AMD Radeon HD 7790 vs NVIDIA GeForce GT 635 OEM

VS

AMD Radeon HD 7790

NVIDIA GeForce GT 635 OEM

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 7790 and 1024MB VRAM GeForce GT 635 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7790 's Advantages

Larger VRAM bandwidth (96.00GB/s vs 14.40GB/s)

512 additional rendering cores

NVIDIA GeForce GT 635 OEM 's Advantages

Released 7 months late

Lower TDP (35W vs 85W)

Score

Benchmark

FP32 (float)

Radeon HD 7790 +141%

1.792 TFLOPS

GeForce GT 635 OEM

0.743 TFLOPS

Radeon HD 7790

VS

GeForce GT 635 OEM

Graphics Card

Mar 2013

Release Date

Oct 2013

Southern Islands

Generation

GeForce 600

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

-

1500 MHz

Memory Clock

900 MHz

Memory

1024MB

Memory Size

1024MB

GDDR5

Memory Type

DDR3

128bit

Memory Bus

64bit

96.00GB/s

Bandwidth

14.40GB/s

Render Config

14

Compute Units

-

896

Shading Units

384

56

TMUs

32

16

ROPs

8

-

16 KB (per CU)

L1 Cache

16 KB (per SMX)

256 KB

L2 Cache

512 KB

-

Theoretical Performance

16.00 GPixel/s

Pixel Rate

7.736 GPixel/s

56.00 GTexel/s

Texture Rate

30.94 GTexel/s

-

1.792 TFLOPS

FP32 (float)

742.7 GFLOPS

112.0 GFLOPS

FP64 (double)

30.94 GFLOPS

Board Design

85W

TDP

35W

250 W

Suggested PSU

200 W

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

Outputs

1x DVI 1x HDMI 1.4a 1x VGA

1x 6-pin

Power Connectors

None

Graphics Processor

Bonaire

GPU Name

GK208

Bonaire XT (215-0839039)

GPU Variant

-

GCN 2.0

Architecture

Kepler 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

2.08 billion

Transistors

1.02 billion

160 mm²

Die Size

87 mm²

Graphics Features

12 (12_0)

DirectX

12 (11_0)

4.6

OpenGL

4.6

2.0

OpenCL

3.0

1.2

Vulkan

1.1

-

CUDA

3.5

6.3

Shader Model

5.1

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