AMD Radeon HD 8990 OEM vs AMD Radeon RX 7950 XTX

VS

AMD Radeon HD 8990 OEM

AMD Radeon RX 7950 XTX

We compared two Desktop platform GPUs: 3GB VRAM Radeon HD 8990 OEM and 24GB VRAM Radeon RX 7950 XTX to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 7950 XTX 's Advantages

Boost Clock has increased by 230% (3300MHz vs 1000MHz)

More VRAM (24GB vs 3GB)

Larger VRAM bandwidth (960.0GB/s vs 288.0GB/s)

4096 additional rendering cores

Lower TDP (355W vs 375W)

Score

Benchmark

FP32 (float)

Radeon HD 8990 OEM

4.096 TFLOPS

Radeon RX 7950 XTX +1879%

81.1 TFLOPS

Radeon HD 8990 OEM

VS

Radeon RX 7950 XTX

Graphics Card

Apr 2013

Release Date

Unknown

Sea Islands

Generation

Navi III

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

950 MHz

Base Clock

2200 MHz

1000 MHz

Boost Clock

3300 MHz

1500 MHz

Memory Clock

2500 MHz

Memory

3GB

Memory Size

24GB

GDDR5

Memory Type

GDDR6

384bit

Memory Bus

384bit

288.0GB/s

Bandwidth

960.0GB/s

Render Config

32

Compute Units

96

-

2048

Shading Units

6144

128

TMUs

384

32

ROPs

192

-

RT Cores

96

16 KB (per CU)

L1 Cache

256 KB per Array

768 KB

L2 Cache

6 MB

-

L3 Cache

96 MB

Theoretical Performance

32.00 GPixel/s

Pixel Rate

633.6 GPixel/s

128.0 GTexel/s

Texture Rate

1267 GTexel/s

-

FP16 (half)

162.2 TFLOPS

4.096 TFLOPS

FP32 (float)

81.10 TFLOPS

1024 GFLOPS

FP64 (double)

2.534 TFLOPS

Board Design

375W

TDP

355W

750 W

Suggested PSU

750 W

1x DVI 4x mini-DisplayPort 1.2

Outputs

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

2x 8-pin

Power Connectors

2x 8-pin

Graphics Processor

Malta

GPU Name

Navi 31

Malta XT (215-0849026)

GPU Variant

Navi 31 XTX+

GCN 1.0

Architecture

RDNA 3.0

TSMC

Foundry

TSMC

28 nm

Process Size

5 nm

4.313 billion

Transistors

57.7 billion

365 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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