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 5080

CORE STATE GB203

VRAM 16 GB

CLOCK SPEED 2617 MHz

TDP 360 W

BUS WIDTH 256 bit

ARCHITECTURE Blackwell 2.0

nm

PROCESS 5 nm

LAUNCH DATE 2025

PERFORMANCE BENCHMARKS

geekbench_vulkan

4,867

257,942

3dmark_3dmark_steel_nomad_dx12

N/A

8,637

geekbench_opencl

N/A

264,461

passmark_directx_10

N/A

208

passmark_directx_11

N/A

324

passmark_directx_12

N/A

151

passmark_directx_9

N/A

389

passmark_g2d

N/A

1,415

passmark_g3d

N/A

36,565

passmark_gpu_compute

N/A

21,789

DETAILED SPECIFICATIONS

SPECIFICATION

R6 M255DX

RTX 5080

Core Specs

Shading Units

320

10,752 +3260.0%

Shaders

320

10,752 +3260.0%

TMUs

20

336 +1580.0%

ROPs

8

112 +1300.0%

Compute Units

5

—

SM Count

—

84

Clocks

Base Clock

780 MHz

2295 MHz

Boost Clock

855 MHz

2617 MHz

Memory Clock

System Shared

1875 MHz 30 Gbps effective

Memory

Memory Size

System Shared

16 GB

VRAM (MB)

—

16,384

Memory Type

System Shared

GDDR7

Memory Bus

System Shared

256 bit

Bandwidth

System Dependent

960.0 GB/s

Cache

L1 Cache

16 KB (per CU)

128 KB (per SM)

L2 Cache

128 KB

64 MB

Performance

Pixel Rate

6.840 GPixel/s

293.1 GPixel/s

Texture Rate

17.10 GTexel/s

879.3 GTexel/s

FP32 (TFLOPS)

547.2 GFLOPS

56.28 TFLOPS

FP64 (TFLOPS)

34.20 GFLOPS (1:16)

879.3 GFLOPS (1:64)

FP16 (TFLOPS)

—

56.28 TFLOPS (1:1)

AI/RT

RT Cores

—

84

Tensor Cores

—

336

Power

TDP

—

360 W

TDP (W)

—

360

Suggested PSU

—

750 W

Power Connectors

—

1x 16-pin

Architecture

Architecture

GCN 1.0

Blackwell 2.0

GPU Name

Jet

GB203

Generation

Gem System Hybrid (Rx M200)

GeForce 50

Process Size

28 nm

5 nm

Transistors

690 million

45,600 million

Die Size

56 mm²

378 mm²

Foundry

TSMC

TSMC

Density

12.3M / mm²

120.6M / 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

—

304 mm 12 inches

Height

—

137 mm 5.4 inches

Outputs

Portable Device Dependent

1x HDMI 2.1b3x DisplayPort 2.1b

Bus Interface

IGP

PCIe 5.0 x16

Other

Launch Price

—

999 USD

Production

End-of-life

Active

Predecessor

—

GeForce 40

View Radeon R6 M255DX Details View GeForce RTX 5080 Details