AMD Radeon R7 250X vs AMD Radeon RX 6800

VS

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

Main Differences

AMD Radeon R7 250X 's Advantages

Lower TDP (80W vs 250W)

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

Score

Benchmark

FP32 (float)

Radeon R7 250X

1.216 TFLOPS

Radeon RX 6800 +1229%

16.17 TFLOPS

Radeon R7 250X

VS

Radeon RX 6800

Graphics Card

Feb 2014

Release Date

Oct 2020

Volcanic Islands

Generation

Navi II

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

-

Base Clock

1700 MHz

-

Boost Clock

2105 MHz

1125 MHz

Memory Clock

2000 MHz

Memory

1024MB

Memory Size

16GB

GDDR5

Memory Type

GDDR6

128bit

Memory Bus

256bit

72.00GB/s

Bandwidth

512.0GB/s

Render Config

-

SM Count

-

10

Compute Units

60

640

Shading Units

3840

40

TMUs

240

16

ROPs

96

-

Tensor Cores

-

RT Cores

60

16 KB (per CU)

L1 Cache

128 KB per Array

256 KB

L2 Cache

4 MB

Theoretical Performance

15.20 GPixel/s

Pixel Rate

202.1 GPixel/s

38.00 GTexel/s

Texture Rate

505.2 GTexel/s

-

FP16 (half)

32.33 TFLOPS

1216 GFLOPS

FP32 (float)

16.17 TFLOPS

76.00 GFLOPS

FP64 (double)

1010 GFLOPS

Graphics Processor

Cape Verde

GPU Name

Navi 21

Cape Verde XT

GPU Variant

Navi 21 XL (215-121000187)

GCN 1.0

Architecture

RDNA 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

7 nm

1.5 billion

Transistors

26.8 billion

123 mm²

Die Size

520 mm²

Board Design

80W

TDP

250W

250 W

Suggested PSU

600 W

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

Outputs

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

1x 6-pin

Power Connectors

2x 8-pin

Graphics Features

12 (11_1)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

1.2

OpenCL

2.1

1.2

Vulkan

1.3

-

CUDA

-

5.1

Shader Model

6.5

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