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 7900 XTX

CORE STATE Navi 31

VRAM 24 GB

CLOCK SPEED 2498 MHz

TDP 355 W

BUS WIDTH 384 bit

ARCHITECTURE RDNA 3.0

nm

PROCESS 5 nm

LAUNCH DATE 2022

PERFORMANCE BENCHMARKS

geekbench_opencl

4,680

189,573

3dmark_3dmark_steel_nomad_dx12

N/A

6,841

geekbench_vulkan

N/A

192,597

passmark_directx_10

N/A

166

passmark_directx_11

N/A

356

passmark_directx_12

N/A

131

passmark_directx_9

N/A

330

passmark_g2d

N/A

1,267

passmark_g3d

N/A

31,238

passmark_gpu_compute

N/A

17,689

DETAILED SPECIFICATIONS

SPECIFICATION

R5 M255

RX 7900 XTX

Core Specs

Shading Units

384

6,144 +1500.0%

Shaders

384

6,144 +1500.0%

TMUs

24

384 +1500.0%

ROPs

8

192 +2300.0%

Compute Units

6

96 +1500.0%

Clocks

Base Clock

925 MHz

1929 MHz

Boost Clock

940 MHz

2498 MHz

Game Clock

—

2365 MHz

Shader Clock

—

2269 MHz

Memory Clock

1000 MHz 2 Gbps effective

2500 MHz 20 Gbps effective

Memory

Memory Size

2 GB

24 GB

VRAM (MB)

2,048

24,576 +1100.0%

Memory Type

DDR3

GDDR6

Memory Bus

128 bit

384 bit

Bandwidth

32.00 GB/s

960.0 GB/s

Cache

L1 Cache

16 KB (per CU)

256 KB per Array

L2 Cache

256 KB

6 MB

L3 Cache

—

96 MB

L0 Cache

—

64 KB per WGP

Performance

Pixel Rate

7.520 GPixel/s

479.6 GPixel/s

Texture Rate

22.56 GTexel/s

959.2 GTexel/s

FP32 (TFLOPS)

721.9 GFLOPS

61.39 TFLOPS

FP64 (TFLOPS)

45.12 GFLOPS (1:16)

1.918 TFLOPS (1:32)

FP16 (TFLOPS)

721.9 GFLOPS (1:1)

122.8 TFLOPS (2:1)

AI/RT

RT Cores

—

96

Matrix Cores

—

192

Power

TDP

—

355 W

TDP (W)

—

355

Suggested PSU

—

750 W

Power Connectors

—

2x 8-pin

Architecture

Architecture

GCN 3.0

RDNA 3.0

GPU Name

Topaz

Navi 31

Codename

—

Plum Bonito

Generation

Gem System (R5 M200)

Navi III (RX 7000)

Process Size

28 nm

5 nm

Transistors

1,550 million

57,700 million

Die Size

125 mm²

529 mm²

Foundry

TSMC

TSMC

Density

12.4M / mm²

109.1M / mm²

AMD MCM

GCD Transistors

—

45,400 million

GCD Die Size

—

304.35 mm²

MCD Transistors

—

2,050 million x6

API Support

DirectX

12 (12_0)

12 Ultimate (12_2)

OpenGL

4.6

4.6

Vulkan

1.2.170

1.4

OpenCL

2.1

2.2

Shader Model

6.5

6.8

Physical

Slot Width

—

Dual-slot

Length

—

287 mm 11.3 inches

Height

—

110 mm 4.3 inches

Outputs

—

1x HDMI 2.1a2x DisplayPort 2.11x USB Type-C

Bus Interface

PCIe 3.0 x8

PCIe 4.0 x16

Other

Launch Price

—

999 USD

Production

End-of-life

End-of-life

Predecessor

Solar System

Navi II

Successor

Polaris Mobile

Navi IV

View Radeon R5 M255 Details View Radeon RX 7900 XTX Details