NVIDIA GeForce GTX 980 vs AMD Radeon R9 255 OEM

VS

NVIDIA GeForce GTX 980 AMD Radeon R9 255 OEM

We compared two Desktop platform GPUs: 4GB VRAM GeForce GTX 980 and 2GB VRAM Radeon R9 255 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 980 's Advantages

Released 9 months late

Boost Clock has increased by 31% (1216MHz vs 930MHz)

More VRAM (4GB vs 2GB)

Larger VRAM bandwidth (224.4GB/s vs 73.60GB/s)

1536 additional rendering cores

AMD Radeon R9 255 OEM 's Advantages

Lower TDP (65W vs 165W)

Score

Benchmark

FP32 (float)

GeForce GTX 980 +423%

4.981 TFLOPS

Radeon R9 255 OEM

0.952 TFLOPS

GeForce GTX 980

VS

Radeon R9 255 OEM

Graphics Card

Sep 2014

Release Date

Dec 2013

GeForce 900

Generation

Volcanic Islands

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

1127 MHz

Base Clock

900 MHz

1216 MHz

Boost Clock

930 MHz

1753 MHz

Memory Clock

1150 MHz

Memory

4GB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

128bit

224.4GB/s

Bandwidth

73.60GB/s

Render Config

-

SM Count

-

Compute Units

8

2048

Shading Units

512

128

TMUs

32

64

ROPs

16

-

Tensor Cores

-

RT Cores

-

48 KB (per SMM)

L1 Cache

16 KB (per CU)

2 MB

L2 Cache

256 KB

Theoretical Performance

77.82 GPixel/s

Pixel Rate

14.88 GPixel/s

155.6 GTexel/s

Texture Rate

29.76 GTexel/s

-

FP16 (half)

-

4.981 TFLOPS

FP32 (float)

952.3 GFLOPS

155.6 GFLOPS

FP64 (double)

59.52 GFLOPS

Graphics Processor

GM204

GPU Name

Cape Verde

GM204-400-A1

GPU Variant

Cape Verde PRX

Maxwell 2.0

Architecture

GCN 1.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

5.2 billion

Transistors

1.5 billion

398 mm²

Die Size

123 mm²

Board Design

165W

TDP

65W

450 W

Suggested PSU

250 W

1x DVI 1x HDMI 2.0 3x DisplayPort 1.4a

Outputs

No outputs

2x 6-pin

Power Connectors

1x 6-pin

Graphics Features

12 (12_1)

DirectX

12 (11_1)

4.6

OpenGL

4.6

3.0

OpenCL

1.2

1.3

Vulkan

1.2

5.2

CUDA

-

6.4

Shader Model

5.1

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