ATI Radeon HD 5950 vs NVIDIA GeForce GTX 980

VS

ATI Radeon HD 5950

NVIDIA GeForce GTX 980

We compared two Desktop platform GPUs: 1024MB VRAM ATI Radeon HD 5950 and 4GB VRAM GeForce GTX 980 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 980 's Advantages

Boost Clock1216MHz

More VRAM (4GB vs 1024GB)

Larger VRAM bandwidth (224.4GB/s vs 128.0GB/s)

608 additional rendering cores

Lower TDP (165W vs 302W)

Score

Benchmark

FP32 (float)

ATI Radeon HD 5950

2.088 TFLOPS

GeForce GTX 980 +138%

4.981 TFLOPS

ATI Radeon HD 5950

VS

GeForce GTX 980

Graphics Card

Unknown

Release Date

Sep 2014

Evergreen

Generation

GeForce 900

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

1127 MHz

-

Boost Clock

1216 MHz

1000 MHz

Memory Clock

1753 MHz

Memory

1024MB

Memory Size

4GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

256bit

128.0GB/s

Bandwidth

224.4GB/s

Render Config

18

Compute Units

-

1440

Shading Units

2048

72

TMUs

128

32

ROPs

64

-

8 KB (per CU)

L1 Cache

48 KB (per SMM)

512 KB

L2 Cache

2 MB

-

Theoretical Performance

23.20 GPixel/s

Pixel Rate

77.82 GPixel/s

52.20 GTexel/s

Texture Rate

155.6 GTexel/s

-

2.088 TFLOPS

FP32 (float)

4.981 TFLOPS

-

FP64 (double)

155.6 GFLOPS

Board Design

302W

TDP

165W

700 W

Suggested PSU

450 W

2x DVI 1x HDMI 1.3a 1x DisplayPort 1.1

Outputs

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

1x 6-pin + 1x 8-pin

Power Connectors

2x 6-pin

Graphics Processor

Hemlock

GPU Name

GM204

Hemlock PRO

GPU Variant

GM204-400-A1

TeraScale 2

Architecture

Maxwell 2.0

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

2.154 billion

Transistors

5.2 billion

334 mm²

Die Size

398 mm²

Graphics Features

11.2 (11_0)

DirectX

12 (12_1)

4.4

OpenGL

4.6

1.2

OpenCL

3.0

N/A

Vulkan

1.3

-

CUDA

5.2

5.0

Shader Model

6.4

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