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 980 Ti

CORE STATE GM200

VRAM 6 GB

CLOCK SPEED 1076 MHz

TDP 250 W

BUS WIDTH 384 bit

ARCHITECTURE Maxwell 2.0

nm

PROCESS 28 nm

LAUNCH DATE 2015

PERFORMANCE BENCHMARKS

3dmark_3dmark_steel_nomad_dx12

1,804

1,321

geekbench_metal

108,608

19,520

geekbench_opencl

82,736

43,259

geekbench_vulkan

89,263

47,724

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

GTX 980 Ti

Core Specs

Shading Units

2,048

2,816 +37.5%

Shaders

2,048

2,816 +37.5%

TMUs

128

176 +37.5%

ROPs

64

96 +50.0%

Compute Units

32

—

Clocks

Base Clock

1968 MHz

1000 MHz

Boost Clock

2589 MHz

1076 MHz

Game Clock

2359 MHz

—

Memory Clock

2000 MHz 16 Gbps effective

1753 MHz 7 Gbps effective

Memory

Memory Size

8 GB

6 GB

VRAM (MB)

8,192

6,144 -25.0%

Memory Type

GDDR6

GDDR5

Memory Bus

128 bit

384 bit

Bandwidth

256.0 GB/s

336.6 GB/s

Cache

L1 Cache

128 KB per Array

48 KB (per SMM)

L2 Cache

2 MB

3 MB

L3 Cache

32 MB

—

L0 Cache

32 KB per WGP

—

Performance

Pixel Rate

165.7 GPixel/s

103.3 GPixel/s

Texture Rate

331.4 GTexel/s

189.4 GTexel/s

FP32 (TFLOPS)

10.60 TFLOPS

6.060 TFLOPS

FP64 (TFLOPS)

662.8 GFLOPS (1:16)

189.4 GFLOPS (1:32)

FP16 (TFLOPS)

21.21 TFLOPS (2:1)

—

AI/RT

RT Cores

32

—

Power

TDP

160 W

250 W

TDP (W)

160

250 +56.3%

Suggested PSU

450 W

600 W

Power Connectors

1x 8-pin

1x 6-pin + 1x 8-pin

Architecture

Architecture

RDNA 2.0

Maxwell 2.0

GPU Name

Navi 23

GM200

Generation

Navi II (RX 6000)

GeForce 900

Process Size

7 nm

28 nm

Transistors

11,060 million

8,000 million

Die Size

237 mm²

601 mm²

Foundry

TSMC

TSMC

Density

46.7M / mm²

13.3M / 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

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

1x DVI1x HDMI 2.03x DisplayPort 1.2

Bus Interface

PCIe 4.0 x8

PCIe 3.0 x16

Other

Launch Price

379 USD

649 USD

Production

End-of-life

End-of-life

Predecessor

Navi

GeForce 700

Successor

Navi III

GeForce 10

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