AMD Radeon HD 6790 vs NVIDIA GeForce GTX 650

VS

AMD Radeon HD 6790

NVIDIA GeForce GTX 650

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 6790 and 1024MB VRAM GeForce GTX 650 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6790 's Advantages

Larger VRAM bandwidth (134.4GB/s vs 80.00GB/s)

416 additional rendering cores

NVIDIA GeForce GTX 650 's Advantages

Released 1 years and 5 months late

Lower TDP (65W vs 150W)

Score

Benchmark

FP32 (float)

Radeon HD 6790 +65%

1.344 TFLOPS

GeForce GTX 650

0.812 TFLOPS

Radeon HD 6790

VS

GeForce GTX 650

Graphics Card

Apr 2011

Release Date

Sep 2012

Northern Islands

Generation

GeForce 600

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

1050 MHz

Memory Clock

1250 MHz

Memory

1024MB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

128bit

134.4GB/s

Bandwidth

80.00GB/s

Render Config

10

Compute Units

-

800

Shading Units

384

40

TMUs

32

16

ROPs

16

-

8 KB (per CU)

L1 Cache

16 KB (per SMX)

512 KB

L2 Cache

256 KB

-

Theoretical Performance

13.44 GPixel/s

Pixel Rate

8.464 GPixel/s

33.60 GTexel/s

Texture Rate

33.86 GTexel/s

-

1344 GFLOPS

FP32 (float)

812.5 GFLOPS

-

FP64 (double)

33.86 GFLOPS

Board Design

150W

TDP

65W

450 W

Suggested PSU

250 W

2x DVI 1x HDMI 1.3a 1x DisplayPort 1.1

Outputs

2x DVI 1x mini-HDMI 1.4a

2x 6-pin

Power Connectors

1x 6-pin

Graphics Processor

Barts

GPU Name

GK107

Barts LE (215-0798002)

GPU Variant

GK107-450-A2

TeraScale 2

Architecture

Kepler

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

1.7 billion

Transistors

1.27 billion

255 mm²

Die Size

118 mm²

Graphics Features

11.2 (11_0)

DirectX

12 (11_0)

4.4

OpenGL

4.6

1.2

OpenCL

3.0

N/A

Vulkan

1.1

-

CUDA

3.0

5.0

Shader Model

5.1

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