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 GT 555M 2 GB

CORE STATE GF116S

VRAM 2 GB

CLOCK SPEED —

TDP 35 W

BUS WIDTH 128 bit

ARCHITECTURE Fermi 2.0

nm

PROCESS 40 nm

LAUNCH DATE 2012

PERFORMANCE BENCHMARKS

3dmark_3dmark_steel_nomad_dx12

4,079

N/A

geekbench_metal

207,444

N/A

geekbench_opencl

167,057

N/A

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

GT 555M 2 GB

Core Specs

Shading Units

5,120

144 -97.2%

Shaders

5,120

144 -97.2%

TMUs

320

24 -92.5%

ROPs

128

16 -87.5%

Compute Units

80

—

SM Count

—

2

Clocks

Base Clock

1825 MHz

—

Boost Clock

2250 MHz

—

GPU Clock

—

675 MHz

Game Clock

2015 MHz

—

Shader Clock

—

1350 MHz

Memory Clock

2000 MHz 16 Gbps effective

900 MHz 1800 Mbps effective

Memory

Memory Size

16 GB

2 GB

VRAM (MB)

16,384

2,048 -87.5%

Memory Type

GDDR6

DDR3

Memory Bus

256 bit

128 bit

Bandwidth

512.0 GB/s

28.80 GB/s

Cache

L1 Cache

128 KB per Array

64 KB (per SM)

L2 Cache

4 MB

256 KB

L3 Cache

128 MB

—

L0 Cache

32 KB per WGP

—

Performance

Pixel Rate

288.0 GPixel/s

2.700 GPixel/s

Texture Rate

720.0 GTexel/s

16.20 GTexel/s

FP32 (TFLOPS)

23.04 TFLOPS

388.8 GFLOPS

FP64 (TFLOPS)

1,440.0 GFLOPS (1:16)

32.40 GFLOPS (1:12)

FP16 (TFLOPS)

46.08 TFLOPS (2:1)

—

AI/RT

RT Cores

80

—

Power

TDP

300 W

35 W

TDP (W)

300

35 -88.3%

Suggested PSU

700 W

—

Power Connectors

2x 8-pin

None

Architecture

Architecture

RDNA 2.0

Fermi 2.0

GPU Name

Navi 21

GF116S

Generation

Navi II (RX 6000)

GeForce 500M

Process Size

7 nm

40 nm

Transistors

26,800 million

1,170 million

Die Size

520 mm²

238 mm²

Foundry

TSMC

TSMC

Density

51.5M / mm²

4.9M / mm²

API Support

DirectX

12 Ultimate (12_2)

12 (11_0)

OpenGL

4.6

4.6

Vulkan

1.4

—

OpenCL

2.1

1.1

CUDA

—

2.1

Shader Model

6.8

5.1

Physical

Slot Width

Triple-slot

IGP

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

PCIe 2.0 x16

Other

Launch Price

999 USD

—

Production

End-of-life

End-of-life

Predecessor

Navi

GeForce 400M

Successor

Navi III

GeForce 600M

View Radeon RX 6900 XT Details View GeForce GT 555M 2 GB Details