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

GeForce GTX 980M

CORE STATE GM204

VRAM 8 GB

CLOCK SPEED 1127 MHz

TDP —

BUS WIDTH 256 bit

ARCHITECTURE Maxwell 2.0

nm

PROCESS 28 nm

LAUNCH DATE 2014

PERFORMANCE BENCHMARKS

3dmark_3dmark_steel_nomad_dx12

1,804

649

geekbench_metal

108,608

N/A

geekbench_opencl

82,736

23,832

geekbench_vulkan

89,263

13,964

passmark_directx_10

109

35

passmark_directx_11

163

57

passmark_directx_12

61

31

passmark_directx_9

194

125

passmark_g2d

912

490

passmark_g3d

16,461

7,338

passmark_gpu_compute

7,520

2,816

DETAILED SPECIFICATIONS

SPECIFICATION

RX 6600 XT

GTX 980M

Core Specs

Shading Units

2,048

1,536 -25.0%

Shaders

2,048

1,536 -25.0%

TMUs

128

96 -25.0%

ROPs

64

64 0.0%

Compute Units

32

—

Clocks

Base Clock

1968 MHz

1038 MHz

Boost Clock

2589 MHz

1127 MHz

Game Clock

2359 MHz

—

Memory Clock

2000 MHz 16 Gbps effective

1253 MHz 5 Gbps effective

Memory

Memory Size

8 GB

8 GB

VRAM (MB)

8,192

8,192 0.0%

Memory Type

GDDR6

GDDR5

Memory Bus

128 bit

256 bit

Bandwidth

256.0 GB/s

160.4 GB/s

Cache

L1 Cache

128 KB per Array

48 KB (per SMM)

L2 Cache

2 MB

2 MB

L3 Cache

32 MB

—

L0 Cache

32 KB per WGP

—

Performance

Pixel Rate

165.7 GPixel/s

72.13 GPixel/s

Texture Rate

331.4 GTexel/s

108.2 GTexel/s

FP32 (TFLOPS)

10.60 TFLOPS

3.462 TFLOPS

FP64 (TFLOPS)

662.8 GFLOPS (1:16)

108.2 GFLOPS (1:32)

FP16 (TFLOPS)

21.21 TFLOPS (2:1)

—

AI/RT

RT Cores

32

—

Power

TDP

160 W

—

TDP (W)

160

—

Suggested PSU

450 W

—

Power Connectors

1x 8-pin

None

Architecture

Architecture

RDNA 2.0

Maxwell 2.0

GPU Name

Navi 23

GM204

Generation

Navi II (RX 6000)

GeForce 900M

Process Size

7 nm

28 nm

Transistors

11,060 million

5,200 million

Die Size

237 mm²

398 mm²

Foundry

TSMC

TSMC

Density

46.7M / mm²

13.1M / mm²

API Support

DirectX

12 Ultimate (12_2)

12 (12_1)

OpenGL

4.6

4.6

Vulkan

1.4

1.4

OpenCL

2.1

3.0

CUDA

—

5.2

Shader Model

6.8

6.8

Physical

Slot Width

Dual-slot

MXM Module

Length

190 mm 7.5 inches

—

Height

110 mm 4.3 inches

—

Outputs

1x HDMI 2.13x DisplayPort 1.4a

Portable Device Dependent

Bus Interface

PCIe 4.0 x8

MXM-B (3.0)

Other

Launch Price

379 USD

—

Production

End-of-life

End-of-life

Predecessor

Navi

GeForce 800M

Successor

Navi III

GeForce 10 Mobile

View Radeon RX 6600 XT Details View GeForce GTX 980M Details