AMD Radeon HD 8740 OEM vs AMD Radeon RX 7990 XTX

VS

AMD Radeon HD 8740 OEM

AMD Radeon RX 7990 XTX

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 8740 OEM and 24GB VRAM Radeon RX 7990 XTX to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 8740 OEM 's Advantages

Lower TDP (55W vs 405W)

AMD Radeon RX 7990 XTX 's Advantages

Boost Clock3599MHz

More VRAM (24GB vs 1024GB)

Larger VRAM bandwidth (1152GB/s vs 72.00GB/s)

5632 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 8740 OEM

0.819 TFLOPS

Radeon RX 7990 XTX +10699%

88.45 TFLOPS

Radeon HD 8740 OEM

VS

Radeon RX 7990 XTX

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

2500 MHz

-

Boost Clock

3599 MHz

1125 MHz

Memory Clock

3000 MHz

Memory

1024MB

Memory Size

24GB

GDDR5

Memory Type

GDDR6

128bit

Memory Bus

384bit

72.00GB/s

Bandwidth

1152GB/s

Render Config

8

Compute Units

96

-

512

Shading Units

6144

32

TMUs

384

16

ROPs

192

-

RT Cores

96

16 KB (per CU)

L1 Cache

256 KB per Array

256 KB

L2 Cache

6 MB

-

L3 Cache

192 MB

Theoretical Performance

12.80 GPixel/s

Pixel Rate

691.0 GPixel/s

25.60 GTexel/s

Texture Rate

1382 GTexel/s

-

FP16 (half)

176.9 TFLOPS

819.2 GFLOPS

FP32 (float)

88.45 TFLOPS

51.20 GFLOPS

FP64 (double)

2.764 TFLOPS

Board Design

55W

TDP

405W

250 W

Suggested PSU

800 W

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

Outputs

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

None

Power Connectors

3x 8-pin

Graphics Processor

Cape Verde

GPU Name

Navi 31

Cape Verde PRO

GPU Variant

Navi 31 XTX+

GCN 1.0

Architecture

RDNA 3.0

TSMC

Foundry

TSMC

28 nm

Process Size

5 nm

1.5 billion

Transistors

57.7 billion

123 mm²

Die Size

529 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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