AMD Radeon HD 8770 OEM vs AMD Radeon RX 7700 XT

VS

AMD Radeon HD 8770 OEM

AMD Radeon RX 7700 XT

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 8770 OEM 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 8770 OEM 's Advantages

Lower TDP (85W vs 245W)

AMD Radeon RX 7700 XT 's Advantages

Released 9 years and 11 months late

Boost Clock2544MHz

More VRAM (12GB vs 1024GB)

Larger VRAM bandwidth (432.0GB/s vs 96.00GB/s)

2560 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 8770 OEM

1.882 TFLOPS

Radeon RX 7700 XT +1768%

35.17 TFLOPS

Radeon HD 8770 OEM

VS

Radeon RX 7700 XT

Graphics Card

Sep 2013

Release Date

Aug 2023

Sea 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

1500 MHz

Memory Clock

2250 MHz

Memory

1024MB

Memory Size

12GB

GDDR5

Memory Type

GDDR6

128bit

Memory Bus

192bit

96.00GB/s

Bandwidth

432.0GB/s

Render Config

14

Compute Units

54

-

896

Shading Units

3456

56

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

16.80 GPixel/s

Pixel Rate

244.2 GPixel/s

58.80 GTexel/s

Texture Rate

549.5 GTexel/s

-

FP16 (half)

70.34 TFLOPS

1.882 TFLOPS

FP32 (float)

35.17 TFLOPS

117.6 GFLOPS

FP64 (double)

1099 GFLOPS

Board Design

85W

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

Bonaire

GPU Name

Navi 32

Bonaire XT (215-0839039)

GPU Variant

Navi 32 XL (215-180000076)

GCN 2.0

Architecture

RDNA 3.0

TSMC

Foundry

TSMC

28 nm

Process Size

5 nm

2.08 billion

Transistors

28.1 billion

160 mm²

Die Size

346 mm²

Graphics Features

12 (12_0)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

2.0

OpenCL

2.2

1.2

Vulkan

1.3

-

6.3

Shader Model

6.7

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