AMD Radeon HD 7790 vs NVIDIA GeForce GTX 275 PhysX Edition

VS

AMD Radeon HD 7790

NVIDIA GeForce GTX 275 PhysX Edition

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 7790 and 896MB VRAM GeForce GTX 275 PhysX Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7790 's Advantages

Released 3 years and 1 months late

More VRAM (1024GB vs 896GB)

656 additional rendering cores

Lower TDP (85W vs 219W)

NVIDIA GeForce GTX 275 PhysX Edition 's Advantages

Larger VRAM bandwidth (127.0GB/s vs 96.00GB/s)

Score

Benchmark

FP32 (float)

Radeon HD 7790 +188%

1.792 TFLOPS

GeForce GTX 275 PhysX Edition

0.622 TFLOPS

Radeon HD 7790

VS

GeForce GTX 275 PhysX Edition

Graphics Card

Mar 2013

Release Date

Feb 2010

Southern Islands

Generation

GeForce 200

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1500 MHz

Memory Clock

1134 MHz

Memory

1024MB

Memory Size

896MB

GDDR5

Memory Type

GDDR3

128bit

Memory Bus

448bit

96.00GB/s

Bandwidth

127.0GB/s

Render Config

14

Compute Units

-

SM Count

30

896

Shading Units

240

56

TMUs

80

16

ROPs

28

-

16 KB (per CU)

L1 Cache

-

256 KB

L2 Cache

224 KB

-

Theoretical Performance

16.00 GPixel/s

Pixel Rate

17.72 GPixel/s

56.00 GTexel/s

Texture Rate

50.64 GTexel/s

-

1.792 TFLOPS

FP32 (float)

622.1 GFLOPS

112.0 GFLOPS

FP64 (double)

77.76 GFLOPS

Board Design

85W

TDP

219W

250 W

Suggested PSU

550 W

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

Outputs

2x DVI

1x 6-pin

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Processor

Bonaire

GPU Name

G92B

Bonaire XT (215-0839039)

GPU Variant

G92-421-B1

GCN 2.0

Architecture

Tesla

TSMC

Foundry

TSMC

28 nm

Process Size

55 nm

2.08 billion

Transistors

0.754 billion

160 mm²

Die Size

260 mm²

Graphics Features

12 (12_0)

DirectX

11.1 (10_0)

4.6

OpenGL

3.3

2.0

OpenCL

1.1

1.2

Vulkan

N/A

-

CUDA

1.3

6.3

Shader Model

4.0

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