AMD Radeon HD 7770 GHz Edition vs NVIDIA GeForce GT 740 OEM

VS

AMD Radeon HD 7770 GHz Edition

NVIDIA GeForce GT 740 OEM

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 7770 GHz Edition and 1024MB VRAM GeForce GT 740 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7770 GHz Edition 's Advantages

256 additional rendering cores

NVIDIA GeForce GT 740 OEM 's Advantages

Released 3 years and 2 months late

Larger VRAM bandwidth (80.19GB/s vs 72.00GB/s)

Lower TDP (65W vs 80W)

Score

Benchmark

FP32 (float)

Radeon HD 7770 GHz Edition +65%

1.28 TFLOPS

GeForce GT 740 OEM

0.773 TFLOPS

Radeon HD 7770 GHz Edition

VS

GeForce GT 740 OEM

Graphics Card

Feb 2012

Release Date

Apr 2015

Southern Islands

Generation

GeForce 700

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

1125 MHz

Memory Clock

1253 MHz

Memory

1024MB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

128bit

72.00GB/s

Bandwidth

80.19GB/s

Render Config

10

Compute Units

-

640

Shading Units

384

40

TMUs

32

16

ROPs

16

-

16 KB (per CU)

L1 Cache

16 KB (per SMX)

256 KB

L2 Cache

256 KB

-

Theoretical Performance

16.00 GPixel/s

Pixel Rate

8.048 GPixel/s

40.00 GTexel/s

Texture Rate

32.19 GTexel/s

-

1280 GFLOPS

FP32 (float)

772.6 GFLOPS

80.00 GFLOPS

FP64 (double)

32.19 GFLOPS

Board Design

80W

TDP

65W

250 W

Suggested PSU

250 W

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

Outputs

No outputs

1x 6-pin

Power Connectors

None

Graphics Processor

Cape Verde

GPU Name

GK106

Cape Verde XT

GPU Variant

-

GCN 1.0

Architecture

Kepler

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

1.5 billion

Transistors

2.54 billion

123 mm²

Die Size

221 mm²

Graphics Features

12 (11_1)

DirectX

12 (11_0)

4.6

OpenGL

4.6

1.2

OpenCL

3.0

1.2

Vulkan

1.1

-

CUDA

3.0

5.1

Shader Model

5.1

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