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 GTX 970

CORE STATE GM204

VRAM 4 GB

CLOCK SPEED 1178 MHz

TDP 148 W

BUS WIDTH 256 bit

ARCHITECTURE Maxwell 2.0

nm

PROCESS 28 nm

LAUNCH DATE 2014

PERFORMANCE BENCHMARKS

geekbench_vulkan

4,867

31,001

3dmark_3dmark_steel_nomad_dx12

N/A

369

geekbench_metal

N/A

13,595

geekbench_opencl

N/A

28,528

passmark_directx_10

N/A

46

passmark_directx_11

N/A

71

passmark_directx_12

N/A

41

passmark_directx_9

N/A

143

passmark_g2d

N/A

764

passmark_g3d

N/A

9,638

passmark_gpu_compute

N/A

4,073

DETAILED SPECIFICATIONS

SPECIFICATION

R6 M255DX

GTX 970

Core Specs

Shading Units

320

1,664 +420.0%

Shaders

320

1,664 +420.0%

TMUs

20

104 +420.0%

ROPs

8

56 +600.0%

Compute Units

5

—

Clocks

Base Clock

780 MHz

1050 MHz

Boost Clock

855 MHz

1178 MHz

Memory Clock

System Shared

1753 MHz 7 Gbps effective

Memory

Memory Size

System Shared

4 GB

VRAM (MB)

—

4,096

Memory Type

System Shared

GDDR5

Memory Bus

System Shared

256 bit

Bandwidth

System Dependent

224.4 GB/s

Cache

L1 Cache

16 KB (per CU)

48 KB (per SMM)

L2 Cache

128 KB

2 MB

Performance

Pixel Rate

6.840 GPixel/s

65.97 GPixel/s

Texture Rate

17.10 GTexel/s

122.5 GTexel/s

FP32 (TFLOPS)

547.2 GFLOPS

3.920 TFLOPS

FP64 (TFLOPS)

34.20 GFLOPS (1:16)

122.5 GFLOPS (1:32)

Power

TDP

—

148 W

TDP (W)

—

148

Suggested PSU

—

300 W

Power Connectors

—

2x 6-pin

Architecture

Architecture

GCN 1.0

Maxwell 2.0

GPU Name

Jet

GM204

Generation

Gem System Hybrid (Rx M200)

GeForce 900

Process Size

28 nm

28 nm

Transistors

690 million

5,200 million

Die Size

56 mm²

398 mm²

Foundry

TSMC

TSMC

Density

12.3M / mm²

13.1M / mm²

API Support

DirectX

12 (11_1)

12 (12_1)

OpenGL

4.6

4.6

Vulkan

1.2.170

1.4

OpenCL

2.1 (1.2)

3.0

CUDA

—

5.2

Shader Model

6.5 (5.1)

6.8

Physical

Slot Width

IGP

Dual-slot

Length

—

267 mm 10.5 inches

Height

—

111 mm 4.4 inches

Outputs

Portable Device Dependent

1x DVI1x HDMI 2.03x DisplayPort 1.2

Bus Interface

IGP

PCIe 3.0 x16

Other

Launch Price

—

329 USD

Production

End-of-life

End-of-life

Predecessor

—

GeForce 700

Successor

—

GeForce 10

View Radeon R6 M255DX Details View GeForce GTX 970 Details