GPU Comparison

A

AMD

RADEON

AMD Radeon R6 M255DX

CORE STATE Jet

VRAM System Shared

CLOCK SPEED 855 MHz

TDP —

BUS WIDTH System Shared

ARCHITECTURE GCN 1.0

nm

PROCESS 28 nm

LAUNCH DATE 2014

VS

A

AMD

RADEON

Radeon RX 9070

CORE STATE Navi 48

VRAM 16 GB

CLOCK SPEED 2520 MHz

TDP 220 W

BUS WIDTH 256 bit

ARCHITECTURE RDNA 4.0

nm

PROCESS 4 nm

LAUNCH DATE 2025

PERFORMANCE BENCHMARKS

geekbench_vulkan

4,867

165,532

3dmark_3dmark_steel_nomad_dx12

N/A

6,290

geekbench_opencl

N/A

133,741

passmark_directx_10

N/A

141

passmark_directx_11

N/A

281

passmark_directx_12

N/A

74

passmark_directx_9

N/A

343

passmark_g2d

N/A

1,280

passmark_g3d

N/A

25,381

passmark_gpu_compute

N/A

14,737

DETAILED SPECIFICATIONS

SPECIFICATION

R6 M255DX

RX 9070

Core Specs

Shading Units

320

3,584 +1020.0%

Shaders

320

3,584 +1020.0%

TMUs

20

224 +1020.0%

ROPs

8

128 +1500.0%

Compute Units

5

56 +1020.0%

Clocks

Base Clock

780 MHz

1330 MHz

Boost Clock

855 MHz

2520 MHz

Game Clock

—

2070 MHz

Memory Clock

System Shared

2518 MHz 20.1 Gbps effective

Memory

Memory Size

System Shared

16 GB

VRAM (MB)

—

16,384

Memory Type

System Shared

GDDR6

Memory Bus

System Shared

256 bit

Bandwidth

System Dependent

644.6 GB/s

Cache

L1 Cache

16 KB (per CU)

—

L2 Cache

128 KB

8 MB

L3 Cache

—

64 MB

L0 Cache

—

32 KB per WGP

Performance

Pixel Rate

6.840 GPixel/s

322.6 GPixel/s

Texture Rate

17.10 GTexel/s

564.5 GTexel/s

FP32 (TFLOPS)

547.2 GFLOPS

36.13 TFLOPS

FP64 (TFLOPS)

34.20 GFLOPS (1:16)

1,129.0 GFLOPS (1:32)

FP16 (TFLOPS)

—

72.25 TFLOPS (2:1)

AI/RT

RT Cores

—

56

Matrix Cores

—

112

Power

TDP

—

220 W

TDP (W)

—

220

Suggested PSU

—

550 W

Power Connectors

—

2x 8-pin

Architecture

Architecture

GCN 1.0

RDNA 4.0

GPU Name

Jet

Navi 48

Generation

Gem System Hybrid (Rx M200)

Navi IV (RX 9000)

Process Size

28 nm

4 nm

Transistors

690 million

53,900 million

Die Size

56 mm²

357 mm²

Foundry

TSMC

TSMC

Density

12.3M / mm²

151.0M / mm²

API Support

DirectX

12 (11_1)

12 Ultimate (12_2)

OpenGL

4.6

4.6

Vulkan

1.2.170

1.4

OpenCL

2.1 (1.2)

2.2

Shader Model

6.5 (5.1)

6.8

Physical

Slot Width

IGP

Dual-slot

Outputs

Portable Device Dependent

1x HDMI 2.1b3x DisplayPort 2.1a

Bus Interface

IGP

PCIe 5.0 x16

Other

Launch Price

—

549 USD

Production

End-of-life

Active

Predecessor

—

Navi III

View Radeon R6 M255DX Details View Radeon RX 9070 Details