AMD Radeon RX 6400 vs ATI FirePro V7900 SDI

VS

AMD Radeon RX 6400 ATI FirePro V7900 SDI

We compared two Desktop platform GPUs: 4GB VRAM Radeon RX 6400 and 2GB VRAM FirePro V7900 SDI to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 6400 's Advantages

Released 10 years and 8 months late

Boost Clock2321MHz

More VRAM (4GB vs 2GB)

Lower TDP (53W vs 150W)

ATI FirePro V7900 SDI 's Advantages

Larger VRAM bandwidth (160.0GB/s vs 128.0GB/s)

512 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon RX 6400 +92%

3.565 TFLOPS

FirePro V7900 SDI

1.856 TFLOPS

Radeon RX 6400

VS

FirePro V7900 SDI

Graphics Card

Jan 2022

Release Date

May 2011

Navi II

Generation

FirePro

Desktop

Type

Desktop

PCIe 4.0 x4

Bus Interface

PCIe 2.0 x16

Clock Speeds

1923 MHz

Base Clock

-

2321 MHz

Boost Clock

-

2000 MHz

Memory Clock

1250 MHz

Memory

4GB

Memory Size

2GB

GDDR6

Memory Type

GDDR5

64bit

Memory Bus

256bit

128.0GB/s

Bandwidth

160.0GB/s

Render Config

-

SM Count

-

12

Compute Units

20

768

Shading Units

1280

48

TMUs

80

32

ROPs

32

-

Tensor Cores

-

12

RT Cores

-

128 KB per Array

L1 Cache

8 KB (per CU)

1024 KB

L2 Cache

512 KB

Theoretical Performance

74.27 GPixel/s

Pixel Rate

23.20 GPixel/s

111.4 GTexel/s

Texture Rate

58.00 GTexel/s

7.130 TFLOPS

FP16 (half)

-

3.565 TFLOPS

FP32 (float)

1.856 TFLOPS

222.8 GFLOPS

FP64 (double)

464.0 GFLOPS

Graphics Processor

Navi 24

GPU Name

Cayman

Navi 24 XL (215-135000046)

GPU Variant

Cayman PRO GL

RDNA 2.0

Architecture

TeraScale 3

TSMC

Foundry

TSMC

6 nm

Process Size

40 nm

5.4 billion

Transistors

2.64 billion

107 mm²

Die Size

389 mm²

Board Design

53W

TDP

150W

250 W

Suggested PSU

450 W

1x HDMI 2.1 1x DisplayPort 1.4a

Outputs

4x SDI

None

Power Connectors

1x 6-pin

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

-

CUDA

-

6.6

Shader Model

5.0

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