GPU Comparison

A

AMD

RADEON

AMD Radeon R5 M255

CORE STATE Topaz

VRAM 2 GB

CLOCK SPEED 940 MHz

TDP —

BUS WIDTH 128 bit

ARCHITECTURE GCN 3.0

nm

PROCESS 28 nm

LAUNCH DATE 2014

VS

A

AMD

RADEON

Radeon RX 6750 XT

CORE STATE Navi 22

VRAM 12 GB

CLOCK SPEED 2600 MHz

TDP 250 W

BUS WIDTH 192 bit

ARCHITECTURE RDNA 2.0

nm

PROCESS 7 nm

LAUNCH DATE 2022

PERFORMANCE BENCHMARKS

geekbench_opencl

4,680

107,621

3dmark_3dmark_steel_nomad_dx12

N/A

2,548

geekbench_metal

N/A

137,249

geekbench_vulkan

N/A

109,310

passmark_directx_10

N/A

125

passmark_directx_11

N/A

180

passmark_directx_12

N/A

80

passmark_directx_9

N/A

263

passmark_g2d

N/A

972

passmark_g3d

N/A

20,700

passmark_gpu_compute

N/A

9,550

DETAILED SPECIFICATIONS

SPECIFICATION

R5 M255

RX 6750 XT

Core Specs

Shading Units

384

2,560 +566.7%

Shaders

384

2,560 +566.7%

TMUs

24

160 +566.7%

ROPs

8

64 +700.0%

Compute Units

6

40 +566.7%

Clocks

Base Clock

925 MHz

2150 MHz

Boost Clock

940 MHz

2600 MHz

Game Clock

—

2495 MHz

Memory Clock

1000 MHz 2 Gbps effective

2250 MHz 18 Gbps effective

Memory

Memory Size

2 GB

12 GB

VRAM (MB)

2,048

12,288 +500.0%

Memory Type

DDR3

GDDR6

Memory Bus

128 bit

192 bit

Bandwidth

32.00 GB/s

432.0 GB/s

Cache

L1 Cache

16 KB (per CU)

128 KB per Array

L2 Cache

256 KB

3 MB

L3 Cache

—

96 MB

L0 Cache

—

32 KB per WGP

Performance

Pixel Rate

7.520 GPixel/s

166.4 GPixel/s

Texture Rate

22.56 GTexel/s

416.0 GTexel/s

FP32 (TFLOPS)

721.9 GFLOPS

13.31 TFLOPS

FP64 (TFLOPS)

45.12 GFLOPS (1:16)

832.0 GFLOPS (1:16)

FP16 (TFLOPS)

721.9 GFLOPS (1:1)

26.62 TFLOPS (2:1)

AI/RT

RT Cores

—

40

Power

TDP

—

250 W

TDP (W)

—

250

Suggested PSU

—

600 W

Power Connectors

—

1x 6-pin + 1x 8-pin

Architecture

Architecture

GCN 3.0

RDNA 2.0

GPU Name

Topaz

Navi 22

Generation

Gem System (R5 M200)

Navi II (RX 6000)

Process Size

28 nm

7 nm

Transistors

1,550 million

17,200 million

Die Size

125 mm²

335 mm²

Foundry

TSMC

TSMC

Density

12.4M / mm²

51.3M / mm²

API Support

DirectX

12 (12_0)

12 Ultimate (12_2)

OpenGL

4.6

4.6

Vulkan

1.2.170

1.4

OpenCL

2.1

2.1

Shader Model

6.5

6.8

Physical

Slot Width

—

Dual-slot

Length

—

267 mm 10.5 inches

Height

—

110 mm 4.3 inches

Outputs

—

1x HDMI 2.13x DisplayPort 1.4a

Bus Interface

PCIe 3.0 x8

PCIe 4.0 x16

Other

Launch Price

—

549 USD

Production

End-of-life

End-of-life

Predecessor

Solar System

Navi

Successor

Polaris Mobile

Navi III

View Radeon R5 M255 Details View Radeon RX 6750 XT Details