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

CORE STATE GM204

VRAM 4 GB

CLOCK SPEED 1216 MHz

TDP 165 W

BUS WIDTH 256 bit

ARCHITECTURE Maxwell 2.0

nm

PROCESS 28 nm

LAUNCH DATE 2014

PERFORMANCE BENCHMARKS

3dmark_3dmark_steel_nomad_dx12

1,804

474

geekbench_metal

108,608

15,163

geekbench_opencl

82,736

33,457

geekbench_vulkan

89,263

38,172

passmark_directx_10

109

53

passmark_directx_11

163

83

passmark_directx_12

61

46

passmark_directx_9

194

164

passmark_g2d

912

792

passmark_g3d

16,461

11,095

passmark_gpu_compute

7,520

4,753

DETAILED SPECIFICATIONS

SPECIFICATION

RX 6600 XT

GTX 980

Core Specs

Shading Units

2,048

2,048 0.0%

Shaders

2,048

2,048 0.0%

TMUs

128

128 0.0%

ROPs

64

64 0.0%

Compute Units

32

—

Clocks

Base Clock

1968 MHz

1127 MHz

Boost Clock

2589 MHz

1216 MHz

Game Clock

2359 MHz

—

Memory Clock

2000 MHz 16 Gbps effective

1753 MHz 7 Gbps effective

Memory

Memory Size

8 GB

4 GB

VRAM (MB)

8,192

4,096 -50.0%

Memory Type

GDDR6

GDDR5

Memory Bus

128 bit

256 bit

Bandwidth

256.0 GB/s

224.4 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

77.82 GPixel/s

Texture Rate

331.4 GTexel/s

155.6 GTexel/s

FP32 (TFLOPS)

10.60 TFLOPS

4.981 TFLOPS

FP64 (TFLOPS)

662.8 GFLOPS (1:16)

155.6 GFLOPS (1:32)

FP16 (TFLOPS)

21.21 TFLOPS (2:1)

—

AI/RT

RT Cores

32

—

Power

TDP

160 W

165 W

TDP (W)

160

165 +3.1%

Suggested PSU

450 W

450 W

Power Connectors

1x 8-pin

2x 6-pin

Architecture

Architecture

RDNA 2.0

Maxwell 2.0

GPU Name

Navi 23

GM204

Generation

Navi II (RX 6000)

GeForce 900

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

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

549 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 Details