AMD Radeon HD 8770 OEM vs AMD Radeon RX 7700

VS

AMD Radeon HD 8770 OEM

AMD Radeon RX 7700

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 8770 OEM and 12GB VRAM Radeon RX 7700 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 200W)

AMD Radeon RX 7700 's Advantages

Boost Clock2600MHz

More VRAM (12GB vs 1024GB)

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

2176 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 8770 OEM

1.882 TFLOPS

Radeon RX 7700 +1597%

31.95 TFLOPS

Radeon HD 8770 OEM

VS

Radeon RX 7700

Graphics Card

Sep 2013

Release Date

Unknown

Sea Islands

Generation

Navi III

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

-

Base Clock

1900 MHz

-

Boost Clock

2600 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

48

-

896

Shading Units

3072

56

TMUs

192

16

ROPs

96

-

RT Cores

48

16 KB (per CU)

L1 Cache

128 KB per Array

256 KB

L2 Cache

2 MB

-

L3 Cache

64 MB

Theoretical Performance

16.80 GPixel/s

Pixel Rate

249.6 GPixel/s

58.80 GTexel/s

Texture Rate

499.2 GTexel/s

-

FP16 (half)

63.90 TFLOPS

1.882 TFLOPS

FP32 (float)

31.95 TFLOPS

117.6 GFLOPS

FP64 (double)

998.4 GFLOPS

Board Design

85W

TDP

200W

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

1x 8-pin

Graphics Processor

Bonaire

GPU Name

Navi 32

Bonaire XT (215-0839039)

GPU Variant

Navi 32

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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