AMD Radeon R9 370X vs AMD Radeon HD 7770 GHz Edition

VS

AMD Radeon R9 370X

AMD Radeon HD 7770 GHz Edition

We compared two Desktop platform GPUs: 2GB VRAM Radeon R9 370X 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 R9 370X 's Advantages

Released 3 years and 6 months late

Boost Clock1030MHz

More VRAM (2GB vs 1024GB)

Larger VRAM bandwidth (179.2GB/s vs 72.00GB/s)

640 additional rendering cores

AMD Radeon HD 7770 GHz Edition 's Advantages

Lower TDP (80W vs 180W)

Score

Benchmark

FP32 (float)

Radeon R9 370X +106%

2.637 TFLOPS

Radeon HD 7770 GHz Edition

1.28 TFLOPS

Radeon R9 370X

VS

Radeon HD 7770 GHz Edition

Graphics Card

Aug 2015

Release Date

Feb 2012

Pirate Islands

Generation

Southern Islands

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

980 MHz

Base Clock

-

1030 MHz

Boost Clock

-

1400 MHz

Memory Clock

1125 MHz

Memory

2GB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

128bit

179.2GB/s

Bandwidth

72.00GB/s

Render Config

24

Compute Units

10

-

1280

Shading Units

640

80

TMUs

40

32

ROPs

16

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

256 KB

-

Theoretical Performance

32.96 GPixel/s

Pixel Rate

16.00 GPixel/s

82.40 GTexel/s

Texture Rate

40.00 GTexel/s

-

2.637 TFLOPS

FP32 (float)

1280 GFLOPS

164.8 GFLOPS

FP64 (double)

80.00 GFLOPS

Board Design

180W

TDP

80W

450 W

Suggested PSU

250 W

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

Outputs

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

2x 6-pin

Power Connectors

1x 6-pin

Graphics Processor

Trinidad

GPU Name

Cape Verde

Trinidad XT

GPU Variant

Cape Verde XT

GCN 1.0

Architecture

GCN 1.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

2.8 billion

Transistors

1.5 billion

212 mm²

Die Size

123 mm²

Graphics Features

12 (11_1)

DirectX

12 (11_1)

4.6

OpenGL

4.6

1.2

OpenCL

1.2

Vulkan

1.2

-

5.1

Shader Model

5.1

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