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 4080 SUPER

CORE STATE AD103

VRAM 16 GB

CLOCK SPEED 2550 MHz

TDP 320 W

BUS WIDTH 256 bit

ARCHITECTURE Ada Lovelace

nm

PROCESS 5 nm

LAUNCH DATE 2024

PERFORMANCE BENCHMARKS

geekbench_vulkan

4,867

226,163

3dmark_3dmark_steel_nomad_dx12

N/A

6,600

geekbench_opencl

N/A

246,994

passmark_directx_10

N/A

193

passmark_directx_11

N/A

301

passmark_directx_12

N/A

134

passmark_directx_9

N/A

381

passmark_g2d

N/A

1,270

passmark_g3d

N/A

34,245

passmark_gpu_compute

N/A

19,822

DETAILED SPECIFICATIONS

SPECIFICATION

R6 M255DX

RTX 4080 SUPER

Core Specs

Shading Units

320

10,240 +3100.0%

Shaders

320

10,240 +3100.0%

TMUs

20

320 +1500.0%

ROPs

8

112 +1300.0%

Compute Units

5

—

SM Count

—

80

Clocks

Base Clock

780 MHz

2295 MHz

Boost Clock

855 MHz

2550 MHz

Memory Clock

System Shared

1438 MHz 23 Gbps effective

Memory

Memory Size

System Shared

16 GB

VRAM (MB)

—

16,384

Memory Type

System Shared

GDDR6X

Memory Bus

System Shared

256 bit

Bandwidth

System Dependent

736.3 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

285.6 GPixel/s

Texture Rate

17.10 GTexel/s

816.0 GTexel/s

FP32 (TFLOPS)

547.2 GFLOPS

52.22 TFLOPS

FP64 (TFLOPS)

34.20 GFLOPS (1:16)

816.0 GFLOPS (1:64)

FP16 (TFLOPS)

—

52.22 TFLOPS (1:1)

AI/RT

RT Cores

—

80

Tensor Cores

—

320

Power

TDP

—

320 W

TDP (W)

—

320

Suggested PSU

—

700 W

Power Connectors

—

1x 16-pin

Architecture

Architecture

GCN 1.0

Ada Lovelace

GPU Name

Jet

AD103

Generation

Gem System Hybrid (Rx M200)

GeForce 40

Process Size

28 nm

5 nm

Transistors

690 million

45,900 million

Die Size

56 mm²

379 mm²

Foundry

TSMC

TSMC

Density

12.3M / mm²

121.1M / 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

—

8.9

Shader Model

6.5 (5.1)

6.8

Physical

Slot Width

IGP

Triple-slot

Length

—

310 mm 12.2 inches

Height

—

140 mm 5.5 inches

Outputs

Portable Device Dependent

1x HDMI 2.13x DisplayPort 1.4a

Bus Interface

IGP

PCIe 4.0 x16

Other

Launch Price

—

999 USD

Production

End-of-life

End-of-life

Predecessor

—

GeForce 30

Successor

—

GeForce 50

View Radeon R6 M255DX Details View GeForce RTX 4080 SUPER Details