AMD Radeon RX 7950 XT vs AMD Radeon HD 8490 OEM

VS

AMD Radeon RX 7950 XT

AMD Radeon HD 8490 OEM

We compared two Desktop platform GPUs: 20GB VRAM Radeon RX 7950 XT and 1024MB VRAM Radeon HD 8490 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 7950 XT 's Advantages

Boost Clock3000MHz

More VRAM (20GB vs 1024GB)

Larger VRAM bandwidth (800.0GB/s vs 14.40GB/s)

5216 additional rendering cores

AMD Radeon HD 8490 OEM 's Advantages

Lower TDP (35W vs 300W)

Score

Benchmark

FP32 (float)

Radeon RX 7950 XT +22939%

64.51 TFLOPS

Radeon HD 8490 OEM

0.28 TFLOPS

Radeon RX 7950 XT

VS

Radeon HD 8490 OEM

Graphics Card

Unknown

Release Date

Jul 2013

Navi III

Generation

Sea Islands

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

2000 MHz

Base Clock

-

3000 MHz

Boost Clock

-

2500 MHz

Memory Clock

900 MHz

Memory

20GB

Memory Size

1024MB

GDDR6

Memory Type

DDR3

320bit

Memory Bus

64bit

800.0GB/s

Bandwidth

14.40GB/s

Render Config

84

Compute Units

2

-

5376

Shading Units

160

336

TMUs

8

192

ROPs

4

-

84

RT Cores

-

256 KB per Array

L1 Cache

8 KB (per CU)

6 MB

L2 Cache

128 KB

80 MB

L3 Cache

-

Theoretical Performance

576.0 GPixel/s

Pixel Rate

3.500 GPixel/s

1008 GTexel/s

Texture Rate

7.000 GTexel/s

129.0 TFLOPS

FP16 (half)

-

64.51 TFLOPS

FP32 (float)

280.0 GFLOPS

2.016 TFLOPS

FP64 (double)

-

Board Design

300W

TDP

35W

700 W

Suggested PSU

200 W

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

Outputs

1x DVI 1x DisplayPort 1.1

2x 8-pin

Power Connectors

None

Graphics Processor

Navi 31

GPU Name

Caicos

Navi 31 XT+

GPU Variant

Caicos XTX

RDNA 3.0

Architecture

TeraScale 2

TSMC

Foundry

TSMC

5 nm

Process Size

40 nm

57.7 billion

Transistors

0.37 billion

529 mm²

Die Size

67 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

2.2

OpenCL

1.2

1.3

Vulkan

N/A

-

6.7

Shader Model

5.0

Related GPU Comparisons

1

AMD Radeon RX 7950 XT vs AMD Radeon Pro SSG

2

AMD Radeon RX 7950 XT vs NVIDIA GeForce 9600 GS OEM

3

AMD Radeon RX 7950 XT vs NVIDIA GeForce RTX 2070

4

AMD Radeon RX 7950 XT vs AMD Radeon RX 6950 XT

5

AMD Radeon RX 7950 XT vs NVIDIA GeForce GTX 480

6

AMD Radeon RX 7950 XT vs AMD Radeon RX 5500 XT

7

AMD Radeon RX 7950 XT vs AMD Radeon R9 285

8

AMD Radeon RX 7950 XT vs ATI FirePro V8700 Duo

9

AMD Radeon RX 7950 XT vs NVIDIA GeForce GT 630 OEM

10

AMD Radeon RX 7950 XT vs AMD Radeon RX 7990 XTX

Related News

1

AMD Unveils New RX 9070 XT Graphics Card Performance: Positioned Between RX 7900 GRE and RX 7900 XT

2

Double the Excitement! AMD FSR 4.0 to Launch Alongside RX 9070 XT Graphics Card

3

CPU-Z Minor Update: Support for Intel's Four New Products and New Memory

4

CXMT Reportedly Achieves 80% Yield in DDR5 Production

5

Intel Wildcat Lake Appears on Shipping List with FCBGA1516 Socket, Poised to Replace Alder Lake-N

6

The Commencement of ARM and Qualcomm Licensing Dispute Trial: Potential Major Impact on PC Market

7

NVIDIA Allegedly Equips RTX 5080 with 30Gbps Memory Speed, Other Models to Feature 28Gbps

8

Intel Reports High Return Rates for Devices Featuring Snapdragon X Series; Qualcomm Counters with 'Industry Standard' Claim

9

Intel Confirms Panther Lake Adopts 18A Process, ES0 Samples Already Sent to Customers

10

Complete Lineup of Core Ultra 200HX/H/U and Core 200H/U Revealed: 31 Models to Dazzle the Eyes