AMD Radeon HD 7770 GHz Edition vs AMD Radeon RX 7700 XT

VS

AMD Radeon HD 7770 GHz Edition

AMD Radeon RX 7700 XT

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 7770 GHz Edition and 12GB VRAM Radeon RX 7700 XT 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

Lower TDP (80W vs 245W)

AMD Radeon RX 7700 XT 's Advantages

Released 11 years and 6 months late

Boost Clock2544MHz

More VRAM (12GB vs 1024GB)

Larger VRAM bandwidth (432.0GB/s vs 72.00GB/s)

2816 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 7770 GHz Edition

1.28 TFLOPS

Radeon RX 7700 XT +2647%

35.17 TFLOPS

Radeon HD 7770 GHz Edition

VS

Radeon RX 7700 XT

Graphics Card

Feb 2012

Release Date

Aug 2023

Southern Islands

Generation

Navi III

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

-

Base Clock

1435 MHz

-

Boost Clock

2544 MHz

1125 MHz

Memory Clock

2250 MHz

Memory

1024MB

Memory Size

12GB

GDDR5

Memory Type

GDDR6

128bit

Memory Bus

192bit

72.00GB/s

Bandwidth

432.0GB/s

Render Config

10

Compute Units

54

-

640

Shading Units

3456

40

TMUs

216

16

ROPs

96

-

RT Cores

54

16 KB (per CU)

L1 Cache

128 KB per Array

256 KB

L2 Cache

2 MB

-

L3 Cache

48 MB

Theoretical Performance

16.00 GPixel/s

Pixel Rate

244.2 GPixel/s

40.00 GTexel/s

Texture Rate

549.5 GTexel/s

-

FP16 (half)

70.34 TFLOPS

1280 GFLOPS

FP32 (float)

35.17 TFLOPS

80.00 GFLOPS

FP64 (double)

1099 GFLOPS

Board Design

80W

TDP

245W

250 W

Suggested PSU

550 W

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

Outputs

1x HDMI 2.1a 2x DisplayPort 2.1 1x USB Type-C

1x 6-pin

Power Connectors

2x 8-pin

Graphics Processor

Cape Verde

GPU Name

Navi 32

Cape Verde XT

GPU Variant

Navi 32 XL (215-180000076)

GCN 1.0

Architecture

RDNA 3.0

TSMC

Foundry

TSMC

28 nm

Process Size

5 nm

1.5 billion

Transistors

28.1 billion

123 mm²

Die Size

346 mm²

Graphics Features

12 (11_1)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

1.2

OpenCL

2.2

1.2

Vulkan

1.3

-

5.1

Shader Model

6.7

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