GPU Comparison

A

AMD

RADEON

AMD Radeon RX 6900 XT

CORE STATE Navi 21

VRAM 16 GB

CLOCK SPEED 2250 MHz

TDP 300 W

BUS WIDTH 256 bit

ARCHITECTURE RDNA 2.0

nm

PROCESS 7 nm

LAUNCH DATE 2020

VS

NVIDIA

GEFORCE

GeForce GTX 675MX

CORE STATE GK104

VRAM 2 GB

CLOCK SPEED —

TDP 100 W

BUS WIDTH 256 bit

ARCHITECTURE Kepler

nm

PROCESS 28 nm

LAUNCH DATE 2012

PERFORMANCE BENCHMARKS

3dmark_3dmark_steel_nomad_dx12

4,079

N/A

geekbench_metal

207,444

5,465

geekbench_opencl

167,057

10,723

geekbench_vulkan

166,636

N/A

passmark_directx_10

167

N/A

passmark_directx_11

279

N/A

passmark_directx_12

113

N/A

passmark_directx_9

268

N/A

passmark_g2d

1,055

N/A

passmark_g3d

26,732

N/A

passmark_gpu_compute

14,547

N/A

DETAILED SPECIFICATIONS

SPECIFICATION

RX 6900 XT

GTX 675MX

Core Specs

Shading Units

5,120

960 -81.3%

Shaders

5,120

960 -81.3%

TMUs

320

80 -75.0%

ROPs

128

32 -75.0%

Compute Units

80

—

Clocks

Base Clock

1825 MHz

—

Boost Clock

2250 MHz

—

GPU Clock

—

654 MHz

Game Clock

2015 MHz

—

Memory Clock

2000 MHz 16 Gbps effective

900 MHz 3.6 Gbps effective

Memory

Memory Size

16 GB

2 GB

VRAM (MB)

16,384

2,048 -87.5%

Memory Type

GDDR6

GDDR5

Memory Bus

256 bit

256 bit

Bandwidth

512.0 GB/s

115.2 GB/s

Cache

L1 Cache

128 KB per Array

16 KB (per SMX)

L2 Cache

4 MB

512 KB

L3 Cache

128 MB

—

L0 Cache

32 KB per WGP

—

Performance

Pixel Rate

288.0 GPixel/s

13.08 GPixel/s

Texture Rate

720.0 GTexel/s

52.32 GTexel/s

FP32 (TFLOPS)

23.04 TFLOPS

1,255.7 GFLOPS

FP64 (TFLOPS)

1,440.0 GFLOPS (1:16)

52.32 GFLOPS (1:24)

FP16 (TFLOPS)

46.08 TFLOPS (2:1)

—

AI/RT

RT Cores

80

—

Power

TDP

300 W

100 W

TDP (W)

300

100 -66.7%

Suggested PSU

700 W

—

Power Connectors

2x 8-pin

None

Architecture

Architecture

RDNA 2.0

Kepler

GPU Name

Navi 21

GK104

Generation

Navi II (RX 6000)

GeForce 600M

Process Size

7 nm

28 nm

Transistors

26,800 million

3,540 million

Die Size

520 mm²

294 mm²

Foundry

TSMC

TSMC

Density

51.5M / 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

Triple-slot

MXM Module

Length

267 mm 10.5 inches

—

Height

120 mm 4.7 inches

—

Outputs

1x HDMI 2.12x DisplayPort 1.4a1x USB Type-C

Portable Device Dependent

Bus Interface

PCIe 4.0 x16

MXM-B (3.0)

Other

Launch Price

999 USD

—

Production

End-of-life

End-of-life

Predecessor

Navi

GeForce 500M

Successor

Navi III

GeForce 700M

View Radeon RX 6900 XT Details View GeForce GTX 675MX Details