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

A16 PCIe

CORE STATE GA107

VRAM 16 GB

CLOCK SPEED 1755 MHz

TDP 250 W

BUS WIDTH 128 bit

ARCHITECTURE Ampere

nm

PROCESS 8 nm

LAUNCH DATE 2021

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

A16 PCIe

Core Specs

Shading Units

2,048

1,280 -37.5%

Shaders

2,048

1,280 -37.5%

TMUs

128

40 -68.8%

ROPs

64

32 -50.0%

Compute Units

32

—

SM Count

—

10

Clocks

Base Clock

1968 MHz

1312 MHz

Boost Clock

2589 MHz

1755 MHz

Game Clock

2359 MHz

—

Memory Clock

2000 MHz 16 Gbps effective

1563 MHz 12.5 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

128 bit

Bandwidth

256.0 GB/s

200.1 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

56.16 GPixel/s

Texture Rate

331.4 GTexel/s

70.20 GTexel/s

FP32 (TFLOPS)

10.60 TFLOPS

4.493 TFLOPS

FP64 (TFLOPS)

662.8 GFLOPS (1:16)

140.4 GFLOPS (1:32)

FP16 (TFLOPS)

21.21 TFLOPS (2:1)

4.493 TFLOPS (1:1)

AI/RT

RT Cores

32

10 -68.8%

Tensor Cores

—

40

Power

TDP

160 W

250 W

TDP (W)

160

250 +56.3%

Suggested PSU

450 W

600 W

Power Connectors

1x 8-pin

8-pin EPS

Architecture

Architecture

RDNA 2.0

Ampere

GPU Name

Navi 23

GA107

Generation

Navi II (RX 6000)

Server Ampere (Axx)

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

Dual-slot

Length

190 mm 7.5 inches

267 mm 10.5 inches

Height

110 mm 4.3 inches

112 mm 4.4 inches

Outputs

1x HDMI 2.13x DisplayPort 1.4a

No outputs

Bus Interface

PCIe 4.0 x8

PCIe 4.0 x8

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 A16 PCIe Details