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 680

CORE STATE GK104

VRAM 2 GB

CLOCK SPEED 1058 MHz

TDP 195 W

BUS WIDTH 256 bit

ARCHITECTURE Kepler

nm

PROCESS 28 nm

LAUNCH DATE 2012

PERFORMANCE BENCHMARKS

3dmark_3dmark_steel_nomad_dx12

1,804

N/A

geekbench_metal

108,608

6,987

geekbench_opencl

82,736

16,803

geekbench_vulkan

89,263

17,646

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 680

Core Specs

Shading Units

2,048

1,536 -25.0%

Shaders

2,048

1,536 -25.0%

TMUs

128

128 0.0%

ROPs

64

32 -50.0%

Compute Units

32

—

Clocks

Base Clock

1968 MHz

1006 MHz

Boost Clock

2589 MHz

1058 MHz

Game Clock

2359 MHz

—

Memory Clock

2000 MHz 16 Gbps effective

1502 MHz 6 Gbps effective

Memory

Memory Size

8 GB

2 GB

VRAM (MB)

8,192

2,048 -75.0%

Memory Type

GDDR6

GDDR5

Memory Bus

128 bit

256 bit

Bandwidth

256.0 GB/s

192.3 GB/s

Cache

L1 Cache

128 KB per Array

16 KB (per SMX)

L2 Cache

2 MB

512 KB

L3 Cache

32 MB

—

L0 Cache

32 KB per WGP

—

Performance

Pixel Rate

165.7 GPixel/s

33.86 GPixel/s

Texture Rate

331.4 GTexel/s

135.4 GTexel/s

FP32 (TFLOPS)

10.60 TFLOPS

3.250 TFLOPS

FP64 (TFLOPS)

662.8 GFLOPS (1:16)

135.4 GFLOPS (1:24)

FP16 (TFLOPS)

21.21 TFLOPS (2:1)

—

AI/RT

RT Cores

32

—

Power

TDP

160 W

195 W

TDP (W)

160

195 +21.9%

Suggested PSU

450 W

450 W

Power Connectors

1x 8-pin

2x 6-pin

Architecture

Architecture

RDNA 2.0

Kepler

GPU Name

Navi 23

GK104

Generation

Navi II (RX 6000)

GeForce 600

Process Size

7 nm

28 nm

Transistors

11,060 million

3,540 million

Die Size

237 mm²

294 mm²

Foundry

TSMC

TSMC

Density

46.7M / mm²

12.0M / mm²

API Support

DirectX

12 Ultimate (12_2)

12 (11_0)

OpenGL

4.6

4.6

Vulkan

1.4

1.2.175

OpenCL

2.1

3.0

CUDA

—

3.0

Shader Model

6.8

6.5 (5.1)

Physical

Slot Width

Dual-slot

Dual-slot

Length

190 mm 7.5 inches

256 mm 10.1 inches

Height

110 mm 4.3 inches

111 mm 4.4 inches

Outputs

1x HDMI 2.13x DisplayPort 1.4a

2x DVI1x HDMI 1.4a1x DisplayPort 1.2

Bus Interface

PCIe 4.0 x8

PCIe 3.0 x16

Other

Launch Price

379 USD

499 USD

Production

End-of-life

End-of-life

Predecessor

Navi

GeForce 500

Successor

Navi III

GeForce 700

View Radeon RX 6600 XT Details View GeForce GTX 680 Details