AMD Radeon HD 6390 vs NVIDIA GeForce GTX 750

VS

AMD Radeon HD 6390

NVIDIA GeForce GTX 750

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 6390 and 1024MB VRAM GeForce GTX 750 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6390 's Advantages

Lower TDP (39W vs 55W)

NVIDIA GeForce GTX 750 's Advantages

Released 2 years and 7 months late

Boost Clock1085MHz

Larger VRAM bandwidth (80.19GB/s vs 16.00GB/s)

192 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 6390

0.352 TFLOPS

GeForce GTX 750 +215%

1.111 TFLOPS

Radeon HD 6390

VS

GeForce GTX 750

Graphics Card

Jul 2011

Release Date

Feb 2014

Northern Islands

Generation

GeForce 700

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

1020 MHz

-

Boost Clock

1085 MHz

500 MHz

Memory Clock

1253 MHz

Memory

1024MB

Memory Size

1024MB

DDR2

Memory Type

GDDR5

128bit

Memory Bus

128bit

16.00GB/s

Bandwidth

80.19GB/s

Render Config

4

Compute Units

-

320

Shading Units

512

16

TMUs

32

8

ROPs

16

-

8 KB (per CU)

L1 Cache

64 KB (per SMM)

256 KB

L2 Cache

2 MB

-

Theoretical Performance

4.400 GPixel/s

Pixel Rate

17.36 GPixel/s

8.800 GTexel/s

Texture Rate

34.72 GTexel/s

-

352.0 GFLOPS

FP32 (float)

1111 GFLOPS

-

FP64 (double)

34.72 GFLOPS

Board Design

39W

TDP

55W

200 W

Suggested PSU

250 W

1x DVI 1x HDMI 1.3a 1x VGA

Outputs

2x DVI 1x mini-HDMI 2.0

None

Power Connectors

None

Graphics Processor

Redwood

GPU Name

GM107

Redwood LE

GPU Variant

GM107-300-A2

TeraScale 2

Architecture

Maxwell

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

0.627 billion

Transistors

1.87 billion

104 mm²

Die Size

148 mm²

Graphics Features

11.2 (11_0)

DirectX

12 (11_0)

4.4

OpenGL

4.6

1.2

OpenCL

3.0

N/A

Vulkan

1.3

-

CUDA

5.0

Shader Model

5.1

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