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

NVIDIA

GEFORCE

GeForce RTX 5070

CORE STATE GB205

VRAM 12 GB

CLOCK SPEED 2512 MHz

TDP 250 W

BUS WIDTH 192 bit

ARCHITECTURE Blackwell 2.0

nm

PROCESS 5 nm

LAUNCH DATE 2025

PERFORMANCE BENCHMARKS

geekbench_vulkan

4,867

179,413

3dmark_3dmark_steel_nomad_dx12

N/A

5,077

geekbench_opencl

N/A

185,269

passmark_directx_10

N/A

180

passmark_directx_11

N/A

277

passmark_directx_12

N/A

108

passmark_directx_9

N/A

320

passmark_g2d

N/A

1,305

passmark_g3d

N/A

29,137

passmark_gpu_compute

N/A

15,787

DETAILED SPECIFICATIONS

SPECIFICATION

R6 M255DX

RTX 5070

Core Specs

Shading Units

320

6,144 +1820.0%

Shaders

320

6,144 +1820.0%

TMUs

20

192 +860.0%

ROPs

8

80 +900.0%

Compute Units

5

—

SM Count

—

48

Clocks

Base Clock

780 MHz

2325 MHz

Boost Clock

855 MHz

2512 MHz

Memory Clock

System Shared

1750 MHz 28 Gbps effective

Memory

Memory Size

System Shared

12 GB

VRAM (MB)

—

12,288

Memory Type

System Shared

GDDR7

Memory Bus

System Shared

192 bit

Bandwidth

System Dependent

672.0 GB/s

Cache

L1 Cache

16 KB (per CU)

128 KB (per SM)

L2 Cache

128 KB

48 MB

Performance

Pixel Rate

6.840 GPixel/s

201.0 GPixel/s

Texture Rate

17.10 GTexel/s

482.3 GTexel/s

FP32 (TFLOPS)

547.2 GFLOPS

30.87 TFLOPS

FP64 (TFLOPS)

34.20 GFLOPS (1:16)

482.3 GFLOPS (1:64)

FP16 (TFLOPS)

—

30.87 TFLOPS (1:1)

AI/RT

RT Cores

—

48

Tensor Cores

—

192

Power

TDP

—

250 W

TDP (W)

—

250

Suggested PSU

—

600 W

Power Connectors

—

1x 16-pin

Architecture

Architecture

GCN 1.0

Blackwell 2.0

GPU Name

Jet

GB205

Generation

Gem System Hybrid (Rx M200)

GeForce 50

Process Size

28 nm

5 nm

Transistors

690 million

31,100 million

Die Size

56 mm²

263 mm²

Foundry

TSMC

TSMC

Density

12.3M / mm²

118.3M / 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)

3.0

CUDA

—

12.0

Shader Model

6.5 (5.1)

6.8

Physical

Slot Width

IGP

Dual-slot

Length

—

245 mm 9.6 inches

Height

—

115 mm 4.5 inches

Outputs

Portable Device Dependent

1x HDMI 2.1b3x DisplayPort 2.1b

Bus Interface

IGP

PCIe 5.0 x16

Other

Launch Price

—

549 USD

Production

End-of-life

Active

Predecessor

—

GeForce 40

View Radeon R6 M255DX Details View GeForce RTX 5070 Details