AMD Radeon RX 7950 XTX vs AMD Radeon HD 8990 OEM

VS

AMD Radeon RX 7950 XTX AMD Radeon HD 8990 OEM

We compared two Desktop platform GPUs: 24GB VRAM Radeon RX 7950 XTX and 3GB VRAM Radeon HD 8990 OEM 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 RX 7950 XTX +1879%

81.1 TFLOPS

Radeon HD 8990 OEM

4.096 TFLOPS

Radeon RX 7950 XTX

VS

Radeon HD 8990 OEM

Graphics Card

Unknown

Release Date

Apr 2013

Navi III

Generation

Sea Islands

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

2200 MHz

Base Clock

950 MHz

3300 MHz

Boost Clock

1000 MHz

2500 MHz

Memory Clock

1500 MHz

Memory

24GB

Memory Size

3GB

GDDR6

Memory Type

GDDR5

384bit

Memory Bus

384bit

960.0GB/s

Bandwidth

288.0GB/s

Render Config

-

SM Count

-

96

Compute Units

32

6144

Shading Units

2048

384

TMUs

128

192

ROPs

32

-

Tensor Cores

-

96

RT Cores

-

256 KB per Array

L1 Cache

16 KB (per CU)

6 MB

L2 Cache

768 KB

Theoretical Performance

633.6 GPixel/s

Pixel Rate

32.00 GPixel/s

1267 GTexel/s

Texture Rate

128.0 GTexel/s

162.2 TFLOPS

FP16 (half)

-

81.10 TFLOPS

FP32 (float)

4.096 TFLOPS

2.534 TFLOPS

FP64 (double)

1024 GFLOPS

Graphics Processor

Navi 31

GPU Name

Malta

Navi 31 XTX+

GPU Variant

Malta XT (215-0849026)

RDNA 3.0

Architecture

GCN 1.0

TSMC

Foundry

TSMC

5 nm

Process Size

28 nm

57.7 billion

Transistors

4.313 billion

529 mm²

Die Size

365 mm²

Board Design

355W

TDP

375W

750 W

Suggested PSU

750 W

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

Outputs

1x DVI 4x mini-DisplayPort 1.2

2x 8-pin

Power Connectors

2x 8-pin

Graphics Features

12 Ultimate (12_2)

DirectX

12 (11_1)

4.6

OpenGL

4.6

2.2

OpenCL

1.2

1.3

Vulkan

1.2

-

CUDA

-

6.7

Shader Model

5.1

Related GPU Comparisons

1

AMD Radeon RX 7900 XTX vs AMD Radeon RX 7950 XTX

2

ATI FirePro V7800P vs AMD Radeon RX 7950 XTX

3

AMD Radeon RX 7950 XTX vs NVIDIA GeForce RTX 4080 SUPER

4

AMD Radeon RX 7600 vs AMD Radeon RX 7950 XTX

5

NVIDIA GeForce RTX 4060 Ti 16 GB vs AMD Radeon RX 7950 XTX

6

NVIDIA GeForce GT 720 vs AMD Radeon RX 7950 XTX

7

NVIDIA GeForce RTX 4070 Ti SUPER vs AMD Radeon RX 7950 XTX

8

AMD Radeon RX 7950 XTX vs ATI Radeon HD 4710

9

AMD Radeon RX 7950 XTX vs NVIDIA GeForce GTX 660 OEM

10

AMD Radeon RX 7950 XTX vs NVIDIA GeForce GTX 660

Related News

1

AMD Ryzen 9000 Series Now Available for Pre-order in Europe: 9950X Priced at €660, Shipping by August 2

2

AMD's Latest Breakthrough Technology Could Change the Game in the Future

3

Researchers Utilize NVIDIA Omniverse Platform to Analyze and Improve 3D Stacked Chip Designs

4

TSMC to Receive Over 60 EUV Lithography Machines Over the Next Two Years, Investing More Than $12.3 Billion

5

Samsung's Own 3nm Yield is Disheartening: Galaxy S25 May Introduce MediaTek for the First Time

6

AMD Ryzen 9000 DDR5 Memory Frequency Soars: Reaches 8000MHz with All Four Slots Occupied

7

Snapdragon 8 Gen 4 to Feature Frame Interpolation for GPU: A Game-Changing Experience

8

Intel Adds 5 New Device IDs to Latest Linux Xe Kernel in Preparation for Battlemage

9

Ryzen AI 9 365 Benchmark Results Leaked: Significant Improvements in Multi-Core and IPC Performance Over Previous Generation

10

Concerns Raised by Unstable 13th/14th Gen Core CPUs: Motherboard Manufacturers Worry About Impact on Arrow Lake Release and Sales