AMD Radeon R7 450 OEM vs AMD Radeon HD 7770 GHz Edition

VS

AMD Radeon R7 450 OEM AMD Radeon HD 7770 GHz Edition

We compared two Desktop platform GPUs: 2GB VRAM Radeon R7 450 OEM and 1024MB VRAM Radeon HD 7770 GHz Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R7 450 OEM 's Advantages

Released 4 years and 4 months late

More VRAM (2GB vs 1GB)

Lower TDP (65W vs 80W)

AMD Radeon HD 7770 GHz Edition 's Advantages

128 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon R7 450 OEM

0.947 TFLOPS

Radeon HD 7770 GHz Edition +35%

1.28 TFLOPS

Radeon R7 450 OEM

VS

Radeon HD 7770 GHz Edition

Graphics Card

Jun 2016

Release Date

Feb 2012

Arctic Islands

Generation

Southern Islands

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

-

Boost Clock

-

1125 MHz

Memory Clock

1125 MHz

Memory

2GB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

128bit

72.00GB/s

Bandwidth

72.00GB/s

Render Config

-

SM Count

-

8

Compute Units

10

512

Shading Units

640

32

TMUs

40

16

ROPs

16

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

256 KB

Theoretical Performance

14.80 GPixel/s

Pixel Rate

16.00 GPixel/s

29.60 GTexel/s

Texture Rate

40.00 GTexel/s

-

FP16 (half)

-

947.2 GFLOPS

FP32 (float)

1280 GFLOPS

59.20 GFLOPS

FP64 (double)

80.00 GFLOPS

Graphics Processor

Cape Verde

GPU Name

Cape Verde

Cape Verde PRO2

GPU Variant

Cape Verde XT

GCN 1.0

Architecture

GCN 1.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

1.5 billion

Transistors

1.5 billion

123 mm²

Die Size

123 mm²

Board Design

65W

TDP

80W

250 W

Suggested PSU

250 W

1x DVI 1x HDMI 1.4a 1x DisplayPort 1.2

Outputs

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

None

Power Connectors

1x 6-pin

Graphics Features

12 (11_1)

DirectX

12 (11_1)

4.6

OpenGL

4.6

2.1 (1.2)

OpenCL

1.2

1.2.170

Vulkan

1.2

-

CUDA

-

6.5 (5.1)

Shader Model

5.1

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