AMD Radeon RX 7900 GRE vs NVIDIA GeForce GTX 490

VS

AMD Radeon RX 7900 GRE

NVIDIA GeForce GTX 490

We compared two Desktop platform GPUs: 16GB VRAM Radeon RX 7900 GRE and 1536MB VRAM GeForce GTX 490 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 7900 GRE 's Advantages

Boost Clock2245MHz

More VRAM (16GB vs 1536GB)

Larger VRAM bandwidth (576.0GB/s vs 164.0GB/s)

4640 additional rendering cores

Lower TDP (260W vs 365W)

Score

Benchmark

FP32 (float)

Radeon RX 7900 GRE +3843%

45.98 TFLOPS

GeForce GTX 490

1.166 TFLOPS

Radeon RX 7900 GRE

VS

GeForce GTX 490

Graphics Card

Jul 2023

Release Date

Unknown

Navi III

Generation

GeForce 400

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

1287 MHz

Base Clock

-

2245 MHz

Boost Clock

-

2250 MHz

Memory Clock

854 MHz

Memory

16GB

Memory Size

1536MB

GDDR6

Memory Type

GDDR5

256bit

Memory Bus

384bit

576.0GB/s

Bandwidth

164.0GB/s

Render Config

80

Compute Units

-

SM Count

15

5120

Shading Units

480

320

TMUs

60

160

ROPs

48

-

80

RT Cores

-

256 KB per Array

L1 Cache

64 KB (per SM)

6 MB

L2 Cache

768 KB

64 MB

L3 Cache

-

Theoretical Performance

359.2 GPixel/s

Pixel Rate

18.24 GPixel/s

718.4 GTexel/s

Texture Rate

36.48 GTexel/s

91.96 TFLOPS

FP16 (half)

-

45.98 TFLOPS

FP32 (float)

1166 GFLOPS

1437 GFLOPS

FP64 (double)

145.8 GFLOPS

Board Design

260W

TDP

365W

600 W

Suggested PSU

750 W

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

Outputs

3x DVI 1x mini-DisplayPort

2x 8-pin

Power Connectors

2x 8-pin

Graphics Processor

Navi 31

GPU Name

GF100

Navi 31 XL (215-145000206)

GPU Variant

GF100-375-A3

RDNA 3.0

Architecture

Fermi

TSMC

Foundry

TSMC

5 nm

Process Size

40 nm

57.7 billion

Transistors

3.1 billion

529 mm²

Die Size

529 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

12 (11_0)

4.6

OpenGL

4.6

2.2

OpenCL

1.1

1.3

Vulkan

N/A

-

CUDA

2.0

6.7

Shader Model

5.1

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