TFLOPS

37.42 TFLOPS

FP64 (TFLOPS)

662.8 GFLOPS (1:16)

584.6 GFLOPS (1:64)

FP16 (TFLOPS)

21.21 TFLOPS (2:1)

37.42 TFLOPS (1:1)

AI/RT

RT Cores

32

84 +162.5%

Tensor Cores

—

336

Power

TDP

160 W

300 W

TDP (W)

160

300 +87.5%

Suggested PSU

450 W

700 W

Power Connectors

1x 8-pin

8-pin EPS

Architecture

Architecture

RDNA 2.0

Ampere

GPU Name

Navi 23

GA102

Generation

Navi II (RX 6000)

Server Ampere (Axx)

Process Size

7 nm

8 nm

Transistors

11,060 million

28,300 million

Die Size

237 mm²

628 mm²

Foundry

TSMC

Samsung

Density

46.7M / mm²

45.1M / 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

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

3x DisplayPort 1.4a

Bus Interface

PCIe 4.0 x8

PCIe 4.0 x16

Other

Launch Price

379 USD

—

Production

End-of-life

End-of-life

Predecessor

Navi

Tesla Turing

Successor

Navi III

Server Ada

View Radeon RX 6600 XT Details View A40 PCIe Details