NVIDIA GeForce GTX 295 vs AMD Radeon R9 280X

VS

NVIDIA GeForce GTX 295

AMD Radeon R9 280X

We compared two Desktop platform GPUs: 896MB VRAM GeForce GTX 295 and 3GB VRAM Radeon R9 280X to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 280X 's Advantages

Released 4 years and 9 months late

Boost Clock1000MHz

More VRAM (3GB vs 896GB)

Larger VRAM bandwidth (288.0GB/s vs 111.9GB/s)

1808 additional rendering cores

Lower TDP (250W vs 289W)

Score

Benchmark

FP32 (float)

GeForce GTX 295

0.596 TFLOPS

Radeon R9 280X +587%

4.096 TFLOPS

GeForce GTX 295

VS

Radeon R9 280X

Graphics Card

Jan 2009

Release Date

Oct 2013

GeForce 200

Generation

Volcanic Islands

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

850 MHz

-

Boost Clock

1000 MHz

999 MHz

Memory Clock

1500 MHz

Memory

896MB

Memory Size

3GB

GDDR3

Memory Type

GDDR5

448bit

Memory Bus

384bit

111.9GB/s

Bandwidth

288.0GB/s

Render Config

-

Compute Units

32

30

SM Count

-

240

Shading Units

2048

80

TMUs

128

28

ROPs

32

-

L1 Cache

16 KB (per CU)

224 KB

L2 Cache

768 KB

-

Theoretical Performance

16.13 GPixel/s

Pixel Rate

32.00 GPixel/s

46.08 GTexel/s

Texture Rate

128.0 GTexel/s

-

596.2 GFLOPS

FP32 (float)

4.096 TFLOPS

74.52 GFLOPS

FP64 (double)

1024 GFLOPS

Board Design

289W

TDP

250W

600 W

Suggested PSU

600 W

2x DVI 1x HDMI

Outputs

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

1x 6-pin + 1x 8-pin

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Processor

GT200B

GPU Name

Tahiti

G200-401-B3

GPU Variant

Tahiti XTL (215-0821065)

Tesla 2.0

Architecture

GCN 1.0

TSMC

Foundry

TSMC

55 nm

Process Size

28 nm

1.4 billion

Transistors

4.313 billion

470 mm²

Die Size

352 mm²

Graphics Features

11.1 (10_0)

DirectX

12 (11_1)

3.3

OpenGL

4.6

1.1

OpenCL

1.2

N/A

Vulkan

1.2

1.3

CUDA

-

4.0

Shader Model

5.1

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