AMD Radeon RX 6800 vs AMD Radeon R7 250X

VS

We compared two Desktop platform GPUs: 16GB VRAM Radeon RX 6800 and 1024MB VRAM Radeon R7 250X to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 6800 's Advantages

Released 6 years and 8 months late

Boost Clock2105MHz

More VRAM (16GB vs 1GB)

Larger VRAM bandwidth (512.0GB/s vs 72.00GB/s)

3200 additional rendering cores

AMD Radeon R7 250X 's Advantages

Lower TDP (80W vs 250W)

Score

Benchmark

FP32 (float)

Radeon RX 6800 +1229%

16.17 TFLOPS

Radeon R7 250X

1.216 TFLOPS

Radeon RX 6800

VS

Radeon R7 250X

Graphics Card

Oct 2020

Release Date

Feb 2014

Navi II

Generation

Volcanic Islands

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

1700 MHz

Base Clock

-

2105 MHz

Boost Clock

-

2000 MHz

Memory Clock

1125 MHz

Memory

16GB

Memory Size

1024MB

GDDR6

Memory Type

GDDR5

256bit

Memory Bus

128bit

512.0GB/s

Bandwidth

72.00GB/s

Render Config

-

SM Count

-

60

Compute Units

10

3840

Shading Units

640

240

TMUs

40

96

ROPs

16

-

Tensor Cores

-

60

RT Cores

-

128 KB per Array

L1 Cache

16 KB (per CU)

4 MB

L2 Cache

256 KB

Theoretical Performance

202.1 GPixel/s

Pixel Rate

15.20 GPixel/s

505.2 GTexel/s

Texture Rate

38.00 GTexel/s

32.33 TFLOPS

FP16 (half)

-

16.17 TFLOPS

FP32 (float)

1216 GFLOPS

1010 GFLOPS

FP64 (double)

76.00 GFLOPS

Graphics Processor

Navi 21

GPU Name

Cape Verde

Navi 21 XL (215-121000187)

GPU Variant

Cape Verde XT

RDNA 2.0

Architecture

GCN 1.0

TSMC

Foundry

TSMC

7 nm

Process Size

28 nm

26.8 billion

Transistors

1.5 billion

520 mm²

Die Size

123 mm²

Board Design

250W

TDP

80W

600 W

Suggested PSU

250 W

1x HDMI 2.1 2x DisplayPort 1.4a 1x USB Type-C

Outputs

1x DVI 1x HDMI 1.4a 2x mini-DisplayPort 1.2

2x 8-pin

Power Connectors

1x 6-pin

Graphics Features

12 Ultimate (12_2)

DirectX

12 (11_1)

4.6

OpenGL

4.6

2.1

OpenCL

1.2

1.3

Vulkan

1.2

-

CUDA

-

6.5

Shader Model

5.1

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