AMD Radeon R7 265X OEM vs NVIDIA GeForce GTX 490

VS

AMD Radeon R7 265X OEM

NVIDIA GeForce GTX 490

We compared two Desktop platform GPUs: 2GB VRAM Radeon R7 265X OEM and 1536MB VRAM GeForce GTX 490 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R7 265X OEM 's Advantages

Boost Clock925MHz

More VRAM (2GB vs 1536GB)

Larger VRAM bandwidth (179.2GB/s vs 164.0GB/s)

800 additional rendering cores

Lower TDP (150W vs 365W)

Score

Benchmark

FP32 (float)

Radeon R7 265X OEM +103%

2.368 TFLOPS

GeForce GTX 490

1.166 TFLOPS

Radeon R7 265X OEM

VS

GeForce GTX 490

Graphics Card

Aug 2014

Release Date

Unknown

Volcanic Islands

Generation

GeForce 400

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

900 MHz

Base Clock

-

925 MHz

Boost Clock

-

1400 MHz

Memory Clock

854 MHz

Memory

2GB

Memory Size

1536MB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

384bit

179.2GB/s

Bandwidth

164.0GB/s

Render Config

20

Compute Units

-

SM Count

15

1280

Shading Units

480

80

TMUs

60

32

ROPs

48

-

16 KB (per CU)

L1 Cache

64 KB (per SM)

512 KB

L2 Cache

768 KB

-

Theoretical Performance

29.60 GPixel/s

Pixel Rate

18.24 GPixel/s

74.00 GTexel/s

Texture Rate

36.48 GTexel/s

-

2.368 TFLOPS

FP32 (float)

1166 GFLOPS

148.0 GFLOPS

FP64 (double)

145.8 GFLOPS

Board Design

150W

TDP

365W

450 W

Suggested PSU

750 W

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

Outputs

3x DVI 1x mini-DisplayPort

1x 6-pin

Power Connectors

2x 8-pin

Graphics Processor

Curacao

GPU Name

GF100

Curacao PRO (215-0848000)

GPU Variant

GF100-375-A3

GCN 1.0

Architecture

Fermi

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

2.8 billion

Transistors

3.1 billion

212 mm²

Die Size

529 mm²

Graphics Features

12 (11_1)

DirectX

12 (11_0)

4.6

OpenGL

4.6

1.2

OpenCL

1.1

1.2

Vulkan

N/A

-

CUDA

2.0

5.1

Shader Model

5.1

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