GPU Comparison

A

AMD

RADEON

AMD Radeon R5 M255

CORE STATE Topaz

VRAM 2 GB

CLOCK SPEED 940 MHz

TDP —

BUS WIDTH 128 bit

ARCHITECTURE GCN 3.0

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_opencl

4,680

28,528

3dmark_3dmark_steel_nomad_dx12

N/A

369

geekbench_metal

N/A

13,595

geekbench_vulkan

N/A

31,001

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

R5 M255

GTX 970

Core Specs

Shading Units

384

1,664 +333.3%

Shaders

384

1,664 +333.3%

TMUs

24

104 +333.3%

ROPs

8

56 +600.0%

Compute Units

6

—

Clocks

Base Clock

925 MHz

1050 MHz

Boost Clock

940 MHz

1178 MHz

Memory Clock

1000 MHz 2 Gbps effective

1753 MHz 7 Gbps effective

Memory

Memory Size

2 GB

4 GB

VRAM (MB)

2,048

4,096 +100.0%

Memory Type

DDR3

GDDR5

Memory Bus

128 bit

256 bit

Bandwidth

32.00 GB/s

224.4 GB/s

Cache

L1 Cache

16 KB (per CU)

48 KB (per SMM)

L2 Cache

256 KB

2 MB

Performance

Pixel Rate

7.520 GPixel/s

65.97 GPixel/s

Texture Rate

22.56 GTexel/s

122.5 GTexel/s

FP32 (TFLOPS)

721.9 GFLOPS

3.920 TFLOPS

FP64 (TFLOPS)

45.12 GFLOPS (1:16)

122.5 GFLOPS (1:32)

FP16 (TFLOPS)

721.9 GFLOPS (1:1)

—

Power

TDP

—

148 W

TDP (W)

—

148

Suggested PSU

—

300 W

Power Connectors

—

2x 6-pin

Architecture

Architecture

GCN 3.0

Maxwell 2.0

GPU Name

Topaz

GM204

Generation

Gem System (R5 M200)

GeForce 900

Process Size

28 nm

28 nm

Transistors

1,550 million

5,200 million

Die Size

125 mm²

398 mm²

Foundry

TSMC

TSMC

Density

12.4M / mm²

13.1M / mm²

API Support

DirectX

12 (12_0)

12 (12_1)

OpenGL

4.6

4.6

Vulkan

1.2.170

1.4

OpenCL

2.1

3.0

CUDA

—

5.2

Shader Model

6.5

6.8

Physical

Slot Width

—

Dual-slot

Length

—

267 mm 10.5 inches

Height

—

111 mm 4.4 inches

Outputs

—

1x DVI1x HDMI 2.03x DisplayPort 1.2

Bus Interface

PCIe 3.0 x8

PCIe 3.0 x16

Other

Launch Price

—

329 USD

Production

End-of-life

End-of-life

Predecessor

Solar System

GeForce 700

Successor

Polaris Mobile

GeForce 10

View Radeon R5 M255 Details View GeForce GTX 970 Details