AMD Radeon HD 6990 vs AMD Radeon RX 7600

VS

AMD Radeon HD 6990

AMD Radeon RX 7600

We compared two Desktop platform GPUs: 2GB VRAM Radeon HD 6990 and 8GB VRAM Radeon RX 7600 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 7600 's Advantages

Released 12 years and 2 months late

Boost Clock2655MHz

More VRAM (8GB vs 2GB)

Larger VRAM bandwidth (288.0GB/s vs 160.0GB/s)

512 additional rendering cores

Lower TDP (165W vs 375W)

Score

Benchmark

FP32 (float)

Radeon HD 6990

2.55 TFLOPS

Radeon RX 7600 +752%

21.75 TFLOPS

Radeon HD 6990

VS

Radeon RX 7600

Graphics Card

Mar 2011

Release Date

May 2023

Northern Islands

Generation

Navi III

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 4.0 x8

Clock Speeds

-

Base Clock

1720 MHz

-

Boost Clock

2655 MHz

1250 MHz

Memory Clock

2250 MHz

Memory

2GB

Memory Size

8GB

GDDR5

Memory Type

GDDR6

256bit

Memory Bus

128bit

160.0GB/s

Bandwidth

288.0GB/s

Render Config

24

Compute Units

32

-

1536

Shading Units

2048

96

TMUs

128

32

ROPs

64

-

RT Cores

32

8 KB (per CU)

L1 Cache

128 KB per Array

512 KB

L2 Cache

2 MB

-

L3 Cache

32 MB

Theoretical Performance

26.56 GPixel/s

Pixel Rate

169.9 GPixel/s

79.68 GTexel/s

Texture Rate

339.8 GTexel/s

-

FP16 (half)

43.50 TFLOPS

2.550 TFLOPS

FP32 (float)

21.75 TFLOPS

637.4 GFLOPS

FP64 (double)

679.7 GFLOPS

Board Design

375W

TDP

165W

750 W

Suggested PSU

450 W

1x DVI 4x mini-DisplayPort 1.2

Outputs

1x HDMI 2.1a 3x DisplayPort 2.1

2x 8-pin

Power Connectors

1x 8-pin

Graphics Processor

Antilles

GPU Name

Navi 33

Antilles XT (215-0807027)

GPU Variant

Navi 33 XL

TeraScale 3

Architecture

RDNA 3.0

TSMC

Foundry

TSMC

40 nm

Process Size

6 nm

2.64 billion

Transistors

13.3 billion

389 mm²

Die Size

204 mm²

Graphics Features

11.2 (11_0)

DirectX

12 Ultimate (12_2)

4.4

OpenGL

4.6

1.2

OpenCL

2.2

N/A

Vulkan

1.3

-

5.0

Shader Model

6.7

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