NVIDIA GeForce GTX 490 vs AMD Radeon R9 285

VS

NVIDIA GeForce GTX 490 AMD Radeon R9 285

We compared two Desktop platform GPUs: 1536MB VRAM GeForce GTX 490 and 2GB VRAM Radeon R9 285 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 285 's Advantages

More VRAM (2GB vs 1GB)

Larger VRAM bandwidth (176.0GB/s vs 164.0GB/s)

1312 additional rendering cores

Lower TDP (190W vs 365W)

Score

Benchmark

FP32 (float)

GeForce GTX 490

1.166 TFLOPS

Radeon R9 285 +182%

3.29 TFLOPS

GeForce GTX 490

VS

Radeon R9 285

Graphics Card

Unknown

Release Date

Sep 2014

GeForce 400

Generation

Volcanic Islands

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

-

Boost Clock

-

854 MHz

Memory Clock

1375 MHz

Memory

1536MB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

384bit

Memory Bus

256bit

164.0GB/s

Bandwidth

176.0GB/s

Render Config

15

SM Count

-

Compute Units

28

480

Shading Units

1792

60

TMUs

112

48

ROPs

32

-

Tensor Cores

-

RT Cores

-

64 KB (per SM)

L1 Cache

16 KB (per CU)

768 KB

L2 Cache

512 KB

Theoretical Performance

18.24 GPixel/s

Pixel Rate

29.38 GPixel/s

36.48 GTexel/s

Texture Rate

102.8 GTexel/s

-

FP16 (half)

3.290 TFLOPS

1166 GFLOPS

FP32 (float)

3.290 TFLOPS

145.8 GFLOPS

FP64 (double)

205.6 GFLOPS

Graphics Processor

GF100

GPU Name

Tonga

GF100-375-A3

GPU Variant

Tonga PRO (215-0851128)

Fermi

Architecture

GCN 3.0

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

3.1 billion

Transistors

5 billion

529 mm²

Die Size

366 mm²

Board Design

365W

TDP

190W

750 W

Suggested PSU

450 W

3x DVI 1x mini-DisplayPort

Outputs

2x DVI 1x HDMI 1.4a 1x DisplayPort 1.2

2x 8-pin

Power Connectors

2x 6-pin

Graphics Features

12 (11_0)

DirectX

12 (12_0)

4.6

OpenGL

4.6

1.1

OpenCL

2.1

N/A

Vulkan

1.2.170

2.0

CUDA

-

5.1

Shader Model

6.5

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